Patent application number | Description | Published |
20140273772 | CHEMICAL MECHANICAL POLISHING CONDITIONER AND MANUFACTURING METHODS THEREOF - The present invention relates to a chemical mechanical polishing conditioner and manufacturing methods thereof. The chemical mechanical polishing conditioner comprises: a planar substrate having a leveling surface; a bonding layer disposed on the surface of the planar substrate; and a plurality of abrasive particles embedded in the surface of the bonding layer and fixed to the surface of the planar substrate by the binding layer; wherein the planar substrate is formed by a deformation compensation for the non-planar substrate during curing the binding layer, and thus the tips of the abrasive particles have a leveled height. Therefore, the present invention can effectively improve the problem of thermal deformation of the substrate of the chemical mechanical polishing conditioner during heating and curing process, and thereby enhancing the surface flatness of chemical mechanical polishing conditioner. | 09-18-2014 |
20140335624 | DETECTION METHOD AND APPARATUS FOR THE TIP OF A CHEMICAL MECHANICAL POLISHING CONDITIONER - The present invention relates to a detection method and apparatus for the tip of the chemical mechanical polishing conditioner, which comprises: providing a dyeing apparatus comprising a dyeing layer; providing a chemical mechanical polishing conditioner comprising a substrate, a binding layer, and a plurality of abrasive particles, the abrasive particles fixed on the substrate by the binding layer; making the abrasive particles of the chemical mechanical polishing conditioner toward the dyeing apparatus and provide a downward force, so that the chemical mechanical polishing conditioner is contacted with the dyeing layer; and separating the chemical mechanical polishing conditioner and the dyeing apparatus, so that the abrasive particles with a particular protruding height form dyeing abrasive particles adhered the dyeing layer on their surface, and the dyeing abrasive particles are determined as a defect of destroying the flatness of chemical mechanical polishing conditioner. | 11-13-2014 |
20150041372 | Diamond Screening Apparatus - The present invention relates to a diamond screening apparatus, comprising: a working platform comprising a working plane; a conveyer disposed on the working plane of the working platform for carrying a diamond matrix unit; an image capture device forming one or a plurality of captured images in different regions of the diamond matrix unit; a display device; and an image recognition module, which is electrically connected to the image capture device and the display device, performs a geometric feature parameter analysis on the captured images to determine one or a plurality of risk diamonds of the diamond matrix unit. | 02-12-2015 |
20150050871 | Chemical Mechanical Polishing Conditioner Made From Woven Preform - The present invention relates to a chemical mechanical polishing conditioner made from a woven preform, comprising: a substrate; a bonding layer disposed on the substrate; and a plurality of abrasive particles embedded in the bonding layer and fixed on the substrate by the bonding layer; wherein the bonding layer is formed by heat-curing a woven preform, and the abrasive particles are fixed to the woven preform in advance. Therefore, the present invention can provide the bonding layer with a better flexibility by the woven preform, and solve the conventional problem of resin residue in a powder-form bonding layer, or thermal cracking or thermal deformation of a sheet-form bonding layer during the heating and curing process, and thus improve the polishing performance and service time of the chemical mechanical polishing conditioner. | 02-19-2015 |
20150231759 | CHEMICAL MECHANICAL POLISHING CONDITIONER WITH HIGH PERFORMANCE - The present invention relates to a chemical mechanical polishing conditioner with high performance, comprising a substrate; a binding layer disposed on the substrate; and a plurality of abrasive particles fixed directly on the substrate by the binding layer, or each abrasive particle disposed on a metal fixing seat and the substrate have a plurality of blind holes and a plurality of through holes, so that the metal fixing seats are installed into the blind holes or the through holes, and the metal fixing seat fixed on the substrate by the binding layer; wherein the abrasive particles are treated by a surface processing treatment to make the abrasive particles have specific cutting edge angles, crystal structures, tip heights, or tip orientations. Therefore, the present invention can control the profile of each abrasive particle to accomplish the best polishing performance. | 08-20-2015 |
20150283671 | CHEMICAL MECHANICAL POLISHING CONDITIONER - The present invention relates to a chemical mechanical polishing conditioner, comprising: a substrate; a binding layer disposed on the substrate; and multiple abrasive units placed on the binding layer; wherein each abrasive unit has an abrasive unit substrate and an abrasive layer which is a diamond film formed by chemical vapor deposition and has multiple abrasive tips; wherein the abrasive units have uniform heights, such that the abrasive units form a planarized surface. Therefore, the present invention can improve planarization of the conditioner, enhance efficiency, and prolong lifetime. | 10-08-2015 |
20150283672 | CHEMICAL MECHANICAL POLISHING CONDITIONER HAVING DIFFERENT HEIGHTS - The present invention relates to a chemical mechanical polishing conditioner having different heights, comprising: a substrate; a binding layer disposed on the substrate; and multiple abrasive units placed on the binding layer. Each abrasive unit has an abrasive unit substrate and an abrasive layer which is a diamond film formed by chemical vapor deposition and has multiple abrasive tips. The abrasive units have a first tip height and a second tip height. The first tip height is different from the second tip height. The chemical mechanical polishing conditioner can adjust the surface roughness of the pad to be polished and improve the drainage of abrasive slurry. | 10-08-2015 |
20150290768 | CHEMICAL MECHANICAL POLISHING CONDITIONER CAPABLE OF CONTROLLING POLISHING DEPTH - Provided is a chemical mechanical polishing conditioner capable of controlling a polishing depth. The CMP conditioner capable of controlling the polishing depth comprises a substrate; a binding layer disposed on the substrate; multiple abrasive units placed on the binding layer; and multiple abrasive terminal units placed on the binding layer. Each abrasive unit has an abrasive unit substrate and an abrasive layer, and the abrasive layer is a diamond film formed by chemical vapor deposition and has multiple abrasive tips. The abrasive tips of the abrasive units are relatively higher than surfaces of the abrasive terminal units to form a protrusion height. Accordingly, the CMP conditioner controls the polishing depth of an article to be conditioned. | 10-15-2015 |
20150367480 | CHEMICAL MECHANICAL POLISHING CONDITIONER - Provided is a CMP conditioner comprising: a substrate comprising multiple concave parts, the concave parts formed in a surface of the substrate and each concave part having a side wall; multiple fixed plates, each fixed plate comprising a bottom, a top, a concavity and an inclined plane, the bottom fixed into the concave part, the top integrated with the bottom with a contact surface formed between the top and the bottom, the concavity formed in the top and opposite the bottom, the inclined plane formed between the contact surface and the concavity, an angle and a space formed between the inclined plane and the side wall; and multiple abrasive units, each abrasive unit mounted in the concavity. When the CMP conditioner is applied to a pad, the thickness of the pad can recover to its original thickness; i.e., the cutting depth is increased to improve the dressing performance. | 12-24-2015 |
Patent application number | Description | Published |
20130250828 | Method and Apparatus of Allocating Scheduling Request Resources In Mobile Communication Networks - Various schemes are provided to improve SR resource utilization by adapting SR resource allocation to traffic pattern. In a first Scheme, SR resource allocation is configured more accurately. In one example, UE provides assistant information for eNB to determine or adjust SR configuration based on the received assistant information. In a second Scheme, multiple SR periods are configured and adapted to traffic pattern. In one example, eNB configures a set of SR resources with multiple SR periods, and UE applies different SR periods based on predefined events. Unused SR resources could be recycled by eNB for PUSCH data transmission. In a third Scheme, multiple SR allocations are configured and adapted to concerned applications. In one example, eNB configures multiple sets of SR resources adapted to predefined applications, and UE applies SR configurations based on corresponding applications. The additional SR configurations could be activated and/or deactivated. | 09-26-2013 |
