Class / Patent application number | Description | Number of patent applications / Date published |
345080000 | Driving means integral to substrate | 87 |
20080204379 | DISPLAY WITH INTEGRATED AUDIO TRANSDUCER DEVICE - Systems and methods that integrate audio capabilities within a display. A multilayered arrangement of dielectric and conductive layers can form a transducer that is integrated into the display. The dielectric layer can subsequently be charged (e.g., a biased voltage) and subject to a voltage to produce distortions and/or deflections of the dielectric layer, to produce acoustic waves that are audible to a user. | 08-28-2008 |
20080204380 | Organic light emitting diode display and driving method thereof - An organic light emitting diode (OLED) display, including a pixel portion having a plurality of pixels connected to scan lines and data lines, a scan driver adapted to generate and supply scan signals to the scan lines, a data driver adapted to generate and supply data signals to the data lines, an optical sensor adapted to generate an optical sensing signal according to an intensity of light, and a data converter adapted to store input image data or changed data from the input image data corresponding with the optical sensing signal. The data driver may be adapted to generate the data signal corresponding to the input image data or the changed data. | 08-28-2008 |
20080231563 | ORGANIC LIGHT EMITTING DISPLAY AND DRIVING METHOD THEREOF - An organic light emitting display and a driving method thereof capable of improving outdoor visibility by controlling the emission of the pixel. In one embodiment, the organic light emitting display includes an organic light emitting display panel; an emission control driver of the organic light emitting display panel; a sensor unit for outputting an electrical output signal by sensing an external light; a signal processing unit for determining an indoor mode or an outdoor mode in accordance with the output signal outputted from the sensor unit; an onscreen display control unit electrically connected to the signal processing unit and for controlling the emission control driver of the organic light emitting display panel; and an onscreen display area comprising a pixel circuit electrically connected to the emission control driver. Here, the pixel circuit of the onscreen display area is controlled by the emission control driver. | 09-25-2008 |
20080246703 | Display Driving Methods and Apparatus for Driving a Passive Matrix Multicolor Electroluminescent Display - A method of driving a passive matrix multicolor electroluminescent display, the display comprising a plurality of pixels arranged in rows and columns, each said pixel comprising at least first and second sub-pixels having different respective first and second colors, the method comprising: driving groups of said pixels in turn to display a multicolor image frame, said driving of a group of pixels comprising driving first and second sub-groups of sub-pixels of respective said first and second colors; and wherein said driving further comprises driving a said group of pixels for a duration dependent upon a maximum drive level of a sub-pixel of a said sub-group. | 10-09-2008 |
20080246704 | Display device - The invention provides a display device ( | 10-09-2008 |
20080252573 | Transistor Control Circuits and Control Methods, and Active Matrix Display Devices Using the Same - A transistor control circuit ( | 10-16-2008 |
20090009441 | ORGANIC EL DEVICE AND ORGANIC EL DISPLAY APPARATUS - In the present invention, there is provided an organic electro luminescence device including: an organic electro luminescence light emitting element; and a driving circuit for driving the organic electro luminescence light emitting element, wherein the driving circuit includes (A) an element driving transistor, (B) a video-signal write transistor, and (C) a capacitor having a pair of particular and other electrodes, with regard to the element driving transistor, (A-1) a source/drain area provided on a particular side of the element driving transistor to serve as a particular source/drain area of the element driving transistor is connected to a current supply section, and (A-2) a source/drain area provided on the other side of the element driving transistor to serve as another source/drain area of the element driving transistor is connected to the anode electrode of the organic electro luminescence light emitting element and the particular electrode of the capacitor, forming a second node. | 01-08-2009 |
20090027316 | Organic light emitting display and driving method thereof - An organic light emitting display is disclosed. The organic light emitting display has a test pixel which receives power from a power supply, where the voltage of the power is adjusted so as to cause a certain amount of current to flow in the test pixel. The adjusted voltage is then used to power the rest of the pixel array of the display. | 01-29-2009 |
20090058771 | Method of driving organic electroluminescence emission portion - Disclosed herein is a method of driving an organic electroluminescence emission portion, the method including the steps of: applying a first node initialization voltage to corresponding one of the data lines, and supplying the video signal instead of the first node initialization voltage for a predetermined scanning time period, applying the first node initialization voltage from the corresponding one of the data lines to the first node through the write transistor held in an ON state for initializing the potential at the first node, and holding a state of applying the first node initialization voltage from the corresponding one of the data lines to the first node through the write transistor held in an ON state for holding the potential at the first node. | 03-05-2009 |
20090128459 | Image Processing Systems - This invention generally relates to image processing systems, and more particularly to systems and methods for displaying images using multi-line addressing (MLA) or total matrix addressing (TMA) techniques, with reduced noise. Embodiments of the invention are particularly useful for driving OLED (organic light emitting diode) displays. A method of driving an electroluminescent display to display an image, the method comprising: inputting image data for said image; determining, using said image data, a first set of image subframe data for a first plurality of image subframes each representing a common spatial portion of said image, wherein said first plurality of image subframes combine to approximate said common spatial portion of said image; driving said display using said first set of image subframe data; determining, using said image data, a second set of image subframe data for a second plurality of image subframes each representing said common spatial portion of said image, wherein said second plurality of image subframes combine to approximate said common spatial portion of said image; and driving said display using said second set of image subframe data | 05-21-2009 |
20090146930 | ORGANIC ELECTRO-LUMINESCENT DISPLAY APPARATUS - Each TFT for driving each of a plurality of pixels arranged in a matrix-like configuration is configured using a stagger-type polycrystalline-Si TFT. A gate electrode, which is composed of a high-heat-resistant material capable of resisting high temperature at the time of polycrystalline-Si film formation, is disposed at a lower layer as compared with the polycrystalline-Si layer that forms a channel of each TFT. A gate line, which is composed of a low-resistance material, is disposed at an upper layer as compared with the polycrystalline-Si layer. The gate electrode and the gate line are connected to each other via a through-hole bored in a gate insulation film. Respective configuration components of each organic electro-luminescent element are partially co-used at the time of the line formation, thereby suppressing an increase in the steps, processes, and configuration components. | 06-11-2009 |
