Patent application number | Description | Published |
20150028384 | GaN TRANSISTORS WITH POLYSILICON LAYERS FOR CREATING ADDITIONAL COMPONENTS - A GaN transistor with polysilicon layers for creating additional components for an integrated circuit and a method for manufacturing the same. The GaN device includes an EPI structure and an insulating material disposed over EPI structure. Furthermore, one or more polysilicon layers are disposed in the insulating material with the polysilicon layers having one or more n-type regions and p-type regions. The device further includes metal interconnects disposed on the insulating material and vias disposed in the insulating material layer that connect source and drain metals to the n-type and p-type regions of the polysilicon layer. | 01-29-2015 |
20150028390 | GaN DEVICE WITH REDUCED OUTPUT CAPACITANCE AND PROCESS FOR MAKING SAME - A GaN transistor with reduced output capacitance and a method form manufacturing the same. The GaN transistor device includes a substrate layer, one or more buffer layer disposed on a substrate layer, a barrier layer disposed on the buffer layers, and a two dimensional electron gas (2DEG) formed at an interface between the barrier layer and the buffer layer. Furthermore, a gate electrode is disposed on the barrier layer and a dielectric layer is disposed on the gate electrode and the barrier layer. The GaN transistor includes one or more isolation regions formed in a portion of the interface between the at least one buffer layer and the barrier layer to remove the 2DEG in order to reduce output capacitance Coss of the GaN transistor. | 01-29-2015 |
20150034962 | INTEGRATED CIRCUIT WITH MATCHING THRESHOLD VOLTAGES AND METHOD FOR MAKING SAME - An integrated circuit having a substrate, a buffer layer formed over the substrate, a barrier layer formed over the buffer layer, and an isolation region that isolates an enhancement mode device from a depletion mode device. The integrated circuit further includes a first gate contact for the enhancement mode device that is disposed in one gate contact recess and a second gate contact for the depletion mode device that is disposed in a second gate contact recess. | 02-05-2015 |
20160086980 | GAN TRANSISTORS WITH POLYSILICON LAYERS USED FOR CREATING ADDITIONAL COMPONENTS - A GaN transistor with polysilicon layers for creating additional components for an integrated circuit and a method for manufacturing the same. The GaN device includes an EPI structure and an insulating material disposed over EPI structure. Furthermore, one or more polysilicon layers are disposed in the insulating material with the polysilicon layers having one or more n-type regions and p-type regions. The device further includes metal interconnects disposed on the insulating material and vias disposed in the insulating material layer that connect source and drain metals to the n-type and p-type regions of the polysilicon layer. | 03-24-2016 |
20160111416 | INTEGRATED CIRCUIT WITH MATCHING THRESHOLD VOLTAGES AND METHOD FOR MAKING SAME - An integrated circuit having a substrate, a buffer layer formed over the substrate, a barrier layer formed over the buffer layer, and an isolation region that isolates an enhancement mode device from a depletion mode device. The integrated circuit further includes a first gate contact for the enhancement mode device that is disposed in one gate contact recess and a second gate contact for the depletion mode device that is disposed in a second gate contact recess. | 04-21-2016 |
Patent application number | Description | Published |
20140092333 | Thin-Film Transistor (TFT) Array Structure and Liquid Crystal Display (LCD) Panel Thereof - A thin-film transistor (TFT) array structure and a liquid crystal display (LCD) panel thereof are described. The TFT array structure includes a plurality of scan lines, a plurality of first data lines, a plurality of second data lines, a plurality of pixel units and a plurality of control module. Each of the control modules is coupled among the scan line, one second data line and one pixel unit. The second data line charges the later control module when the scan line is selected to be activated for charging the pixel unit by the first data line. The charged later control module charges another pixel unit when the scan line is inactivated and another scan line is selected to be activated for charging another pixel unit by the first data line. The TFT array structure can reduce the charging duration of the pixels. | 04-03-2014 |
20140353668 | ANTI-COLORCAST DISPLAY PANEL - An anti-colorcast display panel is provided, comprising horizontal scanning lines and vertical data lines. It further includes sub-pixels disposed between adjacent scanning lines and adjacent data lines and arranged in a form of array. Every m×n sub-pixels form a pixel unit. Each sub-pixel includes a transistor whose gate is connected to the scanning line, source is connected to the data line, and drain is connected to two capacitors. The connections of the transistors in corresponding sub-pixels in each pixel unit are same. The data line will connect two adjacent sub-pixels in one row respectively when connecting the sources in the pixel unit, while the gates of the two adjacent sub-pixels are connected to the upper and lower scanning line. The extent of colorcast can be suppressed when implementing color mixing with the present invention, thus improving the color-displaying effect of the display panel, especially for the narrow-frame monitor. | 12-04-2014 |