20130294307 | User Equipment Enhancement for Diverse Data Application - Methods for UE enhancements for diverse data application are disclosed. In one embodiment of the invention, the UE applies a discontinuous reception (DRX) or discontinuous transmission (DTX) operation in a wireless network. The UE detects one or more predefined traffic conditions. Based on the detected traffic conditions, the UE either stays in the long DRX state longer or extends the short DRX cycle timer. In other embodiments of the invention, the UE configures an idle mode trigger condition. The UE detects one or more predefined traffic condition. Based on the detected traffic conditions, the UE may restart the inactivity timer. In other embodiments of the invention, the UE detects one or more predefined traffic conditions. The UE adaptively adjusts RLF triggering parameters based on the detected traffic conditions. | 11-07-2013 |
20140044029 | UE Preference Indication and Assistance Information in Mobile Communication Networks - A method and apparatus for UE to report preference indication and other UE assistance information to the network is proposed. In a first embodiment, the UE transmits a power preference indication to the network with a prohibition mechanism for optimal DRX configuration. A first level of prohibition is applied if the UE indicates preferring power-saving mode, and a second level of prohibition is applied if the UE indicates preferring normal mode. In a second embodiment, the UE transmits two-level speed information to the network. The two-level speed information is mapped from MSE mobility states based on a mapping rule. In a third example, the UE transmits RRC release assistance information to the network. The assistance information is based on both cell change count and RRC state transition count so that RRC inactivity time can be determined to reduce signaling overhead. | 02-13-2014 |
20140146779 | Methods for Carrier Aggregation - Methods to manage multiple component carriers (CCs) efficiently in a mobile network with carrier aggregation (CA) enabled are proposed. For CC activation/deactivation, a single LCID value is used to represent both activation and deactivation command. A single command with multiple instructions is provided to activate and/or deactivate multiple CCs. In addition, unnecessary re-activation or re-inactivation of a CC is prevented, and explicit feedback for activation/deactivation is considered. For scheduling mechanism, a novel buffer status reporting (BSR) procedure is provided, where only one BSR is calculated after preparing all the transport blocks (TB) within one transmission time interval (TTI). Novel power headroom reporting (PHR) format and trigger are also provided. For DL-UL linking, various linking types are created based on whether there is carrier indicator field (CIF) in DL grant or UL grant. The various linking types are used in different applications to improve scheduling flexibility and load balancing. | 05-29-2014 |
20140204898 | Fast Device Discovery for Device to Device Communication - A fast device discovery protocol with a high success rate for device-to-device (D2D) communication in LTE-A networks is proposed. With the proposed protocol, device discovery is done by monitoring a randomly transmitted beacon from other devices within a pre-defined period. In one embodiment, an eNB receives scheduling requests from D2D UEs and in response allocates a distributed uplink resource for random access of beacon transmission by the D2D UEs. The distributed resource is dynamically allocated based on the number of requesting D2D UEs, a discovery period, and a target discovery probability to minimize the required resource. | 07-24-2014 |
20140219129 | Method of Correlating QoS and Power Information - Methods of MDT information logging and reporting are provided. In one embodiment, a method is provided to resolve shortcomings of prior art by correlating UL measurements with QoS information to enable UL performance analysis and accurate detection of coverage problems. In another embodiment, a method is provided to resolve the shortcomings of the prior art by making DL measurements and location information collecting or logging conditional on UL measurements. | 08-07-2014 |
20140219130 | Method of Correlating Measurement Result - Methods of MDT information logging and reporting are provided. In one embodiment, a method is provided to resolve shortcomings of prior art by correlating UL measurements with QoS information to enable UL performance analysis and accurate detection of coverage problems. In another embodiment, a method is provided to resolve the shortcomings of the prior art by making DL measurements and location information collecting or logging conditional on UL measurements. | 08-07-2014 |
20140220974 | Low Overhead Mobility in Local Area Wireless Network - In a heterogeneous network, enhanced handover and reestablishment procedures are proposed within a local area network. The enhanced procedures are more efficient, e.g., with less signaling and less data interruption than the legacy mobility mechanism. In a local area network, a UE is served by an anchor eNB in macro cell layer and one or more drift eNBs in small cell layer. When the UE moves within the local area network, the UE anchor does not need to change. For cell change within the same anchor, the enhanced procedures reduces signaling overhead and data interruption time. | 08-07-2014 |
20140286222 | Group Communication over LTE eMBMS - A method of supporting group communication over LTE MBMS is provided. A UE first establishes a unicast Evolved Packet Service (EPS) bearer in an LTE network for group communication. The UE belongs to a communication group having a communication group ID. The UE receives access information from the network for monitoring downlink (DL) multicast traffic of the DL group communication based on a multicast decision. The UE is then ready for monitoring a multicast Multimedia Broadcast Multicast Service (MBMS) bearer for receiving the DL multicast traffic. The multicast MBMS bearer is associated with a Temporary Mobile Group Identifier (TMGI), and wherein the TMGI is associated with the communication group ID. In one embodiment, the access information comprises mapping information between the TMGI and the communication group ID. | 09-25-2014 |
20140286223 | Idle Mode Reception for Group Communication over LTE eMBMS - A method of supporting group communication over LTE MBMS is provided. A UE first establishes a unicast Evolved Packet Service (EPS) bearer in an LTE network for group communication. The UE belongs to a communication group having a communication group ID. The UE receives access information from the network for monitoring downlink (DL) multicast traffic of the DL group communication based on a multicast decision. The UE is then ready for monitoring a multicast Multimedia Broadcast Multicast Service (MBMS) bearer for receiving the DL multicast traffic. The multicast MBMS bearer is associated with a Temporary Mobile Group Identifier (TMGI), and wherein the TMGI is associated with the communication group ID. The UE later enters RRC_IDLE mode and releases a radio bearer of the unicast EPS bearer while keep monitoring the multicast MBMS bearer for the DL multicast traffic. | 09-25-2014 |
20140286224 | Service Continuity for Group Communication Over LTE eMBMS - A method of supporting group communication over LTE MBMS is provided. A UE first establishes a unicast Evolved Packet Service (EPS) bearer in an LTE network for group communication. The UE belongs to a communication group having a communication group ID. The UE receives access information from the network for monitoring downlink (DL) multicast traffic of the DL group communication based on a multicast decision. The UE is then ready for monitoring a multicast Multimedia Broadcast Multicast Service (MBMS) bearer for receiving the DL multicast traffic. In one embodiment, The UE requests to switch the DL multicast traffic from the multicast MBMS bearer to the unicast EPS bearer upon detecting that the UE is approaching an MBMS coverage boundary. In another embodiment, the UE transmits an indication of preferred target cells to the network before performing a handover and thereby maintaining multicast service continuity of the group communication. | 09-25-2014 |
20140286225 | Radio Resource Efficient Transmission for Group Communication over LTE eMBMS - A method of supporting group communication over LTE MBMS is provided. A UE first establishes a unicast Evolved Packet Service (EPS) bearer in an LTE network for group communication. The UE belongs to a communication group having a communication group ID. The UE receives access information from the network for monitoring downlink (DL) multicast traffic of the DL group communication based on a multicast decision. The UE is then ready for monitoring a multicast Multimedia Broadcast Multicast Service (MBMS) bearer for receiving the DL multicast traffic. The multicast MBMS bearer is associated with a Temporary Mobile Group Identifier (TMGI), and wherein the TMGI is associated with the communication group ID. The UE de-multiplexes DL traffic received either from the multicast MBMS bearer or from the unicast EPS bearer into a single group communication application. | 09-25-2014 |
