Abstract: A flexible display includes a plurality of pixel chips, chixels, provided on a flexible substrate. The chixels and the light emitters thereon may be shaped, sized and arranged to minimize chixel, pixel, and sub-pixel gaps and to provide a desired bend radius of the display. The flexible substrate may include light manipulators, such as filters, light converters and the like to manipulate the light emitted from light emitters of the chixels. The light manipulators may be arranged to minimize chixel gaps between adjacent chixels.

Abstract: A light-emitting device comprising an emitting unit including at least two emitting elements, a driving unit configured to control the emitting unit, and a capacitor unit formed over the driving unit. A shield layer may be located between the two emitting elements. In one example, the capacitor unit is formed at a level higher than a level of the driving unit, and a shield layer that is located between the two emitting elements is formed at a level that is higher than the level of the driving unit and equal to or lower than the level of the capacitor unit.

Abstract: There is provided a display device including a light-emitting portion configured to constitute a pixel and emit light by a drive current, a writing transistor configured to write a video signal into pixel capacitance, a driving transistor configured to control the drive current of the light-emitting portion on the basis of the video signal written in the pixel capacitance, a first metal layer configured to constitute a drain and a source of each of the driving transistor and the writing transistor, and a second metal layer configured to constitute a gate of each of the driving transistor and the writing transistor.

Abstract: A source driver apparatus and an operating method thereof are provided. The source driver apparatus can drive a plurality of source lines of a display panel, wherein the display panel further comprising a gate driver apparatus. The source driver apparatus includes driving channels and a delay control circuit. The driving channels output source driving signals. The delay control circuit controls the driving channels to change delay times of the source driving signals within the same period, such that the delay times of the source driving signals respectively correspond to distances from the source lines to the gate driver apparatus.

Abstract: A display panel is disclosed, comprising: a first substrate; a thin film transistor layer disposed on the first substrate; an insulating layer disposed on the thin film transistor layer; at least one pixel electrode disposed on the insulating layer and exposing an exposure region of the insulating layer; and an alignment layer disposed on the pixel electrode and the exposure region; wherein a surface roughness of the alignment layer disposed on the exposure region is larger than a surface roughness of the alignment layer disposed on the pixel electrode.

Abstract: Disclosed is a light modulating apparatus. The light modulating apparatus includes a pixel array including a plurality of pixels, a light modulating device that absorbs or transmit light incident on the pixel array according to an applied voltage, a flip-flop circuit that outputs a first voltage based on a device driving signal indicating a level of a second voltage applied to be applied to the light modulating device, and an amplifier that amplifies the first voltage to generate the second voltage and applies the second voltage to the light modulating device.

Abstract: A display device includes a controller chip and a storage circuit. The controller chip includes a clock generating circuit configured to generate a clock signal. The storage circuit is coupled to the clock generating circuit and includes a first electronic component. In a falling edge of the clock signal, a voltage of the clock signal falls in multiple steps from a system high voltage to a first target voltage and then to a system low voltage, and in a rising edge of the clock signal, the voltage of the clock signal rises in multiple steps from the system low voltage to the first target voltage and then to the system high voltage.

Abstract: A scan line to which a selection signal or a non-selection signal is input from its end, and a transistor in which a clock signal is input to a gate, the non-selection signal is input to a source, and a drain is connected to the scan line are provided. A signal input to the end of the scan line is switched from the selection signal to the non-selection signal at the same or substantially the same time as the transistor is turned on. The non-selection signal is input not only from one end but also from both ends of the scan line. This makes it possible to inhibit the potentials of portions in the scan line from being changed at different times.

Abstract: Provided are a display driving circuit, a driving method thereof and a display apparatus. The display driving circuit comprises a timing sequence control unit (20) and at least one signal driving unit (30) connected to the timing sequence control unit (20). The timing sequence control unit (20) comprises a receiving module (201), a processing module (202) and a sending module (203). The receiving module (201) receives feedback signals (FB) outputted from respective signal driving units (30) to the timing sequence control unit (20); the processing module (202) obtains a maximum delay time after comparing signal delay time of the signal driving units (30) according to the feedback signals (FB); the sending module (203) sends a second clock signal (CLK2) to respective signal driving units (30) according to the maximum delay time such that respective signal driving units (30) receive the second clock signal (CLK2) simultaneously.