20090160743 | Self-luminous display device and driving method of the same - Disclosed herein is a self-luminous display device including: pixel circuits; and a drive circuit, wherein each of the pixel circuits includes a light-emitting diode, a drive transistor connected to a drive current path of the light-emitting diode, and a holding capacitor coupled to a control node of the drive transistor, during a period in which at least actual threshold voltage and mobility corrections are performed on the drive transistor before the light-emitting diode can emit light, the drive circuit performs a preliminary threshold voltage correction of the drive transistor, i.e., a dummy Vth correction, with the light-emitting diode in a non-light emitting state, the drive circuit next performs a correction preparation for a constant period by reverse-biasing the light-emitting diode and initializing the voltage held by the holding capacitor, and the drive circuit performs the actual threshold voltage correction and mobility correction after the correction preparation. | 06-25-2009 |
20090167649 | ACTIVE MATRIX DISPLAY APPARATUS AND DRIVING METHOD THEREFOR - A display includes connection lines each of which is provided for the corresponding scanning line of the display and is connected to a light emission element driving circuit, a ramp voltage generating section for generating ramp voltage for varying the control electrode voltage of each of the driver transistors relative to the voltage of the other electrode of the corresponding driver transistor to change the emission state of the corresponding light emission element, and a ramp voltage driver for supplying the ramp voltage to each of the connection lines provided for the corresponding scanning line in response to the scanning. | 07-02-2009 |
20090167650 | ELECTRO-LUMINESCENCE DISPLAY - An electro-luminescence display device including red, green and blue reference gamma generators each having three digital analog converters or more in order to generate a reference gamma voltage of low gray level and a reference gamma voltage of high gray level, and at least one integrated circuit to generate a data signal in use of the reference gamma voltage of low gray level and the reference gamma voltage of high gray level. Each reference gamma generator includes a first digital analog converter to divide a voltage supplied to itself in order to generate i numbers of voltage levels, a second digital analog converter to divide a voltage supplied to itself in order to generate j numbers of voltage levels, and a third digital analog converter to receive two voltage levels from the second digital analog converter and to divides the two received voltage levels into j numbers of voltage levels. | 07-02-2009 |
20090184903 | ORGANIC LIGHT EMITTING DISPLAY AND DRIVING METHOD THEREOF - An organic light emitting display includes a plurality of pixels arranged at intersecting points of data lines, scan lines and light emitting control lines; a sensing unit extracting a signal corresponding to a degradation level of organic light emitting diodes provided in each of the pixels; a storage unit storing the signal obtained from the sensing unit, calculating degradation level information of the organic light emitting diodes using the stored signal and storing the calculated information; a conversion unit for converting an input data (Data) into a correction data (Data′) using the degradation level information stored in the storage unit; and a data driver for receiving the correction data (Data′) outputted from the conversion unit and generating data signals to be supplied to the circuits. | 07-23-2009 |
20090189835 | Display Device - A display device according to one or more embodiments includes a display panel, a source driver part and a gate driver part. The display panel includes a first substrate and a second substrate. According to an embodiment, the first substrate includes a first side extending in a substantially straight line and having a first end and a second end, and a second side extending in a substantially round shape from the first end of the first side to the second end of the first side. A plurality of gate lines is substantially parallel with the first side. The second substrate has a shape corresponding to the first substrate. The source driver part is disposed at the first side, and the gate driver part is disposed at the second side. Thus, a display panel having various shapes besides a rectangular shape may be manufactured according to one or more embodiments. | 07-30-2009 |
20090201233 | Display device and electronic apparatus - A display device includes a drive section and a pixel array section including power lines, scanning lines, signal lines, and pixels in a matrix. Each pixel includes a sampling transistor, a drive transistor, a light-emitting element, and a storage capacitor. The drive section includes a write scanner supplying a control signal to one scanning line at a time, and a signal selector supplying a drive signal to each signal line. The sampling transistor applies the drive signal to the drive transistor. The drive transistor supplies a drive current based on the drive signal to the light-emitting element. The write scanner includes output buffers, each outputting a control signal including two pulses to a corresponding scanning line. Each output buffer includes first and second output sections, the first section outputting one pulse and the second section extracting a pulse from a pulse power supply and outputting the extracted pulse. | 08-13-2009 |
20090207108 | DISPLAY SUBSTRATE AND METHOD OF MANUFACTURING THE SAME - A display substrate includes a driving element, a switching element, a gate line, a data line, a driving voltage line and an electroluminescent element. The driving element includes a driving control electrode formed from a first conductive layer, and a driving input electrode and a driving output electrode formed from a second conductive layer. The switching element includes a switching control electrode formed from the second conductive layer, and a switching input electrode and a switching output electrode formed from a third conductive layer. The gate and data lines are formed from the second and third conductive layers, respectively. The driving voltage line is formed from the third conductive layer. Thus, misalignment between upper and lower patterns may be prevented to improve the reliability of a manufacturing process and increase an aperture ratio, thereby enhancing display quality. | 08-20-2009 |
20090213049 | CORRECTION OF TFT NON-UNIFORMITY IN AMOLED DISPLAY - Sub-pixel current in an OLED display is forced to converge to a desired level regardless of the source of pixel current error. By using a feedback loop, the pixel transistor current is forced to be equal to a predetermined target current that is established by an analog control circuit. The predetermined target current is selected to generate the desired pixel transistor current through the sub-pixel, and can be set by setting a target voltage. The sub-pixels have a 3T cell structure including 3 TFTs, one TFT for connecting the data line to the storage capacitor, another TFT for driving the sub-pixel current, and still another TFT for connecting the OLED diode anode to the data line of the AMOLED panel. Thus, the feedback loop of the present invention (comprising Taps M and N of a resistor string, and an amplifier, a comparator, and digital logic) senses the pixel transistor current via the data lines of the AMOLED panel to compensate for Mura | 08-27-2009 |
20090219233 | ORGANIC LIGHT EMITTING DISPLAY AND METHOD OF DRIVING THE SAME - An organic light emitting display and a method of driving the same. The organic light emitting display includes: a display unit having a plurality of data lines, a plurality of scan lines, and a plurality of pixels at crossing regions of the plurality of data lines and the plurality of scan lines; a data driver for outputting data signals through output channels, an output channel of the output channels coupled to two data lines of the plurality of data lines; a first scan driver for transferring scan signals to pixels coupled to one data line of the two data lines; and a second scan driver for transferring scan signals to pixels coupled to the other data line of the two data lines. | 09-03-2009 |
