3493 patents
Page 16 of 175
Utility
Display Device and Display Driving Method
6 Jul 23
The disclosure relates to a disclosed display device and a display driving method.
SangHyun PARK, Sieun PARK
Filed: 1 Sep 22
Utility
Display Device
6 Jul 23
A display apparatus comprises a substrate including a display area and a non-display area adjacent to the display area, a plurality of pixels disposed in the display area, a gate driver disposed on both sides of the display area in the non-display area, the gate driver comprising a plurality of stages including a first stage and a second stage, and a plurality of gate lines extending from the gate driver to the display area, wherein the plurality of gate lines include a first gate line including a linear portion and coupled to the first stage, and a second gate line including a linear portion and a curved portion and coupled to the second stage, and wherein a size of the second stage may be larger than a size of the first stage.
Min Joo KANG, Suk YANG, Hee Suk PANG, Joo Hwan SHIN
Filed: 8 Dec 22
Utility
Data Transmission/reception Circuit and Display Device Including the Same
6 Jul 23
A display device includes a display panel configured to display an image, a timing controller configured to control the display panel, a memory operating in association with the timing controller, and a data transmission/reception circuit configured to write data to the memory or to read data from the memory under the control of the timing controller, wherein the data transmission/reception circuit includes a transmission direction setting unit configured to set a data transmission/reception path depending on a data transmission period or a data reception period in order to avoid collision between input and output during data transmission/reception.
Byung Jae LEE, A Rom SO
Filed: 17 Oct 22
Utility
Gate Driving Circuit and Display Device
6 Jul 23
According to embodiments of the disclosure, a gate driving circuit and a display device may include four buffer groups for driving 4k scan lines, two common logic units for controlling the four buffer groups, and a common sensing circuit controlling to output a sensing driving scan signal to at least one scan line among the 4k scan lines.
KwangSoo KIM, YongHo KIM, Jaesung PARK
Filed: 15 Dec 22
Utility
Light Emitting Display Device and Driving Method Thereof
6 Jul 23
A light emitting display device includes a display panel including a subpixel, and a driver configured to drive the display panel, and in the subpixel, initialization of both ends of an organic light emitting diode is performed simultaneously with writing of a data voltage.
Jin Woo LEE, Yi Yeon Hwang, Hee Young Chae
Filed: 30 Oct 22
Utility
Display Device
6 Jul 23
A display device is disclosed that includes: a display panel on which a plurality of pixels are disposed; a data driver configured to receive a sensing voltage from a reference voltage line connected to the plurality of pixels, convert the reference voltage into sensing data, and supply the data voltage to the plurality of pixels; a gate driver configured to supply a scan signal to the plurality of pixels; and a timing controller configured to output a data control signal for controlling an output timing of the data voltage and output a gate control signal for controlling an output timing of the scan signal, wherein one of the output timing of the data voltage and the output timing of the scan signal is adjusted based on the sensing data.
MooKyoung Hong
Filed: 31 Oct 22
Utility
Tiling Display Apparatus
6 Jul 23
A tiling display apparatus includes a set board configured to generate a control command signal and a plurality of display modules connected to one another through a first interface circuit based on a serial communication scheme, for executing a target operation corresponding to the control command signal, and the first interface circuit is implemented with a bidirectional serial interface having a feedback loop type between adjacent display modules of the plurality of display modules.
Ho Bum LEE, Dae Sung PARK, Tae Gung KIM
Filed: 29 Oct 22
Utility
Gate Driver and Display Device Using the Same
6 Jul 23
A display device comprises: pixels connected to a power line to which a pixel driving voltage is supplied; data lines that extend in a first direction and are connected to the pixels, the data lines applying data voltages of an image to the pixels; gate lines that are connected to the pixels and extend in a second direction, the gate lines applying gate signals to the pixels; a data driver configured to supply the data voltages to the data lines during a display mode, and to supply sensing data to the data lines during a sensing mode; a gate driver configured to supply the gate signals to the gate lines; and a sensing circuit configured to sense current flowing through the power line that is connected to a subset of pixels from the pixels during the sensing mode, the subset of pixels arranged along the first direction.
Jin Woo Jung, Seung Jin Yoo, Hyun Gi Hong
Filed: 6 Oct 22
Utility
Light Emitting Display Apparatus
6 Jul 23
A emitting display device can include a display panel including a plurality of pixels; a plurality of gate lines configured to supply gate signals to the pixels; and a plurality of stages connected to the plurality of gate lines, and configured to output gate pulses to a group of pixels connected to at least two gate lines among the plurality of gate lines for sensing a characteristic of each pixel among the group of pixels during a sensing period.
Lokdam BAEK, Jeongmin PARK
Filed: 7 Nov 22
Utility
Light Emitting Display Apparatus
6 Jul 23
A light emitting display apparatus includes a gate driver including stages provided in a substrate and a plurality of gate lines connected to the stages.
