15130 patents
Utility
Terminal and Method for Controlling the Same
18 Jan 24
The terminal may include a touch panel including first electrodes arranged in a first direction and second electrodes arranged in the second direction intersecting the first direction, a display panel attached to the touch panel and to display an image, and a processor to control the touch panel and the display panel.
Yu Na KIM, Keum Dong JUNG, Soo Jung LEE
Filed: 25 Sep 23
Utility
Apparatus for Manufacturing Display Device and Method of Manufacturing Display Device
18 Jan 24
A method of manufacturing a display device includes discharging ink including light emitting elements onto a substrate; applying a first electric field to the substrate to fix the light emitting elements; removing foreign substances from the substrate by using a cleaning device in a state in which the first electric field is applied to the substrate; and releasing application of the first electric field after the removing of the foreign substances from the substrate by using the cleaning device.
Hyung Jun YU, Jong Won KIM, Sung Ho PARK
Filed: 30 May 23
Utility
Display Device and Method of Driving the Same
18 Jan 24
A display device includes a timing controller and a grayscale unit electrically connected to the timing controller.
Tae Seok HA, Woon Rok JANG
Filed: 13 Apr 23
Utility
Display Device
18 Jan 24
A display device includes a substrate having a first surface in which a light-emitting element is disposed, a second surface, and a first lateral side; a connecting electrode disposed on the first surface; a first insulating layer disposed on the connecting electrode and including a contact hole; a first upper pad electrode electrically connected to the connecting electrode, the first upper pad electrode having a first thickness in an area not overlapping the contact hole and having a second thickness in an area overlapping the contact hole; a second upper pad electrode disposed on the first upper pad electrode and having a substantially flat profile; a lower pad disposed on the second surface of the substrate; and a side wiring electrically connecting the second upper pad electrode and the lower pad, the side wiring surrounding the first surface, the first lateral side, and the second surface of the substrate.
Ki Hyun KIM, Young Gil PARK, Won Bong BAEK, Young Uook LEE
Filed: 14 Apr 23
Utility
Display Device
18 Jan 24
A display device includes a plurality of pixels, a power supply, a voltmeter, and a timing controller.
JUNG TAEK KIM, JAE WOO RYU, JOON SUK BAIK, SE KEUN LEE
Filed: 25 Jul 23
Utility
Display Device and Method of Manufacturing the Display Device
18 Jan 24
A display device includes a first conductive layer; a first insulating layer on the first conductive layer; a semiconductor layer disposed on the first insulating layer and electrically connected to the first conductive layer; a second conductive layer disposed on the semiconductor layer and electrically connected to the first conductive layer; and light emitting elements on the second conductive layer.
Dong Hee SHIN, Sun Kwun SON
Filed: 7 Feb 23
Utility
Display Device and Method of Driving the Same
18 Jan 24
A display device includes: a pixel component including pixels; a timing controller configured to calculate a load variation between previous input grayscale values corresponding to a previous frame and current input grayscale values corresponding to a current frame; a current sensor configured to sense a current flowing through the pixels during the current frame and generate a global current value for the sensed current, store time points at which the global current value becomes equal to preset threshold current values, respectively, and generate a global current variation rate corresponding to a section between the stored time points of the current frame; and a scale factor provider configured to control a scale factor in a period of the current frame in the case where the load variation is equal to or more than a reference load variation.
Hyun Sik YOON, Jong Woon KIM, Won Jin SEO, Ki Hyun SUNG, Ye Seul LEE, Dae Ho HWANG
Filed: 8 Feb 23
Utility
Display Device
18 Jan 24
A display device includes a first transistor including a gate electrode, a second transistor including a lower gate electrode, an upper gate electrode, and a first end portion electrically connected to an end portion of the first transistor, a lower gate signal line extending in a first direction, an upper gate signal line disposed on the lower gate signal line and extending in a first direction, and a first connection pattern disposed on the upper gate signal line, electrically connecting the gate electrode and a second end portion of the second transistor, and intersecting the lower gate signal line and the upper gate signal line.
Yun Sik JOO, Seok Je SEONG, Kyung Hyun BAEK, Hyeon Woo SHIN
Filed: 8 Aug 23
Utility
Display Device and Method for Driving the Same
18 Jan 24
A display device includes: a pixel including a light emitting element, a first capacitor connected between a first node and a second node, and a second capacitor connected between the second node and a third node.
BYUNGCHANG YU, Oh-Kyong KWON, KYUNGHOON CHUNG
Filed: 25 Apr 23
Utility
Display Device and Manufacturing Method Thereof
18 Jan 24
An embodiment of the invention provides a display device including: a substrate; a first transistor comprising a first semiconductor layer and a second transistor comprising a second semiconductor layer, the first and second semiconductor layers positioned on the substrate; a light emitting diode connected to the first transistor, wherein: the first transistor is a driving transistor; the second transistor is a switching transistor; a first concentration of fluorine included in the first semiconductor layer is higher than a second concentration of fluorine in the second semiconductor layer; and a first difference between the first and second concentrations substantially at or near a first interface of the first and second semiconductor layers is larger than a second difference between the first and second concentrations at a second interface of the first and second semiconductor layers, the second interface further from the substrate than the first interface.
Hwang Sup SHIN, Suk Hoon KU, Eung Taek KIM, Hee Yeon KIM, Na Lae LEE, Joo Hyeon JO, Jung-Mi CHOI, HONGJUN CHOI
Filed: 16 Jun 23
Utility
Scan Driver
18 Jan 24
A scan driver includes a plurality of stages.