20090219234 | EL display panel module, EL display panel, integrated circuit device, electronic apparatus and driving controlling method - Disclosed herein is an EL display panel module, including: a pixel array section including a panel serving as a substrate, and a plurality of pixels disposed in a matrix on the panel and each including a pixel circuit, and a light emitting region; and a driving circuit for driving the pixel circuits such that a threshold value correction operation is carried out commonly for plural ones of the pixel circuits which are connected to each signal line and writing of a signal potential corresponding to a gradation value is executed time-sequentially for the individual pixel circuits, the driving circuit applying a reset potential lower than a reference potential for the threshold value correction to the plural ones of the pixel circuits before first writing of the signal potential after the threshold value correction operation is completed; the pixel array section and the driving circuit being mounted on the same substrate. | 09-03-2009 |
20090219235 | EL display panel, electronic apparatus and EL display panel driving method - An electro luminescence display panel adopting an active-matrix driving method and including pixel circuits; a capacitor control line; a coupling capacitor; and a pulse voltage source. | 09-03-2009 |
20090231246 | Organic light emitting display, method for driving the same, and driver therefor - An organic light emitting display includes pixels, each pixel having a transparent transistor, a timing controller to convert predetermined bits of an externally supplied first data into a certain value to generate a second data, and a data driver configured to receive the second data, to generate a data signal from the second data, and to supply the data signal to data lines coupled to the pixels. | 09-17-2009 |
20090262051 | Organic light emitting display device - An organic light emitting display device, may include a pixel unit including scan lines, data lines and a plurality of pixels positioned at intersecting portions of the scan lines and the data lines and electrically coupled therebetween, a scan driver adapted to supply scan signals to the scan lines, and a plurality of pads, wherein at least some of the plurality of pads are adapted to supply driving powers and driving signals to the pixel unit and the scan driver, and among the plurality of pads, a plurality of pads supply the same driving power or driving signal to the scan driver. | 10-22-2009 |
20090289876 | ORGANIC LIGHT EMITTING DISPLAY - An organic light emitting display is provided. In each circuit of pixels constituting a pixel unit, a transistor for providing an initialization voltage is arranged so that leakage current is reduced when the transistor is turned off. When the transistor is implemented as a dual gate transistor with a similar transistor from an adjacent pixel, layout space may be conserved. | 11-26-2009 |
20100053044 | ORGANIC LIGHT EMITTING DIODE DISPLAY AND METHOD FOR MANUFACTURING THE SAME - An organic light emitting diode display panel includes a transparent substrate on which a matrix array of pixels is formed with each pixel including an organic light emitting diode (OLED). The OLEDS include light emitting regions sandwiched between pixel electrodes or anodes made of transparent conductive material and a common electrode made of a conductive material. The refractive index of the pixel electrodes is higher than the refractive index of the insulating layer on which the pixel electrodes are disposed so that light undergoes multiple reflections at the interface between the pixel electrodes and the insulating layer and also at the interface between the light emitting regions and the common electrode. The thickness of the pixel electrodes is chosen so that light that eventually exits the pixel electrodes after multiple reflections contains a relatively strong component of a chosen primary color. | 03-04-2010 |
20100097303 | Organic Light Emitting Diode Display Device and Manufacturing Method Thereof - An organic light emitting diode (OLED) display device including an active array structure, a display structure and several conductive members is provided. The active array structure includes a first substrate and several thin film transistors. The thin film transistors disposed on the first substrate has several drains. The display structure includes a second substrate, a color changing medium, a first electrode layer, an organic material layer and a second electrode layer disposed sequentially. The location of the second substrate corresponds to that of the first substrate. The color changing medium has several color blocks. The organic material layer is used for emitting blue light and includes several lighting structures electrically insulated from each other. The second electrode layer includes several electrode structures electrically insulated from each other. Each of the conductive members is combined and electrically connected to the drain of each thin film transistor and each electrode structure. | 04-22-2010 |
20100109986 | DISPLAY DEVICE, DISPLAY PANEL, DISPLAY INSPECTION METHOD, AND DISPLAY PANEL MANUFACTURING METHOD - An organic electroluminescent device is provided which includes a plurality of electrodes stacked on a substrate, at least one of the electrodes being transparent, an organic electroluminescent layer that is layered between the plurality of electrodes and emits light by an electric field generated between the plurality of electrodes and by applied voltage, and a light-masking sealing layer that covers the plurality of electrodes and the organic electroluminescent layer and has a transmissivity that is at least lower than that of the organic electroluminescent layer with a certain wavelength range. | 05-06-2010 |
20100141566 | ORGANIC LIGHT EMITTING DIODE DISPLAY - An organic light emitting diode (OLED) display is disclosed. In one embodiment, the OLED display includes i) a first display panel comprising a plurality of organic light emitting diodes (OLEDs), wherein an emissive area and a non-emissive area are formed for each of the OLEDs, wherein the emissive area is configured to emit light, and wherein the non-emissive area is configured not to emit light and ii) a second display panel facing the first display panel, wherein the second display panel comprises a light absorption pattern which partitions the emissive area of each OLED into a plurality of sub-emissive areas. | 06-10-2010 |
20100149078 | Organic light emitting diode display - An OLED display includes a first substrate including a thin film transistor and an organic light emitting element and a second substrate facing the first substrate and having a gully pattern recessed on a surface facing the first substrate. By having the gully pattern on the second substrate, a mechanical strength of the OLED may be improved, and thus, the OLED may minimize the thickness without reducing the mechanical strength. | 06-17-2010 |
20100182224 | Display device and electronic apparatus - A display device includes: a pixel array unit having pixels including a circuit configuration, in which a first electrode of an electro-optical element and a source electrode of a driving transistor are connected together, a gate electrode of the driving transistor and a source electrode or a drain electrode of a writing transistor are connected together, a holding capacitor is connected between the gate electrode and the source electrode, and an auxiliary capacitor is connected between the first electrode and a second electrode, disposed in a matrix shape. A signal line used for transmitting a video signal is disposed between adjacent pixels, and from one pixel of adjacent pixels to an area of the other pixel, the auxiliary capacitor of the one pixel is set to be disposed. One electrode of the auxiliary capacitor disposed on the signal line side is conductive with the second electrode of the electro-optical element. | 07-22-2010 |