Abstract: An array substrate, a manufacturing method thereof and a display device are disclosed. The manufacturing method of an array substrate including: forming patterns including a thin film transistor, a gate wiring and a data wiring on the base substrate; the gate wiring and the data wiring are located in a PAD area; forming patterns of an insulating spacing layer, a first transparent electrode and a passivation layer, and forming a first via hole and a second via hole in areas corresponding to the gate wiring and the data wiring respectively to expose the gate wiring and the data wiring; a thickness of the insulating spacing layer in the PAD area on the array substrate is less than that of the insulating spacing layer in other areas. Therefore, the connection electrode can make better contact with the corresponding signal lines to avoid abnormal rubbing mura.

Abstract: A pixel circuit able to prevent a spread of the terminal voltages of drive transistors inside a panel and in turn able to reliably prevent deterioration of uniformity, wherein a source of a TFT serving as a drive transistor is connected to an anode of a light emitting element, a drain is connected to a power source potential, a capacitor is connected between a gate and source of the TFT, and a source potential of the TFT is connected to a fixed potential through a TFT serving as a switch transistor and wherein pixel circuit lines are connected by an upper line and bottom line and are arranged in parallel with pixel circuit power source voltage lines so as not to have intersecting parts.

Abstract: Provided is a liquid crystal display including: a first insulation substrate; a thin film transistor positioned on the first insulation substrate; a first subpixel electrode positioned on the thin film transistor and to which a first voltage is applied; a second subpixel electrode positioned on the thin film transistor and to which a second voltage is applied; a second insulation substrate facing the first insulation substrate; a common electrode positioned on the second insulation substrate and receiving a common voltage; and a liquid crystal layer disposed between the first insulation substrate and the second insulation substrate, in which the first subpixel electrode includes a plate region and a minute branch region overlapping the plate region with a passivation layer between the plate region and the minute branch region, and the plate region and the second subpixel electrode are positioned on a same layer.

Abstract: A method of driving a pixel element in a matrix of pixel elements includes (1) setting the bias voltage of a first transistor to a value that is substantially close to a threshold voltage of the first transistor by changing a voltage across a first capacitive element with a current passing through the first transistor; (2) setting the bias voltage of the first transistor to a value that is different from the threshold voltage of the first transistor; and (3) causing a change of the bias voltage of the first transistor.

Abstract: The present invention relates to a liquid crystal display device that can prevent shadowing, and a method for driving the device. The device comprises a plurality of switching elements. Display pixels connected to the switching elements are connected in a matrix form. Two data signal lines for writing data signals are respectively provided to display pixels in each column.

Abstract: An EL light-emitting element is driven digitally to reduce power consumption using a pixel having three transistors and two capacitors. A reset transistor for diode connection writes the threshold voltage of the drive transistor onto a coupling capacitor. The data voltage plus threshold voltage is then written onto the gate of the drive transistor. This reduces the amplitude of the data voltage required, further reducing power consumption.

Abstract: A display device is provided that includes a first substrate, a gate wiring formed on the first substrate and extending in a first direction, a data wiring insulated from and crossing the gate wiring and extending in a second direction, and a pixel electrode including a first subpixel electrode to which a first data voltage is applied from the data wiring and a second subpixel electrode to which a second data voltage different from the first data voltage is applied from the data wiring, wherein the first subpixel electrode is surrounded by the second subpixel electrode, and the second subpixel electrode includes a plurality of slit patterns formed in portions thereof which are adjacent to the first subpixel electrode.

Abstract: A display apparatus includes a display panel including a driving part arranged along one side of the display panel, the display panel including a plurality of first gate lines that zigzag across the display in a diagonal direction between the first and second directions by alternately extending in the first and the second directions. The display device includes a first display area and a second display area, pixels within the first display area always receiving gate signals from a driving part connected to an end of the first gate lines. Within the second display area, a second gate lines extending in the first direction may be electrically connected to the first gate lines that relay gate signals to the first gate lines. This results in a reduced peripheral area of the display area, so that many displays can be combined together to produce a single image.

Abstract: A method for characterizing and eliminating the effect of propagation delay on data and monitor lines of AMOLED panels is introduced. A similar technique may be utilized to cancel the effect of incomplete settling of select lines that control the write and read switches of pixels on a row.

Abstract: Provided is a liquid crystal display including: a first substrate; a first subpixel electrode which is positioned on the first substrate, to which a first voltage is configured to be applied, and which includes first and second subregions; a second subpixel electrode which is positioned on the first substrate, to which a second voltage is configured to be applied, and which includes a third, fourth, and fifth subregions; an insulating layer which is positioned on the first subregion and the third subregion and positioned below the second subregion and the fourth and fifth subregions; a second substrate facing the first substrate; a common electrode which is positioned on the second substrate and to which a common voltage is configured to be applied; and a liquid crystal layer positioned between the first substrate and the second substrate, in which the first subregion and the fourth subregion overlap with each other.