Jae Hoon LEE
Filed: 29 Sep 23
Utility
Low Complexity Optimal Parallel Huffman Encoder and Decoder
18 Jan 24
A memory device includes a memory; and at least one processor configured to: obtain a symbol stream including a plurality of symbols; determine a Huffman tree corresponding to the symbol stream, wherein each symbol of the plurality of symbols is assigned a corresponding prefix code from among a plurality of prefix codes based on the Huffman tree; generate a prefix length table based on the Huffman tree, wherein the prefix length table indicates a length of the corresponding prefix code for each symbol; generate a logarithm frequency table based on the prefix length table, wherein the logarithm frequency table indicates a logarithm of a frequency count for each symbol, generate a cumulative frequency table which indicates a cumulative frequency count corresponding to each symbol; generate a compressed bitstream by iteratively applying an encoding function to the plurality of symbols based on the logarithm frequency table and the cumulative frequency table; and store the compressed bitstream in the memory.
Gregory William COOK
Filed: 7 Sep 22
Utility
Display Device and Electronic Apparatus Including the Same
18 Jan 24
A display device includes: a display panel which includes a plurality of display areas having different pixel densities from each other, where each of the display areas includes a plurality of pixels; a gate driver, which provides a first gate signal and a second gate signal to each of the pixels; and a data driver, which provides data voltages to the pixels in an address-scan period and provides different bias voltages to the display areas, respectively, in a self-scan period following the address-scan period.
MOONSANG HWANG
Filed: 9 Mar 23
Utility
Window and Electronic Device Including the Same
18 Jan 24
A window includes a first glass substrate, a second glass substrate facing the first glass substrate, and a bonding layer disposed between the first glass substrate and the second glass substrate.
CHEOLMIN PARK, BYEONG-BEOM KIM, SEUNG KIM, SEUNGHO KIM, GYUIN SHIM
Filed: 4 May 23
Utility
Pixel and Display Device Including the Same
18 Jan 24
A pixel includes a driving transistor having a gate electrode connected to a first node and connected between a first power line to which a first power voltage is applied and a second node, a first initialization transistor having a gate electrode connected to a first scan line and connected between the second node and a first initialization power line to which a first initialization power voltage is applied, a second initialization transistor having a gate electrode connected to the first scan line and connected between a third node and a second initialization power line to which a second initialization power voltage is applied, a first capacitor connected between the first node and the second node, a second capacitor connected between the first power line and the second node, and a light emitting element connected between the third node and a second power line.
Jae Hoon LEE
Filed: 2 May 23
Utility
Organic Light-emitting Diode Having Color Distances Between Pixel Electrodes and Organic Emission Layers and Light-emitting Display Apparatus Comprising the Same
18 Jan 24
An organic light-emitting display apparatus including; a first pixel electrode, a second pixel electrode, a third pixel electrode; a first lower functional layer, a second lower functional layer, and a third lower functional layer; a first organic emission layer for emitting a first color, a second organic emission layer for emitting a second color, and a third organic emission layer for emitting a third color; an opposite electrode; and a first upper functional layer, a second upper functional layer, and a third upper functional layer respectively disposed between the opposite electrode and the first organic emission layer, the second organic emission layer, and the third organic emission layer and each having a thickness that is equal to or greater than about 1300 Å and less than or equal to about 1800 Å.
Sungwook Kim, Kyungsik Kim, Seulong Kim, Tsuyoshi Naijo, Sungsoo Bae, Dongchan Lee, Hyein Jeong, Hyewon Choi, Seungjin Chu, Jaeweon Hur
Filed: 24 Jul 23
Utility
Display Device
18 Jan 24
A display device includes: a light emitting diode; a driving transistor configured to transmit driving current to the light emitting diode; a bias transistor including an input terminal electrically connected to a bias voltage line; a first light emission control transistor including an output terminal electrically connected to an in put terminal of the driving transistor, and a gate electrode configured to receive a light emission control signal; a second light emission control transistor including an input terminal electrically connected to an output terminal of the driving transistor, and a gate electrode configured to receive the light emission control signal; a bias bridge electrode electrically in contact with each of an output terminal of the bias transistor and the input terminal of the driving transistor; and a first light emission control bridge electrode configured to receive the light emission control signal.
JINSUNG AN, Youngtaek Oh, SUNGHO KIM, YONGJAE KIM, SUGWOO JUNG
Filed: 27 Feb 23
Utility
Display Device
18 Jan 24
A display device includes pixels each including an emission area and a non-emission area.
Do Yeong PARK, Ki Hyun PYO, Kyung Bae KIM
Filed: 6 Jul 23
Utility
Display Device and Driving Method Thereof
18 Jan 24
A display device includes a display panel including a pixel, a temperature sensor which senses a temperature of the display panel and outputs the temperature of the display panel as a sensing temperature, a first compensation part which receives a gate-source voltage sensed in the pixel as a sensing voltage and compensates for the sensing voltage by a change amount of the gate-source voltage corresponding to a difference value between a reference temperature and the sensing temperature, and a second compensation part which compensates for data to be applied to the pixel by comparing a compensated sensing voltage with an initial gate-source voltage.
SEONGHWAN CHOI, HYUN-SIK YOON, MOONJU KIM, JIYOUNG EOM, YONG-JU JEONG
Filed: 17 May 23
Utility
Electronic Device
18 Jan 24
An electronic device includes a display panel including a first area and a second area.
DONGHYUN SON, SOLA LEE, KYUNG HYUN CHOI, KIYOUNG KIM, JONGSEOK KIM
Filed: 12 Jul 23