20100188319 | DISPLAY APPARATUS - A display is provided with: a substrate; a plurality of parallel scan wires extending over the substrate in a first direction; a plurality of parallel data wires extending parallel to a surface of the substrate in a second direction perpendicular to the first direction; at least one switching element per intersection between the scan wires and the data wires; pixel electrodes connected to the switching elements; at least one phosphor layer provided above the pixel electrodes; and common electrodes provided above the phosphor layer, and the phosphor layer has a polycrystalline structure made of a first semiconductor material and a second semiconductor material segregated between grain boundaries in the polycrystalline structure, which is different from the first semiconductor material. | 07-29-2010 |
20100188320 | DISPLAY DEVICE AND DRIVING METHOD THEREOF - The present invention relates to a structure and a method of a pixel and a data driver to measure degradation of an organic light emitting element, and a threshold voltage and mobility of a driving transistor in an organic light emitting device such that degradation of the organic light emitting element and the threshold voltage and mobility of the driving transistor are measured in a turn-on interval of the display device and a data voltage applied to the pixel is amended, and thereby images of improved and uniform quality may be displayed. | 07-29-2010 |
20100231490 | Organic Electroluminescent Display Device and Production Method Thereof - An organic electroluminescent display device is capable of flowing a constant electric current into each pixel and improving image qualities even if the device displays an image on a large screen. The organic electroluminescent display device including a lower electrode, an organic electroluminescent film, and an upper electrode on a substrate arranged in this order, wherein the upper electrode is divided in units of a pixel or dot by a partition having an insulating property. | 09-16-2010 |
20100245218 | LIGHT-EMITTING DEVICE AND DISPLAY DEVICE - Disclosed is a light-emitting device including a first electrode and a second electrode arranged facing each other, at least one of the electrodes being transparent or semi-transparent, and a phosphor layer provided as being sandwiched between the first electrode and the second electrode. In the phosphor layer, conductive nano particles and phosphor particles are dispersed in a matrix including a hole-transporting material. Also disclosed is another light-emitting device including a first electrode and a second electrode arranged facing each other, at least one of the electrodes being transparent or semi-transparent, and a phosphor layer sandwiched between the first electrode and the second electrode. This phosphor layer includes a phosphor particle powder containing phosphor particles, the phosphor particle having at least surface covered with a coating layer, the coating layer including a hole transport material and conductive nano particles dispersed in the hole transport material. | 09-30-2010 |
20100245219 | DISPLAY DEVICE AND DRIVING METHOD OF DISPLAY DEVICE - One feature of the present invention includes first to third steps of holding a voltage, corresponding to a difference between a voltage applied to a first power supply line and a threshold voltage of a first transistor, between both electrodes of first and second storage capacitors; holding a voltage, corresponding to a difference between a voltage applied to the first power supply line and a gate-source voltage of the first transistor, which is necessary to supply a light-emitting element with a current equivalent to a video signal current inputted into a signal line, between both the electrodes of the second storage capacitor; and applying a voltage based on the voltage held in the first and second storage capacitors in the first and second steps to a gate electrode of the first transistor; therefore, a current is supplied to the light-emitting element through the first transistor. | 09-30-2010 |
20100277403 | PIXEL STRUCTURE OF ORGANIC ELECTROLUMINESCENT DISPLAY PANEL AND METHOD OF MAKING THE SAME - A pixel structure of an organic electroluminescent display panel has a plurality of sub-pixel regions. Each of the sub-pixel regions has a plurality of organic luminescent devices electrically connected in series, and the organic luminescent devices disposed in a same sub-pixel region are disposed between a source electrode of a thin film transistor and a voltage source Vdd. | 11-04-2010 |
20110012817 | IMAGE DISPLAY DEVICE - An image display device includes: a first power supply line; a second power supply line; a plurality of pixel circuit; a driving circuit for supplying a data signal and a scanning signal; and a switch unit. Each pixel circuit includes: a driving transistor between the first power supply line and the second power supply line; a light emitting element controlled by the driving transistor; and a storage capacitor for storing the data signal and controlling the driving transistor. The driving circuit causes the storage capacitor to store the data signal and controls an intensity of light emission based on the data signal. The switch unit is provided at one of one end of the first power supply line and one end of the second power supply line to control whether or not to allow a current to flow from the first power supply line to the second power supply line. | 01-20-2011 |
20110012818 | EL DISPLAY DEVICE, DRIVING METHOD THEREOF, AND ELECTRONIC EQUIPMENT PROVIDED WITH THE EL DISPLAY DEVICE - An EL display device capable of performing clear multi-gradation color display and electronic equipment provided with the EL display device are provided, wherein gradation display is performed according to a time-division driving method in which the luminescence and non-luminescence of an EL element ( | 01-20-2011 |
20110018788 | ORGANIC EL DISPLAY DEVICE - A solid-sealing type organic EL display device having an excellent mechanical strength, sealed by a highly reliable sealing method and in which the luminescence property is less deteriorated. A laminate film including a thermoplastic adhesive member and a barrier layer against moisture is disposed on an upper electrode that is situated over an organic EL layer. In a sealing part existed in a periphery of the display region, only a metal oxide film which is formed of metal alkoxide exists between an edge of the laminate film and the element substrate. The organic EL element is surrounded only by an inorganic film so that moisture permeation from the outside can be prevented. Moreover the sealing part is composed of the inorganic film having an excellent sealing property against water thereby it is possible to make a width of the sealing part small. | 01-27-2011 |
20110057865 | DISPLAY DEVICE AND ELECTRONIC DEVICE INCLUDING THE SAME - The display device includes a first pixel, a second pixel, and a third pixel each including a first transistor, a second transistor, and a light-emitting element. In each of the first to third pixels, a first terminal of the first transistor is electrically connected to a signal line, a second terminal of the first transistor is electrically connected to a gate of the second transistor, a first terminal of the second transistor is electrically connected to a power supply line and a second terminal of the first transistor is electrically connected to the light-emitting element. A gate of the first transistor in the first pixel is electrically connected to a first scan line. A gate of the first transistor in the second pixel is electrically connected to a second scan line. A gate of the first transistor in the third pixel is electrically connected to a third scan line. | 03-10-2011 |