Abstract: Provided are a display device and a method of manufacturing same, whereby deterioration in image display quality due to display unevenness or shadowing is avoided. An open region is disposed in a source driver mounting region in a position thereof that corresponds to a remaining output region 15 of a source driver 4. Next, a common signal line 30, which connects an FPC connecting region 19 to a common transfer electrode 20a, is formed passing through the open region. It is thus possible to shorten the length of the common signal line 30, and to position the common transfer electrode 20a in a desired location. Consequently, variation in the common signal lag for each position on a common electrode is mitigated, making it possible to minimize image display unevenness. The width of the open region is also increased, allowing the width of the common signal line 30 to also be increased. Consequently, the load on the common signal line 30 can be reduced.

Abstract: A light emitting diode module includes a light emitting unit and a light emitting diode circuit. The light emitting diode circuit includes four transistors and a storage capacitor. A first transistor includes a first end for receiving a data signal, and a control end. The storage capacitor has a first end coupled to a second end of the first transistor. A second transistor has a first end coupled to a first voltage source, and a control end. A third transistor has a first end coupled to a second end of the second transistor, and a control end coupled to a second end of the storage capacitor. A fourth transistor has a first end coupled to the second end of the storage capacitor, a control end, and a second end coupled to the second end of the second transistor.

Abstract: This relates to an enable driver circuit for an LED drive. In some examples, the enable driver circuit may sense an input of the LED driver and enable the LED driver when a conduction angle of the input is greater than a threshold value after a set amount of line cycles of the input of the LED driver have occurred. If the conduction angle is not greater than the threshold after the set amount of line cycles, the enable driver circuit may not enable the LED driver and power may not be delivered to the LED load. In some examples, the enable driver circuit may further enable the LED driver if the conduction angle of the input increases by a certain amount and the resultant conduction angle is greater than the threshold, regardless of the number of line cycles of the ac input voltage that have occurred.

Abstract: In one aspect of the invention, a driving circuit has a PCB, a transmitter disposed on the PCB for providing an input signal, first and second transmission lines disposed on the PCB and electrically coupled to the transmitter for transmitting the input signal, and a plurality of source drivers formed in a COF architecture disposed between the PCB and the display panel. The input signal is an encoded signal including first and second Gamma reference voltages control signals, and image data. The first and second Gamma reference voltages are transmitted by the PLC technology through the first and second transmission lines, respectively. The driving circuit is implemented with differential transmission of the Gamma voltages, the image data and the control signals.

Abstract: Devices, structures, materials and methods for vertical light emitting transistors (VLETs) and light emitting displays (LEDs) are provided. In particular, architectures for vertical polymer light emitting transistors (VPLETs) for active matrix organic light emitting displays (AMOLEDs) and AMOLEDs incorporating such VPLETs are described. Porous conductive transparent electrodes (such as from nanowires (NW)) alone or in combination with conjugated light emitting polymers (LEPs) and dielectric materials are utilized in forming organic light emitting transistors (OLETs). Combinations of thin films of ionic gels, LEDs, porous conductive electrodes and relevant substrates and gates are utilized to construct LETs, including singly and doubly gated VPLETs. In addition, printing processes are utilized to deposit layers of one or more of porous conductive electrodes, LEDs, and dielectric materials on various substrates to construct LETs, including singly and doubly gated VPLETs.

Abstract: A display driving apparatus and driving method thereof are disclosed. The display driving apparatus includes a display panel and a display driver. The display panel has a plurality of pixels, and the pixels are arranged in an array. The pixels are divided into a plurality of first display regions and a plurality of second display regions, and each of the first display regions and each of the second display regions are arranged in the display panel alternately. The display driver provides a plurality of driving signals for driving the first and second display regions. The driving polarities of the neighboring first display regions are different, and the driving polarities of the neighboring second display regions are different.

Abstract: A display device (1) in accordance with an embodiment of the present invention includes: an LCD driving section (20) and an LCD controller (30) for causing an image based on an image signal to be displayed on an LCD (10); and a CPU (40) for supplying an image signal to the LCD controller (30), the LCD controller (30) being configured to supply, to the CPU (40), a control signal that instructs the CPU (40) to supply an image signal, and the CPU (40) being configured to supply an image signal in a case where the CPU (40) receives a control signal.

