6957 patents
Page 5 of 348
Utility
Electroluminescent display device having large size and high definition
2 Jan 24
An electroluminescent display device includes a plurality of sub-pixels arranged on a substrate along a first direction and a second direction crossing the first direction, and a light-emitting diode disposed in each of the plurality of sub-pixels and including a first electrode, a light-emitting layer and a second electrode, wherein among the plurality of sub-pixels, the sub-pixel of an nth row and an mth column has a same color as the sub-pixel of an (n+1)th row and an (m−1)th column, where n is a natural number and m is a natural number large than 4, and wherein among the plurality of sub-pixels, the sub-pixel of the nth row and a kth column has a same color as the sub-pixel of the nth row and a (k−2)th column, where k is a natural number smaller than or equal to m.
Heume-Il Baek, Ho-Jin Ryu
Filed: 13 Aug 19
Utility
Organic light emitting panel and organic light emitting display device including the same
2 Jan 24
A display panel of an organic light emitting display device includes a buffer layer disposed on a first conductive layer, and including a first contact hole, an active layer disposed on the buffer layer, and including an active pattern and a conductive pattern disposed on the active pattern, a first insulating film disposed on or over the active layer and the buffer layer, and including a second contact hole overlapping with the first contact hole, a second conductive layer disposed on the first insulating film, and contacting the first conductive layer through the first contact hole and the second contact hole, a plate disposed in the same layer as the second conductive layer, and spaced apart from the second conductive layer, and each of the first conductive layer, the active layer, and the plate serves as an electrode of a storage capacitor, thereby implementing a high-capacity storage capacitor for the display panel.
Younghee Lee, HyunHaeng Lee, HyoBin Choi
Filed: 29 Nov 21
Utility
Light emitting display device
2 Jan 24
A light emitting display device includes a lower substrate, a driving transistor positioned on the lower substrate and including a semiconductor layer, a gate electrode, a source electrode, and a drain electrode, and a light shield layer covering a lower surface, an upper surface, and a side surface of the semiconductor layer, for protecting the driving transistor from external light.
Mi-Ae Kim
Filed: 16 Dec 20
Utility
Electroluminescent display device
2 Jan 24
An electroluminescent display device includes a substrate having an emission area and a transparent portion, the emission area including a sub-pixel, and the transparent portion being adjacent to the sub-pixel; a first electrode in the emission area and over the substrate; a transparent connection pattern in the transparent portion and over the substrate, the transparent connection pattern being spaced apart from the first electrode; a first bank covering an edge of the first electrode and exposing the transparent connection pattern in the transparent portion; and a second bank on the first bank and covering the transparent connection pattern in the transparent portion, wherein the second bank includes a transparent conductive material.
Hee-Tae Lim, Ji-Ho Kang, Hak-Min Lee, Hyuk-Chan Gee
Filed: 4 Nov 21
Utility
Light emitting display apparatus including subpixel with two light emission portions
2 Jan 24
A light emitting display apparatus includes a substrate including a subpixel area having a non-light emission portion, a first light emission portion and a second light emission portion; a driving transistor disposed in the non-light emission portion; an overcoat layer disposed on the substrate to overlay the driving transistor; first and second anode electrodes disposed to be spaced apart from each other on the overcoat layer of each of the first light emission portion and the second light emission portion and commonly connected to the driving transistor; a self-light emitting device on the first anode electrode and the second anode electrode; and a second electrode on the self-light emitting device.
Jihyang Jang, Jintae Kim
Filed: 15 Dec 20
Utility
Display device, and method for manufacturing the same
2 Jan 24
A display device includes a display panel including a display area from which an image is output, and the display area includes a camera area overlapping a camera disposed below a rear face of the display panel.
Joonyoung Heo, Kyunghoon Lee
Filed: 4 Aug 21
Utility
Organic light emitting diode and organic light emitting device including the same
2 Jan 24
An organic light emitting diode includes a first electrode; a second electrode facing the first electrode; and an emitting material layer including a first compound and a second compound and positioned between the first and second electrodes.
Tae-Ryang Hong, Hyong-Jong Choi, Bo-Min Seo, Jun-Yun Kim
Filed: 1 Oct 20
Utility
Display panel and display device using the same
2 Jan 24
The present disclosure relates to a display panel and a display device using the same.
Man Hyeop Han, Joung Mi Choi, Seung Taek Oh
Filed: 9 Aug 21
Utility
Optical compensation system, optical compensation method, and display device based on artificial intelligence
2 Jan 24
An optical compensation system based on artificial intelligence according to embodiments of the present disclosure may include a measuring device configured to measure optical characteristics of a display panel, and output measurement result data of the optical characteristics, and an artificial intelligence-based optical compensation controller configured to predict and generate optical compensation result data corresponding to the measurement result data of the optical characteristics based on an artificial intelligence neural network using previous optical compensation result data for at least one other display panel, and store the predicted and generated optical compensation result data in a memory corresponding to the display panel.