20140334366 | Long Paging Cycle and Paging Enhancement for Power Saving LTE Devices - An enhanced paging mechanism is provided for UEs waking up from a very long paging cycle to improve paging robustness and flexibility. Enhanced paging includes absolute time paging (ATP) and paging with extended wakeup time. For absolute time paging, a UE receives ATP configuration and uses the actual wall time to calculate paging occasion if a condition is satisfied. In one embodiment, the wall time is acquired from at least one of an internal UE clock, a GPS time, information broadcasted from the network, or information from a higher layer signaling. For paging with extended wakeup time, a UE applies a long paging cycle followed by multiple normal paging cycles after waking up from the long paging cycle. In one embodiment, the long paging cycle is infinite and the UE enters normal paging cycle only upon TAU-triggered paging or uplink traffic. | 11-13-2014 |
20140335867 | Cell Reselection Enhancement for Power Saving LTE Devices - A method of cell reselection enhancement is proposed. A UE obtains parameters for extended cell reselection (ECR) in a mobile communication network. The UE goes to sleep and then wakes up periodically to monitor a paging channel. The UE either applies a normal paging cycle having a normal paging cycle length or applies a power-saving paging cycle having a very long paging cycle length. The UE performs cell selection if normal paging cycle is applied. The UE performs cell reselection based on the ECR parameters if the power-saving paging cycle is applied, and if the ECR parameters are still valid based on a list of conditions. In one novel aspect, the network provides the ECR parameters for a wider area for the UE such that the UE can still use cell reselection after waking up from a very long sleep to reduce power consumption. | 11-13-2014 |
20150215839 | Dynamic Offload Selection in Mobile Communication Systems - A method of offload selection for a UE to select between 3GPP RAT and WLAN cell is provided. The UE receives configuration information that applies to selecting WLAN or 3GPP radio access technology (RAT). The UE determines if the UE may perform WLAN offload by evaluating 3GPP radio access network (RAN) conditions where at least one RAN condition is related to a radio signal strength or a radio signal quality in 3GPP RAT. The UE then determines if there is at least one suitable WLAN cell by evaluating WLAN conditions. The UE also determines if there is candidate traffic for WLAN offload. Finally, the UE steers the determined traffic to WLAN if the UE may perform WLAN offload and if there is at least one suitable WLAN cell. Otherwise, the UE steers the determined traffic to 3GPP RAT. | 07-30-2015 |
20150215945 | Buffer Status Report and Logical Channel Prioritization for Dual Connectivity - Apparatus and methods are provided to enhance BSR and LCP procedures for the dual connectivity system. In one novel aspect, the BSR is handled for each MAC entity according to one or more allocation rules. In one embodiment, the allocation rule is configured by the network. In another embodiment, the allocation rule is determined by the UE based on historic statics. In yet another embodiment, the allocation rule is determined by the UE based on information from the network. In one embodiment, the allocation rule indicates percentage of traffic allocated to each MAC entity. In another novel aspect, LCP is performed independently for each MAC entity if the split bearer is configured and the prioritized bit rate (PBR) and the bucket size duration (BSD) are signaled for each eNB. In one embodiment, separate sets of LCG variables are maintained independently for each MAC entity. | 07-30-2015 |
20150257088 | Smart Congestion Control for RRC Idle Mode in LTE Systems - A UE initiates an MMTEL service in RRC Idle mode in a mobile communication network. The UE acquires access control information from a base station. The access control information comprises SSAC configuration information, ACB parameters information, and ACB bypass information. The ACB bypass information indicates whether ACB is applicable to MMTEL service type. The UE then performs SSAC check for the MMTEL service based on the access control information. The UE also performs ACB check for the MMTEL service if ACB is applicable to the MMTEL service. Otherwise, the UE bypasses the ACB check for the MMTEL service. The selective ACB mechanism can prioritize or deprioritize services based on operator's requirement. | 09-10-2015 |
20150257161 | Smart Congestion Control for RRC Connected Mode in LTE Systems - A UE establishes an RRC connection with a base station for an application in a mobile communication network. The UE acquires a barring indication that indicates whether scheduling request (SR) barring is applicable for the application. The UE then acquires prioritized barring parameters for SR barring if applicable. The prioritized barring parameters is associated with a priority of the application. Finally, the UE determines whether to send a scheduling request for an arrived packet based on the prioritized barring parameters. In one embodiment, the application is associated with a quality of service (QoS) class indicator (QCI), and the priority of the application is based on the QCI. The prioritized SR barring mechanism based on QCI can be applied for RRC Connected mode with finer granularity. | 09-10-2015 |
20150282213 | DATA TRANSMISSION METHOD - This invention proposes efficient data transmission methods in the mobile cellular network. A specific resource pool is divided into several resource groups to indicate the size level of the data available for transmission. The base station allocates a proper UL grant to the terminal. Based on the allocated UL grant, the terminal compares the granted Transport Block (TB) size with the size of data available for transmission. If the UL grant is large enough, the terminal transmits the data available for transmission in the allocated UL resource, otherwise, re-attempts the random access procedure. In another example, the terminal transmits a BSR message and as much of the data as is available for transmission. The base station may grant additional UL resources if there is remaining data to be transmitted. A timer is used for the terminal to decide whether waiting for the additional UL grant from the base station. | 10-01-2015 |
20150327116 | Enhanced Mechanism of Uplink Time Alignment Maintenance for Inter-ENB Carrier Aggregation - Apparatus and method are provided to enhance buffer status report (BSR) to multiple schedulers with inter base station carrier aggregation. In one novel aspect, the UE calculates a buffer size value, detects a BSR trigger event, selects one or more base stations (BSs) to send the BSR reports and generates the BSR reports for the selected one or more BSs. In one embodiment, one BS is selected based on predefined criteria. In other embodiments, multiple base stations are selected. In one embodiment, the same contents for BSR are generated. In another embodiment, different BSR reports are generated for different base stations from which the UE receives UL grants. In one novel aspect, the UE calculates a buffer size value and determines if a budget BSR triggering criteria is satisfied. The UE triggers budget BSR procedure by sending a budget BSR report to a selected base station based on predefined thresholds. | 11-12-2015 |
20150373678 | Method and Apparatus of Allocating Scheduling Request Resources in Mobile Communication Networks - Various schemes are provided to improve SR resource utilization by adapting SR resource allocation to traffic pattern. In a first Scheme, SR resource allocation is configured more accurately. In one example, UE provides assistant information for eNB to determine or adjust SR configuration based on the received assistant information. In a second Scheme, multiple SR periods are configured and adapted to traffic pattern. In one example, eNB configures a set of SR resources with multiple SR periods, and UE applies different SR periods based on predefined events. Unused SR resources could be recycled by eNB for PUSCH data transmission. In a third Scheme, multiple SR allocations are configured and adapted to concerned applications. In one example, eNB configures multiple sets of SR resources adapted to predefined applications, and UE applies SR configurations based on corresponding applications. The additional SR configurations could be activated and/or deactivated. | 12-24-2015 |
Patent application number | Description | Published |
20080253675 | IMAGE PROCESSING METHOD AND RELATED PARTIAL PSF ESTIMATION METHOD THEREOF - An image processing method includes (a) performing edge detection to an image to obtain a plurality of the edge pixels of the image; (b) performing partial PSF estimation to each of the edge pixels to generate a plurality of partial PSF estimation results; and (c) generating a PSF estimation result according to the partial PSF estimation results. | 10-16-2008 |