Abstract: Disclosed is a display unit driving device which has a reduced power consumption rate. The display unit displays an image in response to a video data signal which is constituted by a plurality of frames each including a data scanning period and a blanking period. The driving device stops power supply to a data driver for a predetermined power stop period within the blanking period. The data driver applies pixel drive voltages respectively corresponding to luminance levels of each pixel based on the video data signal to multiple data lines of the display device in each horizontal scanning cycle within the data scanning period.

Abstract: An array substrate and a display panel are disclosed. The array substrate comprises a plurality of first pixel units and a plurality of second pixel units. The first pixel units and the second pixel units are disposed interlaced. A first input terminal of a driving circuit of a sub-pixel unit of each of the first pixel unit receives a first pulse signal, and a second input terminal of the driving circuit of the sub-pixel unit of each of the first pixel unit receives a second pulse signal. The phases of first pulse signal and the second pulse signal are reversed, making the first pixel units and the second pixel units to be driven alternatingly. Power efficiency is increased and the life of a pixel unit is prolonged.

Abstract: Techniques and mechanisms for providing an enhanced display of video content. In an embodiment, analysis of one or more frames of audio-video (AV) information is performed to identify first video data as representing smooth image content, where second video data represents edge image content. Based on the identifying of the first video data, enhancement processing is performed to selectively apply a noise component to the first video data. Of the first video data and the second video data, the enhancement processing modifies only the first video data. In another embodiment, a refresh rate for displaying a sub-portion of a magnified image is selectively set based on the first video data being identified as representing smooth image content. Enhancement with selective noise and/or refresh rate variation improves perceived resolution of smooth image content, as seen by a viewer of the resulting image.

Abstract: A booster circuit for liquid crystal pixel data includes first, second and third signal control switches and a first storage capacitor. The first signal control switch is ON through a driving of a first control pulse and electrically coupled to a data voltage. The second signal control switch is ON through a driving of the first control pulse and electrically coupled to a reference voltage. The third signal control switch is ON through a driving of a second control pulse and electrically coupled to the data voltage. The first storage capacitor includes two terminals. The first storage capacitor has its first terminal electrically coupled to the reference voltage through the second signal control switch and electrically coupled to the data voltage through the third signal control switch and its second terminal electrically coupled to the data voltage through the first signal control switch and for providing an output voltage.

Abstract: An object is to enable application of forward/reverse voltage to or forward/reverse current to a display element and to lower power consumption of a driver circuit for driving a pixel. A memory storing the potential of a source signal line input through a switch, a first transistor whose gate is supplied with one output of the memory, a second transistor whose gate is supplied with the other output of the memory, a display element electrically connected to one of a source a drain of a first transistor and one of a source and a drain of a second transistor, a power source line electrically connected to the other of the source and the drain of the first transistor and the other of the source and the drain of the second transistor, and a counter power source electrically connected to the display element are included.

Abstract: A display panel includes a switch control circuit, a first pre-charge switch circuit and a second pre-charge switch circuit. The switch control circuit is used for comparing the most significant bits (MSBs) of data signals to generate switch control signals for controlling the first and second pre-charge switch circuits, such that data lines are pre-charged through the first and second pre-charge switch circuits respectively. A method for driving a display panel is also provided herein.

Abstract: In a linked waveform update mode, an impulse-driven, particle-based electrophoretic display may be updated using a first waveform and then automatically up-dated using a second drive scheme when the update using the first waveform finishes. The display may be automatically up-dated using a third drive scheme when the update using the second drive scheme finishes. The automatic updating using a subsequent drive scheme may be interrupted if the desired display states for the region changes after performing the first update. Waveforms may be selected using: (a) the desired display state of a pixel if the desired display state is a valid display state for the specified drive scheme, or (b) a mapped display state of the pixel if the desired display state is an invalid display state for the drive scheme.

Abstract: Mapping logic information associating a particular type of input with a particular response may be stored in memory. Data including information regarding a display of the host device may be received. Such information may be used to identify multiple descriptions of the host device display. Each description is mapped to a response based on the stored mapping logic. For example, a status bar may be used by the host device to show status updates. The map allows for a different type of response to status updates on the client device, such as a translucent pop-up window. Instructions may be generated for the client device, such that the client device response to input information is based on the mapped description.