20110074661 | Display Device and Electronic Equipment Using the Same - In an active matrix EL display device, pixels which are suitable for a constant current drive are structured. The pixel includes a first switch which has one end connected to a source signal line and the other end connected to a current-voltage conversion element, a second switch which has one end connected to the current-voltage conversion element and the other end connected to a voltage holding capacitor and to a voltage-current conversion element, and a pixel electrode connected to the current-voltage conversion element and to the voltage-current conversion element. | 03-31-2011 |
20110095968 | ACTIVE MATRIX ORGANIC ELECTROLUMINESCENT DISPLAY DEVICE AND METHOD OF FABRICATING THE SAME - An organic electroluminescent display device includes a substrate, a gate line on the substrate, a data line crossing the gate line over the substrate, a switching thin film transistor near the crossing of the gate line and data line, a driving thin film transistor system including a plurality of sub-TFTs connected in parallel to the switching thin film transistor via a gate base, a power line crossing the gate line over the substrate and electrically connected with the plurality of sub-TFTs, a first electrode over the driving thin film transistor system in contact with the plurality of sub-TFTs, an organic electroluminescent layer on the first electrode, and a second electrode of transparent material on the organic electroluminescent layer. | 04-28-2011 |
20110102305 | LIGHT-EMITTING DEVICE - A light-emitting device includes a plurality of pixels including an organic electroluminescent element, a drive transistor driving the organic electroluminescent element, and a hold capacitor holding a control signal for controlling the drive transistor, the organic electroluminescent element being electrically connected to one of a source electrode and a drain electrode of the drive transistor. The hold capacitor includes a metal layer, an insulating layer, and a semiconductor layer in this order. The semiconductor layer receives light emitted from the organic electroluminescent element. One of the metal layer and the semiconductor layer of the hold capacitor is electrically connected to a gate electrode of the drive transistor, and the other of the metal layer and the semiconductor layer of the hold capacitor is specified at a fixed potential. | 05-05-2011 |
20110148745 | ORGANIC LIGHT EMITTING DISPLAY APPARATUS - Provided is an organic light emitting display apparatus including a substrate, a thin film transistor disposed on the substrate and including an active layer, a gate electrode, a gate insulator, a source electrode and a drain electrode, a first electrode electrically connected to the source electrode or the drain electrode, a second electrode disposed to face the first electrode, and an intermediate layer including an organic emitting layer and disposed between the first electrode and the second electrode. The gate insulator is disposed to insulate the gate electrode and the active layer and includes a plurality of patterns spaced apart from each other. | 06-23-2011 |
20120075171 | DIBENZOTHIOPHENE COMPOUND AND ORGANIC LIGHT-EMITTING ELEMENT BASED ON THE SAME - An aspect of the present invention provides the dibenzothiophene compound expressed by General Formula 1 in Claim | 03-29-2012 |
20120146886 | DISPLAY APPARATUS AND ELECTRONIC APPARATUS - Disclosed herein is a display apparatus, including: a foldable substrate; a pixel array section including a plurality of pixels disposed on the substrate and each including an electro-optical device; the foldable substrate being folded at a substrate end portion at least on one side thereof around the pixel array section; a peripheral circuit section disposed on the substrate end portion and adapted to drive the pixels of the pixel array section; and a pad section provided on the substrate end portion on which the peripheral circuit section is provided and adapted to electrically connect the peripheral circuit section to the outside of the substrate. | 06-14-2012 |
20120162053 | ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE AND FABRICATION METHOD THEREOF - An organic light emitting diode (OLED) display device and a fabrication method thereof are provided. In the OLED display device, when an existing power wiring using a metal used for a data wiring is divided based on a common electrode marginal region as a boundary so as to be used as a wiring as well as as the power wiring, the reduced width of the wiring is compensated for by increasing the thickness of the wiring by using a metal for an anode or a cathode, thus reducing the left and right bezel widths. | 06-28-2012 |
20120182208 | DISPLAY DEVICE AND METHOD FOR MANUFACTURING THEREOF - An object is to provide a system-on-panel display device including a display portion and a peripheral circuit for controlling display on the display portion over one substrate, which can operate more accurately. The display device has a display portion provided with a pixel portion including a plurality of pixels and a peripheral circuit portion for controlling display on the display portion, which are provided over a substrate. Each of the display portion and the peripheral circuit portion includes a plurality of transistors. For semiconductor layers of the transistors, single crystal semiconductor materials are used. | 07-19-2012 |
20120206324 | DISPLAY DEVICE AND ELECTRONIC EQUIPMENT - A display device is disclosed. The display device includes: a pixel array unit and a driving unit which drives the pixel array unit. The pixel array unit includes rows of first scanning lines and second scanning lines, columns of signals, pixels in a matrix state arranged at portions where the scanning lines and the signal lines cross each other and power supply lines and ground lines supplying power to respective pixels. The driving unit includes a first scanner performing line-sequential scanning to pixels by each row by supplying a first control signal to each first scanning line sequentially, a second scanner supplying a second control signal to each second scanning line sequentially so as to correspond to the line-sequential scanning and a signal selector supplying a video signal to rows of signal lines so as to correspond to the line-sequential scanning. | 08-16-2012 |
20120249401 | DISPLAY PANEL, DISPLAY DEVICE AND ELECTRONIC APPARATUS - A display panel includes: plural display pixels arranged in a matrix state, wherein each display pixel includes an organic EL device and a pixel circuit driving the organic EL device, the organic EL device is formed by stacking a first electrode connected to the pixel circuit, a light emitting layer and a second electrode, and the second electrode is a strip electrode shared by plural organic EL devices arranged in a row direction or in a column direction. | 10-04-2012 |
20120287027 | EL DISPLAY DEVICE AND ELECTRONIC DEVICE - Provided is an EL display device which is provided with a power supply line driver circuit including a transistor having capability in supplying a large amount of current over an insulating substrate where a pixel portion is formed. An active matrix EL display device includes a plurality of pixels, a plurality of signal lines, a plurality of scan lines, and a plurality of power supply lines over an insulating substrate; a transistor formed using an oxide semiconductor with a field-effect mobility of at least higher than or equal to 80 cm | 11-15-2012 |
20120306730 | DISPLAY SUBSTRATE AND METHOD OF MANUFACTURING THE SAME - A display substrate includes a driving element, a switching element, a gate line, a data line, a driving voltage line and an electroluminescent element. The driving element includes a driving control electrode formed from a first conductive layer, and a driving input electrode and a driving output electrode formed from a second conductive layer. The switching element includes a switching control electrode formed from the second conductive layer, and a switching input electrode and a switching output electrode formed from a third conductive layer. The gate and data lines are formed from the second and third conductive layers, respectively. The driving voltage line is formed from the third conductive layer. Thus, misalignment between upper and lower patterns may be prevented to improve the reliability of a manufacturing process and increase an aperture ratio, thereby enhancing display quality. | 12-06-2012 |