20150009441 | LCD PANEL AND A METHOD OF MANUFACTURING THE SAME - The present invention proposes an LCD panel. Conducting traces traversing a scan line and a voltage controlling line are made of a transparent conducting layer which are used for first and second sub-pixel electrodes, rather than a second metallic layer for data lines. Compared with the conventional technology in which the transparent conducting layer is separated from the second metallic layer used as the data lines by the insulating layer, the transparent conducting layer is separated from the first metallic layer used as the scan lines by the insulating layer and the passivation layer in the present invention. Since the parasitic capacitances across the conducting traces and the scan lines or the voltage controlling lines are lower, RC delay is reduced. | 01-08-2015 |
20150009446 | LCD PANEL AND A METHOD OF MANUFACTURING THE SAME - A liquid crystal display panel and a method of manufacturing the same are proposed. A bottom electrode of an electrode used as a storage capacitor is disposed between a scan line and a voltage controlling line. A first conducting area and a second conducting area of another electrode used as the storage capacitor are formed by a transparent conducting layer. Because the storage capacitor is formed between the scan line and the voltage controlling line, a second sub-pixel electrode has larger layout space. The aperture ratio of the second sub-pixel electrode is increased accordingly. | 01-08-2015 |
20150022749 | ARRAY SUBSTRATE AND DISPLAY PANEL - An array substrate and a display panel are disclosed. The array substrate includes at least one data line, at least one scanning line, and a pixel cell defined by the data line and the scanning line. The pixel cell includes an ITO thin film and at least one metallic layer below the ITO thin film. The ITO thin film electrically connects to the metallic layer via a through hole. The ITO thin film includes a slit arranged between the ITO thin film and the through hole, and the slit is arranged to avoid the disclination lines so as to improve the display performance. | 01-22-2015 |
20150109272 | Array substrate and 3D display device - In the present invention, after the corresponding thin-film transistor is turned on by a first scan line, charging is achieved through a pixel electrode. After that, the corresponding thin-film transistor is turned on by a second scan line. The common voltage starts to be applied to the pixel electrode. In such a manner, the insertion of grey-scale pictures is carried out. Moreover, the embodiments of the present invention control the duration of time of a second scan signal on the second scan line so as to pull down the voltage of the pixel electrode to different voltage levels, thereby achieving the insertion of grey-scale pictures with varied brightness. | 04-23-2015 |
20150109275 | Array substrate and 3D display device - The present invention connects the first scan line of the (N+1)th set of scan lines to the second scan line of the first set of scan lines such that the vertical start pulse output signal of the first scan line of the (N+1)th set of scan lines serves as a vertical start pulse input signal of the second scan line of the first set of scan lines, and thereby turning on other second scan lines on the array substrate. The present invention can simplify the layout of the array substrate. | 04-23-2015 |
Patent application number | Description | Published |
20120226505 | HIERARCHICAL AUDIO CODING, DECODING METHOD AND SYSTEM - A hierarchical audio coding, decoding method and system are provided. The method includes dividing frequency domain coefficients of an audio signal after MDCT into a plurality of coding sub-bands, quantizing and coding amplitude envelope values of coding sub-bands; allocating bits to each coding sub-band of the core layer, quantizing and coding core layer frequency domain coefficients to obtain coded bits of core layer frequency domain coefficients; calculating the amplitude envelope value of each coding sub-band of the core layer residual signal; allocating bits to each coding sub-band of the extended layer, quantizing and coding the extended layer coding signal to obtain coded bits of the extended layer coding signal; multiplexing and packing amplitude value envelope coded bits of each coding sub-band composed by core layer and extended layer frequency domain coefficients, core layer frequency coefficients coded bits, and extended layer coding signal coded bits, then transmitting to the decoding end. | 09-06-2012 |