Abstract: The switch signaling methods providing improved switching between representations for adaptive HTTP streaming described herein enable user experience and bandwidth efficiency improvements for adaptive HTTP streaming solutions, even when segment data is encrypted. The signaling methods include associating segment maps with segments of a representation, wherein a segment map comprises both temporal entry and temporal exit points within associated segments together with byte offset information and potentially other segment information, wherein segment maps may be generated with predictable time span patterns that are independent of the time spans of the associated segments. These embodiments can be used to enhance existing deployments in such a way that there is no need to change existing content encoding and formatting processes, and such that existing clients that receive and play out content are unaffected.

Abstract: A liquid crystal display device of the present invention is provided with: an array substrate (10) in which a pixel electrode (41), a TFT (20), and a storage capacitor element (30) are provided for each pixel (P); an opposite substrate (50) in which a plurality of common electrodes (59A, 59B) are provided for each pixel (P); a liquid crystal layer (81); and a driver circuit (4) that dividedly drives the liquid crystal layer (81) of each pixel (P) through each of the common electrodes (59A, 59B) by supplying a predetermined potential to each pixel electrode (41) and supplying different potentials to the respective common electrodes (59A, 59B) in each pixel (P). The liquid crystal display device according to the present invention has improved viewing angle dependency of the gamma characteristics, while increasing the aperture ratio of each pixel.

Abstract: A resistive-switching memory (ReRAM cell) has a current-limiting electrode layer that combines the functions of an embedded resistor, an outer electrode, and an intermediate electrode, reducing the thickness of the ReRAM stack and simplifying the fabrication process. The materials include compound nitrides of a transition metal and one of aluminum, boron, or silicon. In experiments with tantalum silicon nitride, peak yield in the desired resistivity range corresponded to ˜24 at % silicon and ˜32 at % nitrogen, believed to optimize the trade-off between inhibiting TaSi2 formation and minimizing nitrogen diffusion. A binary metal nitride may be formed at one or more of the interfaces between the current-limiting electrode and neighboring layers such as metal-oxide switching layers.

Abstract: An organic light-emitting display apparatus includes a substrate; a device/wiring layer formed on the substrate, including a plurality of thin film transistors (TFTs); an emitting layer formed on the device/wiring layer, including a lower electrode of a capacitor and a plurality of organic light-emitting diodes (OLEDs); an encapsulating layer formed to cover the emitting layer; and an upper electrode of the capacitor formed on the encapsulating layer.

Abstract: A drive method of a display device includes the steps of: performing threshold voltage cancel processing at least once, which changes a potential of a second node of a display device toward a potential obtained by subtracting a threshold voltage of a drive transistor from a potential of a first node by applying a given drive voltage to one source/drain region of the drive transistor from a feeding line while maintaining the potential of the first node; and then, performing writing processing which applies a video signal to the first node from a data line through a write transistor, wherein the sum of lengths of periods in which the threshold voltage cancel processing is performed is so set as to be shorter as a frame frequency becomes higher.

Abstract: A liquid crystal panel, a scanning circuit and a method for generating angle waves are provided. A scanning circuit for generating angle waves includes a scanning module and a plurality of angle wave modules. The scanning module has a plurality of scan output ends for outputting scan driving signals respectively in order, wherein the scan driving signal includes a first voltage and a second voltage. The angle wave modules are electrically connected to the scan output ends respectively in order; wherein a second output end of each angle wave module is electrically connected a first output end of next one of the angle wave modules, whereby a part of electrical energy received by the second output end of the angle wave modules is transmitted to the first output end of the next one of the angle wave modules.

Abstract: An apparatus and method for driving an image display device are disclosed. The disclosed driving apparatus and method achieve synchronous driving of driving integrated circuits for driving an image display panel, through internal generation of drive control signals, thereby preventing a degradation in picture quality caused by erroneous driving timing while achieving an enhancement in product reliability. The driving apparatus includes a display panel, which includes a plurality of pixel regions, to display an image, a plurality of data integrated circuits, which share at least one of synchronizing signals internally generated therefrom, generate gate and data control signals in accordance with the shared synchronizing signal, and drive data lines of the display panel, using the internally-generated data control signals, and a gate driver for driving gate lines of the display panel in accordance with the gate control signal generated from one of the plural data integrated circuits.

Abstract: A source driving system includes first and second source driving integrated circuits. The first driving integrated circuit includes a first source driver for receiving first display data and driving pixels in a first block of a display panel according to the first display data. The second source driving integrated circuit includes a second source driver electrically connected to the first source driver for receiving second display data and driving pixels in a second block of the display panel according to the second display data. The first and the second source drivers generate first and second display parameters according to the first and the second display data respectively. The second display parameter is transmitted from the second source driver to the first source driver. The first source driver generates a third display parameter according to the first and second parameters and transmits the third display parameter to the second source driver.