20130027282 | Semiconductor Device and Display Device - An object of the present invention is to decrease the resistance of a power supply line, to suppress a voltage drop in the power supply line, and to prevent defective display. A connection terminal portion includes a plurality of connection terminals. The plurality of connection terminals is provided with a plurality of connection pads which is part of the connection terminal. The plurality of connection pads includes a first connection pad and a second connection pad having a line width different from that of the first connection pad. Pitches between the plurality of connection pads are equal to each other. | 01-31-2013 |
20130038514 | DISPLAY PANEL AND PANEL INSPECTION APPARATUS - Disclosed herein is a display panel based on active matrix driving having a display area made up of N pixel control lines, M video signal lines orthogonally intersecting the N pixel control lines, and pixel circuits arranged at intersections between the N pixel control lines and M video signal lines, wherein positional identification patterns are arranged on every k (k being a natural number) pixel control lines inside each of the pixel circuits. | 02-14-2013 |
20130063330 | Organic Light-Emitting Display Device - An organic light-emitting display device which may widen a swing range of a green sub-pixel. In the organic light-emitting display device, from among red, green, and blue sub-pixels, an overlapping area of material layers forming a thin film transistor, a boost capacitor and/or a storage capacitor of the green sub-pixel is greater than an overlapping area of the same material layers forming a thin film transistor, a boost capacitor and/or a storage capacitor of the red and blue sub-pixels. Accordingly, since a swing range of the green sub-pixel having relatively high light-emitting efficiency is widened, more accurate gradation may be displayed, a reliable product may be realized, a brightness variation of the organic light-emitting display device may be reduced, and the risk of poor image quality may be reduced. | 03-14-2013 |
20130069853 | Organic Light Emitting Diode Display Device and Method for Manufacturing the Same - An OLED display device includes a display area of a substrate to display images; a non-display area surrounding the display area and applying signals to pixels within the display area; a first thin film transistor formed in the non-display area of the substrate; a second thin film transistor formed in the display area of the substrate; a planarization film formed over the first and second thin film transistors; a first electrode formed on the planarization film in the non-display area and formed with at least one first opening; a second electrode formed on the planarization film and connected to a electrode of the second thin film transistor; a bank pattern formed on the second electrode and the first electrode and exposing a part of the second electrode. The bank pattern is adjacent to the first electrode. | 03-21-2013 |
20130113692 | DISPLAY AND METHOD FOR MANUFACTURING DISPLAY - A display includes a pixel array part with pixels that each have at least one transistor whose conduction state is controlled by a drive signal input to a control terminal, and a scanner including a plurality of buffers that are formed of transistors. The buffers correspond to a pixel arrangement and output a drive signal to the control terminals of the transistors of the pixels. The transistors of the pixels and the transistors of the buffers are formed through irradiation with laser light that is moved for scanning in a predetermined direction and has a predetermined wavelength. The transistors in the buffers are formed in such a way that the channel length direction of the transistors is set parallel to the scan direction of the laser light. | 05-09-2013 |
20130120228 | ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE - An organic light emitting diode display device comprises: a plurality of pixels, wherein each of the pixels comprising: a driving TFT including a gate electrode coupled to a first node, a source electrode coupled to a second node, and a drain electrode coupled to a high-potential voltage source; an organic light emitting diode including an anode coupled to the second node and a cathode coupled to a low-potential voltage source; a first TFT in response to a first scan signal to connect the first node to a data line; a second TFT in response to a second scan signal to connect the first node to a first reference voltage source; a third TFT in response to an emission signal to connect the second node to the third node; and capacitors. | 05-16-2013 |
20130127692 | ORGANIC LIGHT EMITTING DIODE DISPLAY DEVICE - An organic light emitting diode display device comprises: a display panel having a plurality of pixels, each of the pixels comprising: a driving TFT comprising a gate electrode coupled to a first node, a source electrode coupled to a second node, and a drain electrode coupled to a high-potential voltage source; an organic light emitting diode comprising an anode coupled to the second node and a cathode coupled to a low-potential voltage source; a first TFT in response to a scan signal having a first logic level voltage to connect the first node to a data line; a second TFT in response to an emission signal having the first logic level voltage to connect the second node to the third node; a first capacitor coupled between the first node and the third node; and a second capacitor coupled between the third node and a reference voltage source. | 05-23-2013 |
20130127693 | DISPLAY DEVICE AND METHOD OF DRIVING THE SAME - A display device and a method of driving the same in which moving image blurring is prevented and a contrast ratio is enhanced by providing a light-emitting element, switching transistors, and a driving transistor with driving signals that include specific voltages at predetermined times, so that the light-emitting element does not emit light for an entire frame and the light output is not influenced by a threshold voltage of the driving transistor. | 05-23-2013 |
20130154909 | SEMICONDUCTOR DEVICE, DISPLAY PANEL AND ELECTRONIC APPARATUS - A semiconductor device includes a plurality of thin film transistors of a single channel formed on an insulating substrate, and a buffer circuit including an outputting stage; a first inputting stage; a second inputting stage; a seventh thin film transistor; and an eighth thin film transistor. | 06-20-2013 |
20130176195 | ORGANIC LIGHT EMITTING DISPLAY DEVICE - An organic light emitting diode display device is provided. The organic light emitting display device includes at least one capacitor, at least one transistor, and an organic light emitting element connected to the capacitor and the transistor. The transistor includes a first structure and a second structure disposed on the first structure with a first insulating layer therebetween. The capacitor includes a first electrode and a second electrode disposed on the first electrode with the insulating layer therebetween. A distance between the first electrode and the second electrode in at least a region, is less than a distance between the first structure and the second structure. | 07-11-2013 |
20130222217 | ORGANIC LIGHT EMITTING DISPLAY DEVICE - An organic light emitting display device according to an embodiment includes a substrate having a plurality of sub-pixels including first, second and third sub-pixels, the first and second sub-pixels disposed along a first direction and the third sub-pixel disposed adjacent to the first and second sub-pixels along a second direction; and a plurality of driving sub-pixels formed on the substrate, each of the driving sub-pixels including at least a driving transistor and a switching unit, wherein each of the driving sub-pixels corresponds to at least two sub-pixels among the plurality of sub-pixels. | 08-29-2013 |