Subin Kim, Dongik Kim, Youngln Jang
Filed: 4 Nov 22
Utility
Luminance Difference Correction Method and Light Emitting Display Apparatus Using the Same
6 Jul 23
A luminance difference correction method and a light emitting display apparatus using the same is discussed.
YeoMyeong YOON, Li-Jin KIM, HyunJun MIN
Filed: 1 Dec 22
Utility
Tiling Display Apparatus
6 Jul 23
A tiling display apparatus includes a plurality of display modules connected to one another to configure a screen, a set board configured to output an input data enable signal and image data synchronized therewith to one of the plurality of display modules, and first to Nth (where N is a natural number of 3 or more) timing controllers configured for the plurality of display modules, the first to Nth timing controllers are sequentially connected to one another in a first direction through a first interface line based on a cascading scheme and configured to receive the input data enable signal and the image data at different timings which are sequentially delayed and synchronize a display time of the image data on the basis of an independently generated output data enable signal.
Tae Gung KIM, Dae Sung PARK, Chang Woo SEO
Filed: 10 Nov 22
Utility
Display Apparatus and Driving Method Thereof
6 Jul 23
A display apparatus includes a display panel including a sub-display area including an opening and a main display area including no opening, a gate driver supplying a gate signal to the display panel, and a driver controlling the gate driver, wherein the driver separates a sub-clock signal for controlling the sub-display area and a main clock signal for controlling the main display area and varies a pulse width of the sub-clock signal.
Kwang Hee HAN
Filed: 19 Sep 22
Utility
Organic Light Emitting Diode Display Device Including Compensating Unit and Method Driving the Same
6 Jul 23
An organic light emitting diode display device includes: a driving transistor; a first transistor switched according to an nth gate voltage and connected to a data voltage and the driving transistor; a second transistor switched according to an nth initialization voltage and connected to an initial voltage and the driving transistor; a third transistor switched according to an nth sensing voltage and connected to a reference voltage and the driving transistor; a fourth transistor switched according to an (n−2)th sensing voltage and connected to the initial voltage and the driving transistor; a storage capacitor connected to the driving transistor and the first transistor; and a light emitting diode connected to a low level voltage and the driving transistor.
Jeong-Hwan Kim
Filed: 21 Nov 22
Utility
Gate Driving Circuit and Display Device Comprising the Same
6 Jul 23
A gate driving circuit that minimizes output characteristic deviation between a plurality of scan output buffer units, and a display device comprising the gate driving circuit, are discussed.
Sung Ho YUN
Filed: 11 Oct 22
Utility
Display Device
6 Jul 23
A display device includes a display panel including a plurality of pixels connected to a data line and a gate line; a data driver configured to apply a data voltage to the data line for an active period and to apply a parking voltage to the data line for a blank period for which the data voltage is not applied; a gate driver for applying a scan signal to the gate line; a light-emission signal generator for applying a light-emission signal to the plurality of pixels; and a controller configured to operate the display device based on a plurality of bands, wherein the plurality of bands have different highest target luminance levels based on operating environments of the display device, wherein in at least one of the plurality of bands, a duty ratio of the light-emission signal is smaller than a duty ratio of the parking voltage.
Hyunkyo LIM, Dongsup SIM
Filed: 20 Dec 22
Utility
Display Device
6 Jul 23
A display device according to one aspect of the present disclosure includes: a substrate including a display area and a non-display area enclosing the display area; a plurality of pixels disposed in the display area; and a gate driving unit disposed in the non-display area on both sides of the display area and including a plurality of stages.
TaeKeun LEE
Filed: 9 Nov 22
Utility
Gate Driver Circuit, Display Panel and Display Device Including the Same
6 Jul 23
The disclosure relates to a display panel, a display device, and a gate driver circuit.
Soonsung AHN, Chungwan OH, Minsoo PARK
Filed: 28 Dec 22
Utility
Level Shifter and Display Device Including the Same
6 Jul 23
A display device can include a timing controller; a level shifter including a signal input circuit to receive a first clock signal and a second clock signal, a driving mode conversion circuit to self-generate one or more mode signals based on the first and second clock signals for adjusting a driving mode, and a signal output circuit to generate a plurality of scan clock signals based on the one or more mode signals, the first and second clock signals; a shift register configured to generate a scan signal based on the plurality of scan clock signals; and a display panel configured to display an image based on the scan signal.
Lok Dam BAEK, Young Kyu PARK
Filed: 21 Nov 22
Utility
Display Device
6 Jul 23
Disclosed is a display device comprising: a display panel on which a plurality of pixels of different colors are arrayed; a power supply configured to supply a high-potential driving voltage to the display panel; and a data driver configured to calculate an average picture level of input image data, and generate a data voltage based on a compensation value for compensating for a voltage drop of the high-potential driving voltage based on the calculated APL, wherein the compensation value is independently set for each of the colors.
Jongtaek KIM, Chan PARK
Filed: 10 Oct 22