20110243080 | Methods of contention-based transmission - A method for contention-based (CB) uplink transmission in a wireless communication network is provided. A base station (eNB) first transmits CB configuration information and CB grant to a user equipment (UE). The UE derives a plurality of transmission opportunities from the uplink CB grant and in response transmits uplink CB data via one of the transmission opportunities. The UE then receives an acknowledgment from the serving base station. If the uplink CB data is non-decodable by the eNB due to multiple contention UEs, then the UE retransmits the uplink data in response to a negative acknowledgment. In one novel aspect, the uplink transmission radio resource carriers both the uplink CB data and UE-selected signature information. In one embodiment, the UE-selected signature information is transmitted via pilot tones. By eliminating a separate phase of contention resolution, the overall latency of CB transmission is reduced and transmission efficiency is improved. | 10-06-2011 |
20110243106 | Methods for carrier agggregation - Methods to manage multiple component carriers (CCs) efficiently in a mobile network with carrier aggregation (CA) enabled are proposed. For CC activation/deactivation, a single LCID value is used to represent both activation and deactivation command. A single command with multiple instructions is provided to activate and/or deactivate multiple CCs. In addition, unnecessary re-activation or re-inactivation of a CC is prevented, and explicit feedback for activation/deactivation is considered. For scheduling mechanism, a novel buffer status reporting (BSR) procedure is provided, where only one BSR is calculated after preparing all the transport blocks (TB) within one transmission time interval (TTI). Novel power headroom reporting (PHR) format and trigger are also provided. For DL-UL linking, various linking types are created based on whether there is carrier indicator field (CIF) in DL grant or UL grant. The various linking types are used in different applications to improve scheduling flexibility and load balancing. | 10-06-2011 |
20110305183 | Methods to support MBMS service continuity and counting and localized MBMS service - Network-assisted solutions are provided to maintain MBMS service continuity, to provide efficient localized MBMS service, and to achieve intelligent MBMS service management. In a first embodiment, a source eNB acquires MBMS information of neighbor cells and acquires MBMS reception/interest status information of a UE. Based on the acquired information, the source eNB makes handover decision for the UE to handover to a selected target cell and maintain MBMS service continuity. In a second embodiment, location information of a localized MBMS service is provided to a UE. Based on the location information, the UE is able to receive the localized MBMS service with minimum power consumption. In a third embodiment, an MBMS counting procedure is provided for an eNB to count the number of UEs that are receiving or are interested in MBMS service(s). Based on the counting result, the MBMS service(s) can be enabled or disabled accordingly. | 12-15-2011 |
20110305184 | Methods to support continuous MBMS reception without network assistance - In an LTE/LTE-A system, a UE subscribes to an MBMS service in a source cell. In one embodiment, the UE with ongoing MBMS service handovers to a target cell. The UE obtains MBMS information of the target cell before or after the handover. The UE then determines MBMS service continuity in the target cell based on the obtained MBMS information. In another embodiment, the UE with ongoing MBMS service reselects a new cell. The UE makes cell reselection decision based on obtained MBMS information of its neighbor cells. If the subscribed MBMS service is discontinued after handover or cell reselection, the UE releases MBMS bearer and informs a NAS entity. If the subscribed MBMS service is available after handover or cell reselection, the UE keeps MBMS bearer during handover or cell reselection. By acquiring MBMS information, the UE is able to maintain continuous MBMS reception after handover or cell reselection. | 12-15-2011 |
20120020231 | Method for wireless communication in a device with co-existence radio - Various methods for wireless communication in a device with co-existed/co-located radios are provided. Multiple communication radio transceivers are co-existed/co-located in a user equipment (UE) having in-device coexistence (IDC) capability, which may result in IDC interference. For example, the UE is equipped with both LTE radio and some ISM band applications such as WiFi and Bluetooth modules. In a first method, the network identifies IDC capability by UE identification (e.g., UE ID). In a second method, the UE intentionally performs cell selection or reselection to cells in non-ISM frequency bands. In a third method, the UE signals the existence of ISM band applications via capability negotiation. In a fourth method, the UE signals the activation of ISM band applications by signaling messages (e.g., RRC message or MAC CE). Under the various methods, the UE and its serving eNB can apply FDM or TDM solutions to mitigate the IDC interference. | 01-26-2012 |
20120033613 | Enhanced rach design for machine-type communications - An adaptive RACH operation is proposed for machine-type communications (MTC) in a 3GPP wireless network. The adaptive RACH operation is based on context information to reduce RACH collision probability, to control network overload, and to enhance system performance. The context information includes device related information and network related information. Device related information includes device type and service or application type. Network related information includes network load information and historical statistics information. Based on the context information, an MTC device adjusts various network access and RACH parameters by applying adaptive RACH operation in different levels. For example, in the application level and the network level, the MTC device adjusts its access probability or RACH backoff time for RACH access. In the radio access network (RAN) level, the MTC device adjusts its access probability or RACH backoff time, or transmits RACH preambles using adjusted RACH radio resources and preambles. | 02-09-2012 |
20120082043 | Indication of user equipment transmit power capacilty in carrier aggregation - A method of power headroom reporting (PHR) is proposed. A UE is configured with a plurality of component carriers (CCs) and is served by one or more power amplifiers (PAs) in a wireless system with carrier aggregation. The UE determines transmit power limitation (TPL) information that comprises a set of TPL values, each TPL value corresponds to a UE-configured maximum transmit power for UE-level, PA-level, and CC-level. The TPL information is then reduced to non-redundant TPL values. Based on the non-redundant TPL values, the UE determines power headroom (PH) information that comprises a set of PH values. Each PH value equals to a TPL value subtracted by a UE-calculated transmit power. The UE reports the PH information to a base station via a fixed-length or variable-length MAC CE at each PHR reporting instance. | 04-05-2012 |
20120106356 | Method of MDT information logging and reporting - A method of MDT information logging and problem event reporting is provided. The method supports provisioning of reference events to enable correlation of system time and the problem occurrence. In one embodiment, a problem event report includes time information directly or indirectly related to a reference event. A method of handling battery condition is also provided. The method supports autonomously suspending or resuming OAM activities in MDT based on predefined battery condition. In one embodiment, a testable battery condition handling is designed for MDT logging. | 05-03-2012 |
20120106386 | Method of uplink MDT measurement - Methods of MDT information logging and reporting are provided. In one embodiment, a method is provided to resolve shortcomings of prior art by correlating UL measurements with QoS information to enable UL performance analysis and accurate detection of coverage problems. In another embodiment, a method is provided to resolve the shortcomings of the prior art by making DL measurements and location information collecting or logging conditional on UL measurements. | 05-03-2012 |
20120177006 | Obtaining System Frame Number of Target Cell During Handover - A method of obtaining system frame number for handover is provided. A UE receives a handover command from a serving base station in a serving cell. The UE performs downlink synchronization with a target base station. Upon synchronization, the UE determines a radio frame boundary of a target cell. The UE then obtains a system frame number of the target cell based on the radio frame boundary. The UE performs a handover procedure with the target cell by transmitting a RACH preamble to the target base station. The RACH preamble is transmitted over a PRACH resource determined from the system frame number without reading SFN information from a PBCH/BCH broadcasted from the target base station. Finally, the UE establishes data connection with the target base station. Handover interruption time is reduced by obtaining SFN before PBCH reading and decoding. | 07-12-2012 |