20130285889 | DISPLAY DEVICE AND METHOD FOR CONTROLLING THE SAME - A display device includes an organic EL element and a capacitor. A driving transistor is connected to an anode of the organic EL element and passes a current to the organic EL element. The current corresponds to a voltage held in the capacitor. A first switch is between the capacitor and a data line, and the data line supplies the voltage to the capacitor. A voltage detector is connected to the data line for detecting an anode voltage applied to the organic EL element. A second switch is between the anode and the data line. A controller turns on the first switch, causes the organic EL element to emit light, and causes the voltage detector to detect the anode voltage by turning off the first switch and turning on the second switch while the organic EL element is emitting light. | 10-31-2013 |
20140043218 | DISPLAY DEVICE AND ELECTRONIC EQUIPMENT - A display device is disclosed. The display device includes: a pixel array unit and a driving unit which drives the pixel array unit. The pixel array unit includes rows of first scanning lines and second scanning lines, columns of signals, pixels in a matrix state arranged at portions where the scanning lines and the signal lines cross each other and power supply lines and ground lines supplying power to respective pixels. The driving unit includes a first scanner performing line-sequential scanning to pixels by each row by supplying a first control signal to each first scanning line sequentially, a second scanner supplying a second control signal to each second scanning line sequentially so as to correspond to the line-sequential scanning and a signal selector supplying a video signal to rows of signal lines so as to correspond to the line-sequential scanning. | 02-13-2014 |
20140043219 | LIGHT EMITTING DEVICE, ELECTRONIC APPARATUS, AND METHOD OF DRIVING LIGHT EMITTING DEVICE - A light emitting device includes a pixel circuit and a data line provided between a first substrate and a second substrate opposed to each other. The pixel circuit includes a first circuit and a second circuit, the first circuit includes a first light emitting element and a first driving transistor connected in series to each other, and a first switching element provided between a gate of the first transistor and the data line, and outgoing light of the first light emitting element is output from the first substrate side. The second circuit includes a second light emitting element and a second driving transistor connected in series to each other, and a first switching element provided between a gate of the second driving transistor and the data line, and outgoing light of the second light emitting element is output from the second substrate side. | 02-13-2014 |
20140062844 | DISPLAY DEVICE AND ELECTRONIC APPARATUS - There is provided a display device including pixel circuits which are arranged and each of which includes a driving transistor to drive an electro-optical element and a capacitor connected between a gate electrode and one source/drain electrode of the driving transistor. The driving transistor is configured by stacking the gate electrode and the source/drain electrode and a peripheral portion of the gate electrode is covered by the source/drain electrode. | 03-06-2014 |
20140132491 | GATE ON ARRAY DRIVER UNIT, GATE ON ARRAY DRIVER CIRCUIT, AND DISPLAY DEVICE - A gate on array driver unit, a gate on array driver circuit, and a display device. The gate on array driver unit comprises an input sampling unit, an output unit, a reset unit, and a storage capacitor. The storage capacitor is connected at a first end thereof to a gate electrode driving signal output end of the present stage. The input sampling unit is connected to a second end of the storage capacitor, and, under the control of a gate electrode driving signal of a previous stage of the gate on array driver unit, precharges the storage capacitor and allows the gate driving signal of the present stage to sample the input signal. The output unit is connected to the second end of the storage capacitor, and, when the input sampling unit completes the precharging of the storage capacitor, controls the output of the gate electrode driving signal of the present stage. The reset unit, under the control of the gate electrode driving signal of the gate on array driver unit of a next stage, resets the gate electrode driving signal of the present stage. Employment of the gate on array driver unit allows for reduced circuit layout area for the gate on array driver circuit. | 05-15-2014 |
20140139411 | DISPLAY UNIT, METHOD OF MANUFACTURING THE SAME, AND ELECTRONIC APPARATUS - A method of manufacturing a display unit in which the method includes: forming a transistor on a substrate, in which a first direction to be scanned by an ion implantation apparatus intersects with a second direction to be scanned by an Excimer Laser Anneal apparatus; and forming a display element. | 05-22-2014 |
20140168036 | PIXEL CIRCUIT, ELECTRO-OPTIC DEVICE, AND ELECTRONIC APPARATUS - A pixel circuit includes a first light emitting device including a common electrode and a first opposed electrode connected to a first power supply line, and a second light emitting device including the common electrode and a second opposed electrode connected to the second power supply line. A first potential and a second potential are alternately supplied to a first power supply potential supplied to the first power supply line and a second power supply potential supplied to the second power supply line, and thus the first light emitting device and the second light emitting device alternately emit light. | 06-19-2014 |
20140184479 | ORGANIC LIGHT EMITTING DIODE DEVICE AND DISPLAY APPARATUS CORRESPONDING THERETO - The present invention relates to an organic light emitting diode device and a display apparatus corresponding thereto. The organic light emitting diode device comprises a plurality of pixels. Each pixel comprises an organic light emitting unit and a driving unit. The organic light emitting unit is disposed in a displaying region. The driving unit is disposed in a driving region. The driving region overlaps the displaying region and the driving region is smaller than the displaying region. According to the organic light emitting diode device and corresponding display apparatus of the present invention, it is easier to fulfill the organic light emitting diode device with narrow bezel. | 07-03-2014 |
20140253420 | DISPLAY DEVICE, ELECTRO-OPTICAL ELEMENT DRIVING METHOD AND ELECTRONIC EQUIPMENT - The present invention permits a capacitance value of an electro-optical element such as organic EL element to be arbitrarily set without changing the light extraction efficiency of a pixel. That is, the present invention permits a capacitance value Coled of an organic EL element ( | 09-11-2014 |
20140292622 | THIN FILM TRANSISTOR ARRAY SUBSTRATE AND ORGANIC LIGHT-EMITTING DISPLAY DEVICE INCLUDING THE SAME - A thin film transistor array substrate having a pixel arrangement structure includes a first sub-pixel for displaying a first color and a second sub-pixel for displaying a second color alternately located in a first column, and a third sub-pixel for displaying a third color in a second column adjacent to the first column, and via holes of the first through third sub-pixels in a same row are at different positions. | 10-02-2014 |
20140300529 | FOLDABLE DISPLAY DEVICE - A foldable display device includes display panel and a driving circuit on a flexible substrate. The display panel includes at least one bendable area and a flat area. The flat area substantially maintains a same shape when the bendable area is bent. The bendable area has a different configuration of pixels or pixel circuits from the flat area. | 10-09-2014 |
