Patents Assigned to Samsung Display Co., Ltd.
  • Patent number: 11984470
    Abstract: A light-emitting diode includes a first semiconductor region having a first conductive type; a second semiconductor region having a second conductive type; and an active layer disposed between the first semiconductor region and the second semiconductor region and including phosphorus (P). The light-emitting diode has a rod shape, the second semiconductor region includes a first semiconductor layer, a second semiconductor layer, and a third semiconductor layer, which are sequentially stacked, the first semiconductor layer is disposed between the active layer and the second semiconductor layer, and the second semiconductor layer includes a compound represented by AlGaInP and satisfying Equation 1.
    Type: Grant
    Filed: December 5, 2019
    Date of Patent: May 14, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Keun Kyu Song, Jung Hong Min, Dae Hyun Kim, Dong Uk Kim, Hyun Min Cho
  • Patent number: 11983366
    Abstract: A display device includes a display panel configured to display an image, and an input sensing layer disposed on the display panel. The input sensing layer includes a sensing insulating layer disposed on the display panel and a conductive layer disposed on the sensing insulating layer. The conductive layer includes a barrier layer disposed directly on the sensing insulating layer and including metal nitride and a main conductive layer disposed on the barrier layer.
    Type: Grant
    Filed: December 16, 2021
    Date of Patent: May 14, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Gyungmin Baek, Hyuneok Shin
  • Patent number: 11984537
    Abstract: A display device includes a substrate; a first circuit part and a second circuit part on the substrate and spaced from each other in a first direction; and an emission part between the first circuit part and the second circuit part, the emission part being located between the first circuit part and the second circuit part in a direction parallel to the substrate, wherein the first circuit part includes a first electrode extending to the emission part, wherein the second circuit part includes a second electrode extending to the emission part, and wherein the emission part includes a light emitting element located between the first electrode and the second electrode.
    Type: Grant
    Filed: March 1, 2021
    Date of Patent: May 14, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Su Bin Bae, Yun Jong Yeo, Jung Yun Jo
  • Patent number: 11985875
    Abstract: A display panel is disclosed that includes a substrate, a first initialization voltage line, and a second initialization voltage line. The substrate includes a display area and a peripheral area. The first initialization voltage line is arranged in the display area and includes a first vertical voltage line and a first horizontal voltage line. The second initialization voltage line includes a second vertical voltage line and a second horizontal voltage line overlapping the first horizontal voltage line in a plan view. Each of the plurality of pixels includes a first sub-pixel configured to emit light of a first color, and a second sub-pixel configured to emit light of a second color. The first initialization voltage line is configured to transmit a first initialization voltage to one electrode of a light-emitting diode of the first sub-pixel. The second initialization voltage line is configured to transmit a second initialization voltage to one electrode of a light-emitting diode of the second sub-pixel.
    Type: Grant
    Filed: May 24, 2023
    Date of Patent: May 14, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Kiwook Kim, Wonkyu Kwak, Kwangmin Kim, Yangwan Kim
  • Patent number: 11983039
    Abstract: A display device includes a curved plastic substrate, a display element layer over a first surface of the plastic substrate, a thin film encapsulation layer over the display element layer, a light absorption layer curved in conformity with the plastic substrate, the light absorption layer being over a second surface of the plastic substrate, the second surface being opposite to the first surface, a cushion layer over a fourth surface of the light absorption layer, a third surface of the light absorption layer facing the plastic substrate, and the fourth surface of the light absorption layer being opposite the third surface, and an electrostatic shielding layer over the cushion layer, at least one of the cushion layer and the electrostatic shielding layer has a cut pattern in a thickness direction thereof.