20120259644 | Audio-Encoding/Decoding Method and System of Lattice-Type Vector Quantizing - The audio coding method and system of lattice vector quantization is provided in the invention. The method comprises: dividing frequency domain coefficients of an audio signal for which a modified discrete cosine transform (MDCT) has been performed into a plurality of coding sub-bands, and quantizing and coding an amplitude envelope value of each coding sub-band to obtain coded bits of amplitude envelopes; performing bit allocation on each coding sub-band, and performing normalization, quantization and coding respectively on vectors in a low bit coding sub-band with pyramid lattice vector quantization and on vectors in a high bit coding sub-band with sphere lattice vector quantization to obtain coded bits of the frequency domain coefficients; multiplexing and packing the coded bits of the amplitude envelope and the coded bits of the frequency domain coefficients of each coding sub-band, then sending them to a decoding side. | 10-11-2012 |
20120323582 | Hierarchical Audio Frequency Encoding and Decoding Method and System, Hierarchical Frequency Encoding and Decoding Method for Transient Signal - Hierarchical audio coding and decoding method and system and hierarchical audio coding and decoding method for transient signals are provided. In the present invention, by introducing a processing method for transient signal frames in the hierarchical audio coding and decoding methods, a segmented time-frequency transform is performed on the transient signal frames, and then the frequency-domain coefficients obtained by transformation are rearranged respectively within the core layer and within the extended layer, so as to perform the same subsequent coding processes, such as bit allocation, frequency-domain coefficient coding, etc., as those on the steady-state signal frames, thus enhancing the coding efficiency of the transient signal frames and improving the quality of the hierarchical audio coding and decoding. | 12-20-2012 |
20130006644 | METHOD AND DEVICE FOR SPECTRAL BAND REPLICATION, AND METHOD AND SYSTEM FOR AUDIO DECODING - The present invention relates to a method and device for spectral band replication, and a method and system for audio decoding, and the method for spectral band replication comprises: A. searching for the position of a certain tone of an audio signal in MDCT frequency domain coefficients; B. according to the tone position, determining a spectral band replication period which is a bandwidth from a 0 frequency point to a frequency point of tone position, and a source frequency segment which is a frequency segment from a frequency point of the 0 frequency point shifting copyband_offset frequency points backwards to a frequency point of the frequency point of the tone position shifting the copyband_offset frequency points backwards, wherein said offset copyband_offset is greater than or equal to 0; and C. according to the spectral band replication period, carrying out spectral band replication on zero bit encoding subbands. | 01-03-2013 |
20130006645 | METHOD AND SYSTEM FOR AUDIO ENCODING AND DECODING AND METHOD FOR ESTIMATING NOISE LEVEL - The present invention relates to a method and system for audio encoding and decoding and a method for estimating a noise level, and the method for estimating a noise level in the present invention comprises: estimating a power spectrum of an audio signal to be encoded according to a frequency domain coefficient of the audio signal to be encoded; and estimating a noise level of a zero bit encoding subband audio signal according to the power spectrum obtained by calculating, and this noise level for controlling an energy proportion of noise filling to spectral band replication during decoding; wherein a zero bit encoding subband refers to an encoding subband of which allocated bit number is zero. The present invention can well reconstruct the uncoded frequency domain coefficients. | 01-03-2013 |
20140337039 | Frame Loss Compensation Method And Apparatus For Voice Frame Signal - A frame loss compensation method and apparatus for audio signals are disclosed. The method includes: when a first frame immediately following a correctly received frame is lost, judging a frame type of the first lost frame, and when the first lost frame is a non-multi-harmonic frame, calculating MDCT coefficients of the first lost frame by using MDCT coefficients of one or more frames prior to the first lost frame; obtaining an initially compensated signal of the first lost frame according to the MDCT coefficients of the first lost frame; and performing a first class of waveform adjustment on the initially compensated signal of the first lost frame and taking an adjusted time-domain signal as a time-domain signal of the first lost frame. The apparatus includes a frame type judgment module, an MDCT coefficient acquisition module, an initial compensation signal acquisition module and an adjustment module. | 11-13-2014 |