Dongjun Choi, SungWoo Shin
Filed: 30 Sep 22
Utility
Gate driver and display device using the same
2 Jan 24
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
Display device
2 Jan 24
A display device includes a display panel including a plurality of pixels, and an image capturing unit disposed below the plurality of pixels, wherein, when the image capturing unit is driven, the display panel is time-divisionally driven by dividing one frame into a plurality of sub-frame sections, and the image capturing unit is synchronized with the display panel to receive different color data for each section of the plurality of sub-frame sections.
Seung Taek Oh, Dong Gun Lee, Bo Yun Jung
Filed: 18 Nov 22
Utility
Pixel circuit and display device including the same
2 Jan 24
A pixel circuit and a display device including the same are disclosed.
Jae Hoon Park, Jae Sung Yu
Filed: 6 Jul 22
Utility
Subpixel circuit, display panel, and display device
2 Jan 24
A subpixel circuit, a display panel, and a display device are disclosed.
CheolSe Kim
Filed: 13 Oct 22
Utility
Pixel circuit for forming a slim bezel
2 Jan 24
A pixel circuit and a display device including the same are disclosed.
Taehwi Kim, Juhnsuk Yoo, Jungchul Kim
Filed: 17 Nov 22
Utility
Gate driver and display device including the same
2 Jan 24
A gate driver may include: a controller to charge and discharge a first control node that pulls up an output voltage and a second control node that pulls down the output voltage; a first output unit having a first pull-up transistor to apply a gate high voltage to an output node in response to a charging voltage of the first control node, and a first pull-down transistor to apply a gate low voltage to the output node in response to a charging voltage of the second control node; and a switch unit to change a current path between a first output node and a first power line to which a high potential voltage is applied or a second power line to which a first clock signal is applied according to a carry signal transmitted from a previous signal transmission unit and a voltage level of the second control node.
Seung Ho Heo, Hun Ki Shin
Filed: 27 Sep 22
Utility
Display device and global dimming control method thereof
2 Jan 24
A display device comprises: a display panel including a first display area comprising a first pixels, and a second display area comprising a second pixels, each pixel including a light emitting element; a data driver circuit configured to output data voltages of an image to the first and second pixels; a gate driver configured to output scan signals to the first and second pixels; and a power supply configured to generate a low-potential power supply voltage that is applied to the light emitting element included in each pixel, the low-potential power supply voltage switching between a first level such that the light emitting element is capable of emitting light, and a second level such that the light emitting element cannot emit light, wherein a frame period of the display device includes an addressing period during which the low-potential power supply voltage switches from the second level to the first level.
Jin Woo Jung, Sang Jin Nam
Filed: 4 Oct 22
Utility
Display apparatus
2 Jan 24
A display apparatus includes an active area, an inactive area surrounding the active area, a pixel disposed in the active area, and a driver IC, a gate driver, a low-potential power supply line, a high-potential power supply line and a subframe controller disposed in the inactive area, wherein the subframe controller is disposed between the pixel and the gate driver.
Donghyun Kim, DongJun Kim
Filed: 9 Dec 22
Utility
Display device having analog-to-digital converter for compensating based on subpixel characteristic
2 Jan 24
A display device includes a reference voltage line electrically connected with a first node and receiving a sensing voltage reflecting a characteristic value of at least one subpixel and an analog-to-digital converter including a second node, receiving the sensing voltage, and outputting a digital value corresponding to the sensing voltage, wherein a voltage level of a driving reference voltage applied to the first node and a voltage level of an analog-to-digital converting reference voltage applied to the second node are changed depending on a level of the sensing voltage, thereby compensating for changes in the characteristic values of subpixels even when abnormal subpixels for which appropriate compensation for changes in characteristic values of subpixels is limited.
Jong-Won Kim
Filed: 29 Jul 22
Utility
Data driver, electroluminescent display apparatus, and driving method thereof
2 Jan 24
An electroluminescent display apparatus can include a display panel including at least one pixel; and a data driver configured to output a data voltage of a first gray level to the at least one pixel in a first refresh frame, output a flicker compensation data voltage to the at least one pixel in a second refresh frame, and output an anode reset voltage to the at least one pixel in at least one anode reset frame arranged between the first refresh frame and the second refresh frame, in which the anode reset voltage is a voltage for turning off a light emitting device included in the at least one pixel, and the flicker compensation data voltage is generated based on applying a weight to a data voltage of a second gray level.
Myung Kook Moon, Hea In Jung, Sang Hun Baek
Filed: 18 Nov 22
Utility
Flexible Display Device and Method of Manufacturing the Same
28 Dec 23
The present disclosure relates to a flexible display device including: a substrate over which a thin film transistor is disposed, an intermediate layer disposed to cover the thin film transistor, a first electrode located on the intermediate layer and connected to the thin film transistor, a bank located on the intermediate layer and the first electrode and defining a first region exposing a part of the intermediate layer, a second region exposing a part of the first electrode, and a third region excluding the first and second regions, a first structure located in the first region defined by the bank and tapered toward the substrate, an organic light emitting layer located on the first electrode exposed in the second region, and a second electrode disposed on the organic light emitting layer.
KyoungMook LEE
Filed: 7 Sep 23