20120250520 | Method of Maintaining Multiple Timing Advance - A method of managing multiple timing advance (TA) groups, maintaining multiple TA timers, and performing UL synchronization in a multi-carrier wireless system is provided. When a new component carrier (CC) is configured, it is assigned to a TA group having a TA group identifier. The TA groups are managed statically or dynamically. The TA group identifier is used to uniquely identify the TA group in the operations of uplink (UL) timing synchronization. Multiple TA timers are assigned to multiple TA groups. The TA timers may have different values for different TA group. Different embodiments of UL timing adjustments for multiple TA groups are provided. | 10-04-2012 |
20130010753 | System and Method for Indicating Local IP Access Support Via NAS Signaling - A method of providing Local IP Access (LIPA) indication is proposed. In one novel aspect, an enhanced cell selection method is proposed using LIPA capability information. Based on LIPA capability related information, a UE is able to prioritize LIPA-capable cells and establish a corresponding packet data network (PDN) connection accordingly. In one embodiment, LIPA information is informed to the UE via Non Access Stratum (NAS) signaling. The UE stores LIPA capability information when receiving a NAS message from a mobility management entity (MME). Later on, when the UE performs cell selection or reselection in idle mode, the UE can use the stored LIPA capability information to prioritize LIPA-capable cells. | 01-10-2013 |
20130012216 | System and Method for Indicating Local IP Access Support - A method of providing Local IP Access (LIPA) indication is proposed. In one novel aspect, an enhanced cell selection method is proposed using LIPA capability information. Based on LIPA capability related information, a UE is able to prioritize LIPA-capable cells and establish a corresponding packet data network (PDN) connection accordingly. In a first embodiment, LIPA information is statically configured in the UE. In a second embodiment, LIPA information is informed to the UE via broadcasting or unicasting Radio Resource Control (RRC) signaling. | 01-10-2013 |
20130015953 | Enhanced Paging Mechanism for Machine Type Communication - Enhanced paging mechanisms are proposed for Machine Type Communication (MTC) devices in 3GPP networks. First, adaptive paging is proposed to adaptively allocate extra paging occasions for MTC devices with no extra procedure or power consumption on normal UEs. Second, group paging is proposed to simultaneously page a plurality of MTC devices with one paging. Group paging is controlled in different levels for optimized signaling and easier management. In one embodiment, group broadcasting and group release are used. Third, paging with response policy is proposed to pre-define or dynamically configure paging response policies for MTC devices. | 01-17-2013 |
20130039250 | Method to Indicate MBMS Reception Status to Enable Service Continuity - Network-assisted solutions are provided to maintain MBMS service continuity. In one novel aspect, a base station broadcasts MBMS service continuity (SC) indication to a plurality of user equipments (UEs) via a system information block (SIB). The MBMS SC indication comprises MBMS service area IDs (SAIs) supported by the current cell as well as neighbor frequencies. If a UE is in RRC_IDLE state, then the UE makes cell reselection decision based on the MBMS SC indication to maintain MBMS service continuity. If the UE is in RRC_CONNECTED state, then the UE reports MBMS reception status to the base station based on the MBMS SC indication via a dedicated RRC message. As a result, the base station can makes certain decisions including handover for the UE to maintain MBMS service continuity. | 02-14-2013 |
20130040692 | Method of Heterogeneous Network Mobility - Methods for enhanced heterogeneous network mobility are proposed. In a first novel aspect, the cell size of a target cell is considered when determining the TTT value. In one embodiment, pico-specific Time-to-Trigger (TTT) value is configured. When the target cell to be measured is a picocell, pico-specific TTT value is applied. In a second novel aspect, precise mobility state estimation (MSE) is achieved by considering the effect of cell size. In one embodiment, when counting cell changes, a cell change to/from a small cell would be counted to lesser extent than a cell change between large cells. UE uses effective parameters for measurement evaluation, by applying better speed state estimation with speed scaling and by applying parameter differentiation that can be dependent on cell size. | 02-14-2013 |
20130045706 | Enhanced Acess Control in LTE Advanced Systems - An enhanced access control method is proposed for machine-type communications (MTC) in a 3GPP LTE-Advanced network. An MTC device is configured for enhanced access barring (EAB). When the MTC device attempts access to the network, the NAS layer checks whether EAB is applicable for the MTC device. If yes, then the NAS layer forwards EAB configuration to the AS layer for further EAB control. Based on the EAB configuration, a base station broadcasts EAB information to UEs via system information block. The EAB information indicates whether barring is applied to a number of EAB categories and a number of access classes. Based on the EAB information, the MTC devices performs EAB for access attempt to RRC. If access is not barred under EAB, then the MTC device further performs ACB for access attempt to RRC. | 02-21-2013 |
20130083713 | Enhancement for Scheduling Request Triggering Based on Traffic Condition - A method for scheduling request triggering based on traffic condition is provided. The method supports detecting a traffic condition, determining a modified scheduling request (SR) trigger based on the traffic condition and transmitting a scheduling request to a base station based on the modified SR trigger. In one embodiment, the modified SR trigger is a data buffer or a data generation rate exceeding a threshold. In one embodiment, the threshold is related to a prioritized Bit Rate (PBR) or a bucket Size Duration (BSD) or both. In another embodiment, the threshold is configured by the base station based on a size of the smallest grant under the traffic condition. In one embodiment, the threshold is updated when DRX state changes. In another embodiment, during DRX sleep state, the SR period is longer or SR is stopped. | 04-04-2013 |
20130084869 | Methods of UE Providing Speed Information to Network - A method of user equipment (UE) providing speed information to network is provided. The method supports obtaining speed information of the UE, detecting a trigger event and providing the speed information to the network by one or more predefined means. The speed information is taken from the group consisting of a physical speed, a physical speed mapped on a pre-defined speed group, and a virtual speed. The virtual speed comprises a cell change count or a number cells that the UE has requested RRC connection during a certain period. The UE can send the speed information to an eNB via RRC connection establishment, RRC connection re-establishment, a new IE in RRC measure report or a new RRC message. | 04-04-2013 |
20130100840 | Transmitter Assisted Quality of Service Measurement - A method and apparatus for transmitter assisted Quality of Service (QoS) measurement. Time information is generated by the transmitter and transmitted along with a data transmission. A receiving device determines a QoS measurement based upon the time information and the received data. The time information indicates when the data was made available for transmission, which data transmission blocks belong to a single data transmission, and when a transmitter buffer was emptied. The QOS measurements are performance measurement such as, latency measurements and throughput measurements. The time information indicates a time reference relative to the timing of a wireless interface. The time reference is a System Frame Number (SFN), a Connection Frame Number (CFN), a relative count of frame numbers, a count of sub-frames, or a count of Time Transmission Intervals (TTIs). An aggregated QOS measurement is generated based upon the QOS measurement. | 04-25-2013 |