    Type: Grant
    Filed: October 22, 2021
    Date of Patent: May 14, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Jaechun Park, Woosong Kim, Kyujin Cho
  • Patent number: 11985879
    Abstract: A display panel includes a first unit pixel including a first pixel electrode for emitting red light, a first pixel electrode for emitting blue light, and a first pixel electrode for emitting green light. A second unit pixel neighbors the first unit pixel and includes a second pixel electrode for emitting red light, a second pixel electrode for emitting blue light, and a second pixel electrode for emitting green light. The first unit pixel further includes a first red emission layer disposed on the first pixel electrode for emitting red light. The second unit pixel further includes a second red emission layer disposed on the second pixel electrode for emitting red light. The first red emission layer is spaced apart from the second red emission layer in the first direction.
    Type: Grant
    Filed: May 5, 2023
    Date of Patent: May 14, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Sunghwan Kim, Chulkyu Kang, Soohee Oh, Dongsun Lee
  • Patent number: 11984069
    Abstract: A image sticking compensating device according to example embodiments includes a degradation calculator configured to calculate a degradation weight based on input image data, and to calculate degradation data of a frame, an accumulator configured to accumulate the degradation data, and to generate age data using the accumulated degradation data, and a compensator configured to determine a grayscale compensation value corresponding to the age data and an input grayscale of the input image data, and to output age compensation data by applying the grayscale compensation value to the input image data.
    Type: Grant
    Filed: October 17, 2022
    Date of Patent: May 14, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventor: Sang-Myeon Han
  • Patent number: 11985880
    Abstract: A display device includes: a first substrate including a display area to emit a light having a peak wavelength from light emitting areas and a non-display area surrounding the display area; and a second substrate including transparent areas overlapping the light emitting areas and to convert the peak wavelength of the light or to transmit the light through the transparent areas. The second substrate includes: a base layer including the transparent areas, an inner light blocking area arranged between the transparent areas, and an outer light blocking area arranged outside the transparent areas; a color filter on the base layer; and a light blocking layer above the color filter and including an outer light blocking layer overlapping the outer light blocking area and an inner light blocking layer overlapping the inner light blocking area.
    Type: Grant
    Filed: December 21, 2020
    Date of Patent: May 14, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Ji Seong Yang, Kang Uk Kim, Seon Uk Lee
  • Patent number: 11984548
    Abstract: A display device includes a plurality of pixels including alignment electrodes and light emitting elements disposed between the alignment electrodes, and the alignment electrodes including outer alignment electrodes and center alignment electrodes disposed between the outer alignment electrodes. A distance between the center alignment electrodes is different from a distance between the center alignment electrodes and the outer alignment electrodes.
    Type: Grant
    Filed: May 17, 2021
    Date of Patent: May 14, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Won Ho Lee, Buem Joon Kim, Jong Hyuk Kang, Hyun Deok Im, Eun A Cho
  • Patent number: 11985882
    Abstract: Disclosed are display panels and methods of fabricating the same. The display panel includes a base substrate having a pixel area and a peripheral area adjacent to the pixel area, a light emitting element on the base substrate to generate a first light and overlapping the pixel area, a light control layer on the light emitting element to convert the first light into a white light, and a color filter layer on the light control layer and includes a first color filter that allows penetration of the first light, a second color filter that allows penetration of a second light different from the first light, and a third color filter that allows penetration of a third light different from the first light and the second light.
    Type: Grant
    Filed: September 7, 2022
    Date of Patent: May 14, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Baek Hee Lee, Minwoo Kim, Jaejin Lyu, Donghee Lee, Junwoo Lee, Taekjoon Lee, Hyung-Il Jeon
  • Patent number: 11985889
    Abstract: An organometallic compound and an organic light-emitting device including the same. The organometallic compound is represented by Formula 1. In Formula 1, the substituents are the same as described in the detailed description of the current disclosure.