20150009108 | ORGANIC LIGHT-EMITTING DIODE (OLED) DISPLAY - An organic light-emitting diode (OLED) display is disclosed. In one aspect, the OLED display includes a plurality of scan lines extending in a first direction and a plurality of data lines extending in a second direction crossing the first direction. The OLED display also includes a plurality of pixels electrically connected to the scan lines and the data lines and arranged in a plurality of rows and columns, each pixel including an OLED and a thin film transistor electrically connected to the OLED. The OLED display further includes a plurality of driving voltage lines that supply a driving voltage to each of the pixels and extend in the second direction, wherein an active layer of a thin film transistor serpentinely extends along an inclined direction with respect to the second direction. | 01-08-2015 |
20150091786 | Organic Light Emitting Display Device - Disclosed is an organic light emitting display device. The organic light emitting display device includes a white organic light emitting diode (OLED) formed in an emission area of each of a plurality of sub-pixels, a driving thin film transistor (TFT) configured to supply a driving current to the white OLED, a storage capacitor configured to include a first terminal coupled to the driving TFT and a second terminal coupled to an anode electrode of the white OLED, and a color filter formed in the emission area. At least one of a top metal of the storage capacitor and a top metal of the driving TFT is formed to not overlap the color filter. | 04-02-2015 |
20150294622 | Pixel Circuits For Amoled Displays - A system for controlling a display in which each pixel circuit comprises a light-emitting device, a drive transistor, a storage capacitor, a reference voltage source, and a programming voltage source. The storage capacitor stores a voltage equal to the difference between the reference voltage and the programming voltage, and a controller supplies a programming voltage that is a calibrated voltage for a known target current, reads the actual current passing through the drive transistor to a monitor line, turns off the light emitting device while modifying the calibrated voltage to make the current supplied through the drive transistor substantially the same as the target current, modifies the calibrated voltage to make the current supplied through the drive transistor substantially the same as the target current, and determines a current corresponding to the modified calibrated voltage based on predetermined current-voltage characteristics of the drive transistor. | 10-15-2015 |
20150302787 | PIXEL UNIT DRIVING CIRCUIT, DISPLAY SUBSTRATE, DISPLAY PANEL AND DISPLAY DEVICE - The invention provides a pixel unit driving circuit, a display substrate, a display panel and a display device. The pixel unit driving circuit is used for driving a plurality of pixel units, wherein each of the pixel units comprises sub-pixels of different colors. The pixel unit driving circuit comprises a plurality of driving powers corresponding to the sub-pixel of different colors, wherein the sub-pixels of a same color are connected with a same driving power, and each of the driving powers is used for supplying a corresponding driving voltage to the sub-pixels of a color corresponding to the driving power. | 10-22-2015 |
20150325171 | PIXEL CIRCUIT, ORGANIC ELECTROLUMINESCENT DISPLAY PANEL AND DISPLAY DEVICE - A pixel circuit, an organic electroluminescent display panel and a display device are provided. The pixel circuit includes a drive sub-module ( | 11-12-2015 |
20150332626 | DISPLAY UNIT, DISPLAY DRIVING UNIT, DRIVING METHOD, AND ELECTRONIC APPARATUS - It is an object of the disclosure to generate a driving signal having large amplitude at the time of driving pixels, and there is provided a display unit, a display driving unit, a driving method, or an electronic apparatus that includes: a first transistor (Tr | 11-19-2015 |
20160035277 | ORGANIC LIGHT EMITTING DISPLAY DEVICE AND METHOD OF DRIVING THE SAME - When using a flexible substrate to protect and support various components of an organic light emitting display device, among components including driving elements disposed on each of pixels of the organic light emitting display device, components where a high-level signal is applied during an emission period are grouped and are disposed on one side of the pixels. Further, components where a low-level signal is applied during the emission period are grouped and are disposed on the other side of the pixels. Accordingly, an electric field occurring due to a potential difference in the flexible substrate is minimized and shifting of a threshold voltage Vth of a thin-film transistor may be minimized. Thus, an OLED without an after-image can be provided. | 02-04-2016 |
20160035280 | ORGANIC LIGHT EMITTING DISPLAY DEVICE AND METHOD OF DRIVING ORGANIC LIGHT EMITTING DISPLAY DEVICE - An organic light emitting display device includes a display panel, current measuring circuits, and a timing controller. The display panel includes a plurality of pixel blocks. The current measuring circuits measure driving currents of pixels in the pixel blocks. The timing controller adjusts data signals applied to the pixels based on values measured by the current measuring circuits. One of the current measuring circuits measure driving currents of the pixels in a corresponding one of the pixel blocks, and also a driving current of at least one overlapped pixel. | 02-04-2016 |
20160086533 | ARRAY SUBSTRATE AND DISPLAY DEVICE - An array substrate and a display device are provided. The array substrate includes: a gate driving circuit, no pixel electrode layer being provided on a position of the array substrate corresponding to the gate driving circuit, the array substrate being made of a flexible material, wherein, the gate driving circuit is disposed on a position of a central axis of the array substrate and extends along a direction of the central axis; the gate driving circuit is configured for providing a driving signal to a gate line of the array substrate. | 03-24-2016 |
20160086546 | ORGANIC LIGHT-EMITTING DIODE DISPLAY DEVICE - Discussed is an organic light-emitting diode (OLED) display device for providing a signal to control a transistor and a power voltage to drive an OLED by using one signal line. The device according to an embodiment includes a plurality of gate lines and a plurality of data lines crossing each other to define a plurality of pixels, and a OLED and a pixel driving circuit for independently driving the OLED in each pixel. | 03-24-2016 |
20160104425 | ORGANIC LIGHT-EMITTING DISPLAY DEVICE AND DRIVING METHOD THEREOF - An organic light-emitting display device is provided. An organic light-emitting display device, comprising: a first transistor including a gate electrode connected to a scan line, a first electrode connected to a data line and a second electrode connected to a first node; a second transistor including a gate electrode connected to the first node, a first electrode connected to a first power supply voltage and a second electrode connected to a second node; a third transistor including a gate electrode connected to a sensing control line, a first electrode connected to the scan line and a second electrode connected to the second node; and an organic light-emitting element including an anode electrode connected to the second node and a cathode electrode connected to a second power supply voltage. | 04-14-2016 |
20160133190 | ORGANIC LIGHT EMITTING DIODE DISPLAY - An organic light emitting diode display includes: a substrate; a scan line, a first emission control line, and a second emission control line on the substrate; a data line and a driving voltage line crossing the scan line; a switching transistor connected to the scan line and the data line and including a switching drain electrode; a driving transistor including a driving source electrode connected to the switching drain electrode; an organic light emitting diode electrically connected to a driving drain electrode of the driving transistor; an operation control transistor to transmit a driving voltage to the driving transistor; and a first emission control transistor and second emission control transistor to transmit the driving voltage from the driving transistor to the organic light emitting diode, wherein the first emission control line and the second emission control line partially overlap each other. | 05-12-2016 |