20130201851 | Method and Apparatus for Collecting and Providing Diverse Traffic Information in Cellular Networks - A method of collecting and providing traffic statistics in a cellular network in accordance is proposed. A UE establishes an RRC connection with a base station. The UE starts to collect traffic statistics that comprises a CDF curve or a PDF diagram for packet inter-arrival time. The UE may receive a measurement configuration from the base station for the traffic statistics collection. The UE then reports a representation of the traffic statistics to the base station for RRC reconfiguration. The UE may also receive a reporting request from the base station that specifies a representation format. The representation format includes one or more probability values at corresponding inter-arrival time points, at least one slope of the CDF, one or more steep events in the CDF, or a PDF range. | 08-08-2013 |
20130201852 | Method and Apparatus for Triggering and Reporting Diverse Traffic Information in Cellular Networks - A method of triggering and reporting traffic statistics in a cellular network is proposed. A UE establishes an RRC connection with a base station. The UE collects traffic statistics upon detecting a trigger event. The traffic statistics comprises packet inter-arrival time. The trigger event may be detected by the UE or by the base station. The UE then determines a representation of the traffic statistics and report the result to the base station. The report may be triggered by the UE or by the base station based on another trigger event. Upon receiving the traffic statistics, the base station determines RRC reconfiguration parameters. In one example, DRX timer values are determined based on intra-burst packet inter-arrival time. In another example, RRC release timer is determined based on inter-burst packet inter-arrival time. | 08-08-2013 |
20140092733 | Methods of UE Indicating Traffic-Related Information to Network - A method of user equipment (UE) indication of traffic-related information to network is provided. The method comprises a UE determining a traffic indicator and transmitting the traffic indicator to a base station. In one embodiment, the traffic indicator indicates either that default power consumption is preferred or low power consumption is preferred. For example, when the UE is in background traffic or sparse traffic, low power consumption is preferred. In another embodiment, the traffic indicator indicates a time pattern of the traffic history. From the network perspective, upon receiving and evaluating information contained in the traffic indicator, the network triggers a QoS modification procedure by applying one or more QoS modification algorithms. | 04-03-2014 |
20140348132 | System and Method for Indicating Local IP Access Support Via NAS Signaling - A method of providing Local IP Access (LIPA) indication is proposed. In one novel aspect, an enhanced cell selection method is proposed using LIPA capability information. Based on LIPA capability related information, a UE is able to prioritize LIPA-capable cells and establish a corresponding packet data network (PDN) connection accordingly. In one embodiment, LIPA information is informed to the UE via Non Access Stratum (NAS) signaling. The UE stores LIPA capability information when receiving a NAS message from a mobility management entity (MME). Later on, when the UE performs cell selection or reselection in idle mode, the UE can use the stored LIPA capability information to prioritize LIPA-capable cells. | 11-27-2014 |
20150111520 | Enhanced Access Control in LTE Advanced Systems - An enhanced access control method is proposed for machine-type communications (MTC) in a 3GPP LTE-Advanced network. An MTC device is configured for enhanced access barring (EAB). When the MTC device attempts access to the network, the NAS layer checks whether EAB is applicable for the MTC device. If yes, then the NAS layer forwards EAB configuration to the AS layer for further EAB control. Based on the EAB configuration, a base station broadcasts EAB information to UEs via system information block. The EAB information indicates whether barring is applied to a number of EAB categories and a number of access classes. Based on the EAB information, the MTC devices performs EAB for access attempt to RRC. If access is not barred under EAB, then the MTC device further performs ACB for access attempt to RRC. | 04-23-2015 |
20150119098 | Power Control Method to Mitigate Interference for In-Device Coexistence - A power control method to mitigate in-device coexistence (IDC) interference is provided. A wireless communication device (UE) is equipped with a first LTE radio module and a second co-located WiFi/BT/GSNN radio module. Upon detecting coexistence or IDC interference, the UE applies power control method to mitigate the interference. In a first embodiment, the LTE radio module adjusts its power parameters locally without informing the serving eNB. In a second embodiment, the LTE radio module adjusts its power parameters and implicit informs the eNB through existing PHR reporting. In a third embodiment, the LTE radio module changes its power or power class and explicitly informs the eNB through UE capability or new RRC message or MAC CE. Power control can be used as a low cost and lightweight solution before applying other heavyweight solutions that either require more resource or control overhead, or have higher impact on throughput. | 04-30-2015 |
20150163810 | Method and Apparatus for Collecting and Providing Diverse Traffic Information in Cellular Networks - A method of collecting and providing traffic statistics in a cellular network in accordance is proposed. A UE establishes an RRC connection with a base station. The UE starts to collect traffic statistics that comprises a CDF curve or a PDF diagram for packet inter-arrival time. The UE may receive a measurement configuration from the base station for the traffic statistics collection. The UE then reports a representation of the traffic statistics to the base station for RRC reconfiguration. The UE may also receive a reporting request from the base station that specifies a representation format. The representation format includes one or more probability values at corresponding inter-arrival time points, at least one slope of the CDF, one or more steep events in the CDF, or a PDF range. | 06-11-2015 |
20150334626 | Method of Heterogeneous Network Mobility - Methods for enhanced heterogeneous network mobility are proposed. In a first novel aspect, the cell size of a target cell is considered when determining the TTT value. In one embodiment, pico-specific Time-to-Trigger (TTT) value is configured. When the target cell to be measured is a picocell, pico-specific TTT value is applied. In a second novel aspect, precise mobility state estimation (MSE) is achieved by considering the effect of cell size. In one embodiment, when counting cell changes, a cell change to/from a small cell would be counted to lesser extent than a cell change between large cells. UE uses effective parameters for measurement evaluation, by applying better speed state estimation with speed scaling and by applying parameter differentiation that can be dependent on cell size. | 11-19-2015 |
20150365896 | Methods for UE Indicating Traffic-Related Information to Network - A method of user equipment (UE) indication of traffic-related information to network is provided. The method comprises a UE determining a traffic indicator and transmitting the traffic indicator to a base station. In one embodiment, the traffic indicator indicates either that default power consumption is preferred or low power consumption is preferred. For example, when the UE is in background traffic or sparse traffic, low power consumption is preferred. In another embodiment, the traffic indicator indicates a time pattern of the traffic history. From the network perspective, upon receiving and evaluating information contained in the traffic indicator, the network triggers a QoS modification procedure by applying one or more QoS modification algorithms. | 12-17-2015 |
Patent application number | Description | Published |
20120168428 | ELECTROTHERMAL TRANSFER DEVICE AND ELECTROTHERMAL TRANSFER METHOD - An electrothermal transfer device includes a substrate, a plurality of electrothermal components and a heating circuit. The electrothermal components are disposed on a surface of the substrate and arranged in a pattern. The heating circuit is electrically connected to the electrothermal components. In an electrothermal transfer method, at first, a transfer substrate is disposed on a workpiece substrate. Then, the electrothermal transfer device is disposed on the transfer substrate so that the electrothermal components contact with the transfer substrate. Thereafter, the heating circuit is used to heat the electrothermal transfer components so that the transfer substrate is heated to be transferred to the workpiece substrate. The electrothermal transfer device and the electrothermal transfer method can reduce cost. | 07-05-2012 |
20120188627 | SMART WINDOW AND SMART WINDOW SYSTEM USING THE SAME - A smart window includes a windowpane, at least one sensor and a wireless signal transceiver. The sensor is disposed on the windowpane and configured for detecting an environmental factor and accordingly outputting a sensing signal. The wireless signal transceiver is disposed on the windowpane and electrically connected to the sensor. The wireless signal transceiver is configured for further transmitting the sensing signal from the sensor. A smart window system includes the aforementioned smart window. The smart window and the smart window system adopt wireless communication manner to transmit the sensing signals, and thereby the smart window system has an overall modulation to an environmental factor. | 07-26-2012 |