Abstract: The present invention provides a display panel and a 3D display device. The display panel comprising: a first substrate comprising multiple data lines, multiple scan lines, and multiple pixel units, wherein the pixel unit comprising three sub-pixel units, and each of the sub-pixel units electrically connects to the same data line sequentially, and each of the sub-pixel units electrically connects to the corresponding scan line, and the scan line corresponding to at least one of the sub-pixel unit and the scan line corresponding to the first sub-pixel unit of the adjacent next pixel unit are disposed side by side; and a second substrate disposed correspondingly to the first substrate and comprising a first black matrix disposed correspondingly to the scan lines.

Abstract: A brightness distribution of light emitted from one specific light source and outputted from the light outputting part of a light-guide part has a characteristic of having a mountain-shaped distribution increasing from a position of the specific light source, then reaching a maximum value, and then decreasing with distance from a specific light source, and a light source adjacent to the specific light source is disposed at a position where a brightness distribution decreases from the maximum value of the brightness distribution.

Abstract: A display panel includes a switch control circuit, a first pre-charge switch circuit and a second pre-charge switch circuit. The switch control circuit is used for comparing the most significant bits (MSBs) of data signals to generate switch control signals for controlling the first and second pre-charge switch circuits, such that data lines are pre-charged through the first and second pre-charge switch circuits respectively. A method for driving a display panel is also provided herein.

Abstract: An organic light emitting diode (OLED) display according to an exemplary embodiment of the present invention includes: a switching transistor configured to perform a switching operation according to a scan signal; a driving transistor configured to supply a driving current according to a data signal transmitted according to the switching operation of the switching transistor; an organic light emitting element electrically connected with the driving transistor and configured to emit light according to the driving current; a resistor having a first end connected with an anode of the organic light emitting element; and a bypass wire connected with a second end of the resistor.

Abstract: To reduce a pseudo contour which occurs when displaying by a time gray scale method. When gradation is expressed with an n bit, bits each of which is shown by a binary of the gray scales are divided into three bit groups, and one frame is divided into two subframe groups. Then, a (0<a<n) subframes corresponding to bits belonging to a first bit group are divided into three or more, each about half of which is arranged in each subframe group; b (0<b<n) subframes corresponding to bits belonging to a second bit group are divided into two, each one of which is arranged in each the subframe group; and c (0?c<n and a+b+c=n) subframes corresponding to bits belonging to a third bit group are arranged in at least one of the subframe groups. And then, an overlapped time gray scale method is applied in each subframe group to express gradation.

Abstract: A driving circuit includes m×n TFT pixel units, a gate driver, a source driver, m scan lines and 2n data lines. Every row of TFT pixel units is connected to a scan line, and the m scan lines are connected to the gate driver which provides m rows of the TFT pixel units with scan signals through the m scan lines. A first data line and a second data line are set up to every column of the TFT pixel units. Odd-numbered rows of the TFT pixel units are connected to the first data line, and even-numbered rows of the TFT pixel units are connected to the second data line. The first and the second data lines are connected to one source driving chip set up in the source driver through a first switch unit and a second switch unit respectively. The driving circuit can reduce power consumption of the LCD panel, decline of number of source driving chips applied, and reduce production cost.

Abstract: A thin film transistor (TFT) that includes a control electrode, a semiconductor pattern, a first input electrode, a second input electrode, and an output electrode is disclosed. in one aspect, the semiconductor pattern includes a first input area, a second input area, a channel area, and an output area. The channel area is formed between the first input area and the output area and overlapped with the control electrode to be insulated from the control electrode. The second input area is formed between the first input area and the channel area and doped with a doping concentration different from a doping concentration of the first input areas. The second input electrode makes contact with the second input area and receives a control voltage to control a threshold voltage.

Abstract: A display apparatus includes a pixel unit in which pixels are arranged in a matrix pattern; and a driving circuit for driving the pixel unit. Each of the pixels includes a signal level holding capacitor; a first transistor that is turned on/off in response to a writing signal and via which one end of the signal level holding capacitor is connected to a signal line; a second transistor having one end of the signal level holding capacitor connected to a gate thereof and the other end of the signal level holding capacitor connected to a source thereof; a current-driven self-light-emitting element whose cathode is held at a cathode potential and whose anode is connected to the source of the second transistor; a third transistor that is turned on/off in response to a driving pulse signal; and a fourth transistor that is turned on/off in response to a control signal.