20120250135 | Color Display and Method for Manufacturing Color Display - A method for manufacturing a color display provides a bottom substrate, injects a liquid display media onto the bottom substrate, and disposes a sealing substrate on the liquid display media, such that the liquid display media is contained between the sealing substrate and the bottom substrate. The method also aligns an image device corresponding to the bottom substrate and transfers a color coating onto the sealing substrate by a laser device through a laser thermal transfer process to form a color filter layer on the sealing substrate. | 10-04-2012 |
20130003165 | Color Electrophoretic Display - A color electrophoretic display includes a substrate, a segment electrode circuit layer, a transparent electrode layer, an electrophoretic display medium layer, and a colored polymer film. The segment electrode circuit layer is disposed on the substrate and is configured to display a letter and/or a pattern. The transparent electrode layer is disposed opposing the segment electrode circuit layer, and the electrophoretic display medium layer is disposed between the segment electrode circuit layer and the transparent electrode layer. The electrophoretic display medium layer is controlled by an electric field that is produced and varied by the segment electrode circuit layer and the transparent electrode layer to change brightness. The color polymer film is disposed on the transparent electrode layer to produce color. The colored polymer film includes a polymer layer and pigment particles distributed in the polymer layer. | 01-03-2013 |
20130087781 | METAL OXIDE THIN FILM TRANSISTOR - A metal oxide thin film transistor (TFT) includes a gate electrode, a gate insulating layer, a metal oxide active layer, a source electrode, and a drain electrode. The gate electrode is formed on a substrate. The gate insulating layer is formed on the substrate and covers the gate electrode. The metal oxide active layer is formed on the gate insulating layer. The drain electrode and the source electrode are formed on two opposite ends of the metal oxide active layer in a spaced-apart manner, in which at least one of the orthographic projection of the source electrode and the orthographic projection of the drain to electrode on the substrate does not overlap the gate electrode. | 04-11-2013 |
20130099220 | Transistor Structure - A transistor structure comprises a patterned N-type transparent oxide semiconductor formed over a substrate as a base, and a patterned p-type organic polymer semiconductor formed on the patterned N-type transparent oxide semiconductor comprising a first portion and a second portion so that the patterned N-type transparent oxide semiconductor and the first portion and the second portion of the patterned p-type organic polymer semiconductor form heterojunctions therebetween respectively, wherein the first portion of the patterned p-type organic polymer semiconductor is used as an emitter, and the second portion of the patterned p-type organic polymer semiconductor is used as a collector. | 04-25-2013 |
20130105789 | ARRAY SUBSTRATE AND METHOD FOR MANUFACTURING THE SAME | 05-02-2013 |
20130119372 | LIGHT SENSING DEVICE - A light sensing device is disclosed. The light sensing device includes a first light sensor and a second light sensor. The first light sensor formed on a substrate includes a first metal oxide semiconductor layer for absorbing a first light having a first waveband. The second light sensor formed on the substrate includes a second metal oxide semiconductor layer and an organic light-sensitive layer on the second metal oxide semiconductor layer for absorbing a second light having a second waveband. | 05-16-2013 |
20130154015 | THREE-DIMENSION CIRCUIT STRUCTURE AND SEMICONDUCTOR DEVICE - A three-dimension circuit structure includes a substrate, a first conductive layer, a filled material and a second conductive layer. The substrate has an upper surface and a cavity located at the upper surface. The first conductive layer covers the inside walls of the cavity and protrudes out the upper surface. The filled material fills the cavity and covers the first conductive layer. The second conductive layer covers the filled material and a portion of the first conductive layer, and the first conductive layer and the second conductive layer encapsulate the filled material. The material of the filled material is different from that of the first conductive layer and the second conductive layer. | 06-20-2013 |
20130187149 | THIN-FILM TRANSISTOR AND METHOD FOR MANUFACTURING THE SAME - Disclosed herein is a thin film transistor. The thin film transistor is characterized in having a source interconnect layer and a drain interconnect layer. The source electrode and the drain electrode are respectively disposed above and in contact with the source interconnect layer and the drain interconnect layer. The semiconductor layer is in contact with both the source interconnect layer and the drain interconnect layer, but is not in contact with the source electrode and the drain electrode. | 07-25-2013 |
20130187900 | COURT BORDER MODULE USING DISPLAY APPARATUS - A court border module using a display apparatus is disclosed, which uses piezoelectric elements to drive the display apparatus. When a ball hits a court border, which is defined by the display apparatus, a force is applied to the piezoelectric elements which then generate power to drive the corresponding part of the display apparatus. The color of the part of the display apparatus hit by the ball is switched. Therefore the change in the color of the court border can be observed by officials and others to instantly and objectively determine whether the ball has hit the court border. | 07-25-2013 |
20130200362 | THIN FILM TRANSISTOR - A thin film transistor (TFT) is provided, which includes a gate, a semiconductor layer, an insulation layer, a source and a drain. The semiconductor layer has a first end and a second end opposite to the first end. The insulation layer is disposed between the gate and the semiconductor layer. The source clamps the first end of the semiconductor layer and the drain clamps the second end of the semiconductor layer. | 08-08-2013 |
20130207113 | ELECTROSTATIC DISCHARGE PROTECTION STRUCTURE FOR AN ACTIVE ARRAY SUBSTRATE - Disclosed herein is an electrostatic discharge protection structure which includes a signal line, a thin-film transistor and a shunt wire. The thin-film transistor includes a gate electrode, a metal-oxide semiconductor layer, a source electrode and a drain electrode. The first metal-oxide semiconductor layer is disposed above the first gate electrode. The metal-oxide semiconductor layer has a channel region characterized in having a width/length ratio of less than 1. The source electrode is equipotentially connected to the gate electrode. The shunt wire is electrically connected to the drain electrode. When the signal line receives a voltage surge of greater than a predetermined magnitude, the voltage surge is shunted through the thin-film transistor to the shunt wire. | 08-15-2013 |
20130214269 | THIN FILM TRANSISTOR - A thin film transistor (TFT) includes a gate, a semiconductor layer, an insulating layer, a source, a drain, and a current reduction layer. The insulating layer is disposed between the gate and the semiconductor layer. The source is connected to the semiconductor layer. The drain is connected to the semiconductor layer, and the source and the drain are separated from each other. The current reduction layer has a first part and a second part. The first part is disposed between the semiconductor layer and at least a part of the source, and the second part is disposed between the semiconductor layer and at least a part of the drain. | 08-22-2013 |
20130228779 | SEMICONDUCTOR DEVICE - A semiconductor device including a substrate, a metal layer, an insulating layer, a semiconductor layer, a drain and a source is provided. The substrate has a surface and a first cavity. The metal layer is disposed on the substrate and covers the surface and inner-wall of the first cavity to define a second cavity corresponding to the first cavity. The insulating layer covers the metal layer and inner-wall of the second cavity to define a third cavity corresponding to the second cavity. The semiconductor layer exposes out a portion of the insulating layer and covers the inner-wall of the third cavity to define a fourth cavity corresponding to the third cavity. The drain and source are disposed on the semiconductor layer and covers a portion of the semiconductor layer and a portion of the insulating layer, in which the drain and source expose out the fourth cavity. | 09-05-2013 |
20130256655 | ACTIVE DEVICE - An active device is disposed on a substrate. The active device includes a metal layer, a semiconductor channel layer, an insulating layer, a source and a drain. The metal layer has a metal oxide surface away from the substrate. The insulating layer is disposed between the metal layer and the semiconductor channel layer. The source and the drain are disposed at one side of the semiconductor channel layer. A portion of the semiconductor channel layer is exposed between the source and the drain. An orthogonal projection of the metal layer on the substrate at least covers an orthogonal projection of the portion of the semiconductor channel layer exposed by the source and the drain on the substrate. | 10-03-2013 |
20130265166 | ELECTRIC APPARATUS - An electric apparatus including a display and a process unit is provided. The display has an active area and a peripheral area. The display panel including an active device array substrate, an opposite substrate opposite to the active device array substrate and a display medium between the active device array substrate and the opposite substrate. The active device array substrate has a plurality of active devices disposed in the active area and a humidity sensor disposed in the peripheral area. The humidity sensor is a thin film transistor having a metal oxide semiconductor layer. The process unit is electrically connected to the humidity sensor. The process unit calculates a humidity value according to a sensing current from the humidity sensor. | 10-10-2013 |
20130320329 | THIN FILM TRANSISTOR STRUCTURE AND ARRAY SUBSTRATE USING THE SAME - A thin film transistor structure is provided. The thin film transistor structure includes a first transistor having a first active layer, a second transistor having a second active layer, a first protection layer contacting the first active layer, and a second protection layer contacting the second active layer. The oxygen contents of the first and the second protection layers are controlled to affect the oxygen vacancy number of the first and the second active layers to satisfy the various electronic requirements of the first and the second transistors. | 12-05-2013 |
20140084281 | THIN FILM TRANSISTOR, ARRAY SUBSTRATE, AND DISPLAY APPARATUS - A thin film transistor disposed on a substrate is provided. The TFT includes a gate layer, an insulation layer, a carrier transmission layer, a passivation layer, a first source/drain layer, and a second source/drain layer. The gate layer is disposed on the substrate. The insulation layer is disposed on the gate layer. The carrier transmission layer is disposed on the insulation layer. The carrier transmission layer includes an active layer and a mobility enhancement layer. The passivation layer is disposed on the active layer. The first source/drain layer is disposed on the active layer. The second source/drain layer is disposed on the active layer. The mobility enhancement layer includes a first element. The active layer includes a second element. The electronegativity of the first element is smaller than that of the second element to enhance the carrier mobility of the active layer. | 03-27-2014 |
20140138677 | THIN FILM TRANSISTOR AND FABRICATION METHOD THEREOF - A thin film transistor and a fabrication method thereof are provided. A metal patterning layer is formed on the metal oxide semiconductor layer of a thin film transistor to shield the metal oxide semiconductor layer from the water, oxygen and light in the environment. | 05-22-2014 |
20150060780 | ORGANIC LIGHT-EMITTING DISPLAY DEVICE - An organic light-emitting display device includes an active array substrate, an encapsulating layer, an organic light-emitting layer, an absorption layer and a sealant. The encapsulating layer is opposite to the active array substrate, and the encapsulating layer has an inner surface facing the active array substrate. The organic light-emitting layer is disposed on the active array substrate. The absorption layer is configured to absorb at least one of moisture and oxygen, and is positioned on the inner surface of the encapsulating layer. The sealant is disposed between the active array substrate and the encapsulating layer, and encircles the organic light-emitting layer and the absorption layer | 03-05-2015 |
20150069379 | THIN FILM TRANSISTOR - A thin file transistor includes a gate electrode, a source electrode, a drain electrode, a gate-insulating layer, and an oxide semiconductor layer. The oxide semiconductor layer includes indium-gallium-zinc oxide with a formula of In | 03-12-2015 |
20150076588 | VERTICAL TRANSISTOR AND MANUFACTURING METHOD THEREOF - A vertical transistor and a manufacturing method thereof are provided herein. The manufacturing method includes forming a first patterned conductive layer on a substrate; forming a patterned metal oxide layer on the first patterned conductive layer, in which the patterned metal oxide layer includes a first patterned insulator layer, a second patterned insulator layer, and a second patterned conductive layer; forming a semiconductor layer; and forming a third patterned conductive layer. The first patterned insulator layer, the second patterned insulator layer, and the second patterned conductive layer are made by using a single metal oxide material. The oxygen concentration of the second patterned conductive layer is different from the oxygen concentrations of the first patterned insulator layer and the second patterned insulator layer. | 03-19-2015 |
20150129864 | ORGANIC-INORGANIC HYBRID TRANSISTOR - An organic-inorganic hybrid transistor comprises a flexible substrate, a gate electrode, an organic gate dielectric layer, an oxide semiconductor layer, a first passivation layer, a source electrode and a drain electrode. The gate electrode is disposed on the flexible substrate. The organic gate dielectric layer covers the gate electrode and a portion of the flexible substrate. The oxide semiconductor layer is disposed over the organic gate dielectric layer. The first passivation layer is interposed between and in contact with the oxide semiconductor layer and the organic gate dielectric layer. The source electrode and the drain electrode are respectively connected to different sides of the oxide semiconductor layer. | 05-14-2015 |
20150233851 | SEMICONDUCTOR SENSING DEVICE AND MANUFACTURING METHOD THEREOF - A semiconductor sensing device that includes a nanowire conductive layer, a semiconductor sensing layer, and a conductive layer is provided. The nanowire conductive layer includes a plurality of connected conductive nanowires, and gaps are formed between the conductive nanowires. The semiconductor sensing layer is electrically connected to the nanowire conductive layer. The conductive layer is electrically connected to the semiconductor sensing layer. The semiconductor sensing layer is located between the nanowire conductive layer and the conductive layer. A manufacturing method of a semiconductor sensing device is also provided. | 08-20-2015 |
20150357475 | METAL OXIDE THIN FILM TRANSISTOR - A metal oxide thin film transistor (TFT) includes a gate electrode, a gate insulating layer, a metal oxide active layer, a source electrode, and a drain electrode. The gate electrode is formed on a substrate. The gate insulating layer is formed on the substrate and covers the gate electrode. The metal oxide active layer is formed on the gate insulating layer. The drain electrode and the source electrode are formed on two opposite ends of the metal oxide active layer in a spaced-apart manner, in which at least one of the orthographic projection of the source electrode and the orthographic projection of the drain electrode on the substrate does not overlap the gate electrode. | 12-10-2015 |
20150371976 | DISPLAY APPARATUS, DISPLAY MODULE AND PIXEL STRUCTURE THEREOF - A pixel structure located on a periphery of a display module includes a substrate, a flexible circuit board and a plurality of LED chips. The substrate has at least one scribing tolerance reserving zone and a display unit mounting zone. The flexible circuit board is disposed on the display unit mounting zone of the substrate. The LED chips are mounted on the flexible circuit board. | 12-24-2015 |
20150380445 | ARRAY SUBSTRATE AND METHOD FOR MANUFACTURING THE SAME - Disclosed herein is a method for manufacturing an array substrate. The method includes forming a source electrode and a drain electrode on a substrate. A semiconductor layer, an organic insulating layer, and a gate electrode layer are sequentially formed to cover the substrate, the source electrode, and the drain electrode. A patterned photoresist layer is formed on the gate electrode layer. The exposed portion of the gate electrode layer, and a portion of the organic insulative layer and a portion of the semiconductor layer thereunder are removed to form a gate electrode. An organic passivation layer is formed on the gate electrode, the source electrode, and the drain electrode. The organic passivation layer has a contact window to expose a portion of the drain electrode. A pixel electrode is formed on the organic passivation layer and the exposed portion of the drain electrode. | 12-31-2015 |