    Type: Grant
    Filed: April 13, 2021
    Date of Patent: May 14, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hyunjung Lee, Soobyung Ko, Sungbum Kim, Eunsoo Ahn, Eunyoung Lee, Jaesung Lee
  • Patent number: 11985893
    Abstract: An organic electroluminescence device of an embodiment includes a first electrode, a second electrode, and an emission layer between the first electrode and the second electrode and containing an aromatic compound, wherein the aromatic compound includes a benzene ring, two unsubstituted carbazole groups directly bonded to the benzene ring, two substituted carbazole groups directly bonded to the benzene ring and each substituted with a nitrogen-containing ring group, and a substituent directly bonded to the benzene ring and selected from a cyano group, a fluorine, or a C1-C10 alkyl group substituted with a fluorine. The organic electroluminescence device may obtain good luminous efficiency and long life (long lifespan) characteristics while emitting blue light.
    Type: Grant
    Filed: July 20, 2020
    Date of Patent: May 14, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventor: Keigo Hoshi
  • Patent number: 11983374
    Abstract: A touch sensor may include a substrate and may include electrode units, first demultiplexers, second demultiplexers, and driving pads all located on the substrate. The electrode units each may include a plurality of electrode groups, the electrode groups each including a plurality of touch electrodes. The first demultiplexers each may include a plurality of sub-demultiplexers and each may be electrically connected to a corresponding one of the electrode units. Each of the sub-demultiplexers of a first demultiplexer may be electrically connected to a corresponding one of the electrode groups of a corresponding electrode unit. The second demultiplexers may be connected between the first demultiplexers and the driving pads.
    Type: Grant
    Filed: May 1, 2023
    Date of Patent: May 14, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Hwa Jeong Kim, Jae Sic Lee, Na Yun Kwak, Dong Hwan Kim, Seung Woo Sung, Min Kyu Woo, Min Ku Lee, Seong Jun Lee, Sang Jin Pak, Sang Hyun Jun
  • Patent number: 11984368
    Abstract: A display device includes a light emitting area and a sub-area disposed at a side of the light emitting area, a measurement area disposed in the sub-area, measurement patterns and a first electrode extension portion being disposed in the measurement area, a first electrode and a second electrode that are disposed in the light emitting area and spaced apart from each other, and face each other, a first insulating layer disposed on the first electrode and the second electrode, at least a part of the first insulating layer being disposed on the first electrode extension portion, and at least one light emitting element having ends disposed on the first electrode and the second electrode in the light emitting area. The measurement area includes a first measurement area in which a first measurement hole exposing a part of an upper surface of the first electrode extension portion is disposed.
    Type: Grant
    Filed: June 17, 2021
    Date of Patent: May 14, 2024
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Seung Cheol Ko, Young Suk Lee, Yong Jun Park
  • Patent number: 11984086
    Abstract: Provided is a display device comprising at least one sensing pixel including a sensing pixel circuit, a sensing unit including sensing circuit, and a temperature output unit to calculate a temperature of the display panel based on the sensing data. The sensing data is generated from a sensing pixel including a driving transistor in which a current generated according to temperature varies, and a temperature is measured from the sensing data.
    Type: Grant
    Filed: March 22, 2023
    Date of Patent: May 14, 2024
    Assignee: Samsung Display Co., Ltd.
    Inventors: Tae Hyeong An, Jae Hoon Lee, Byung Ki Chun
  • Publication number: 20240155925
    Abstract: Provided are a display apparatus and a method of manufacturing the display apparatus. The display apparatus includes a display panel including a display area, transparent partitions disposed over the display panel, in the display area, a first layer surrounding a side surface of each of the transparent partitions and including an oxide of a first light-absorbing material, a second layer surrounding a side surface of the first layer and including the first light-absorbing material, and a third layer surrounding a side surface of the second layer, including the oxide of the first light-absorbing material, and having a uniform thickness.
    Type: Application
    Filed: July 24, 2023
    Publication date: May 9, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Hyuneok Shin, Joonyong Park, Juhyun Lee
  • Publication number: 20240150645
    Abstract: Embodiments provide a method of manufacturing a quantum dot-containing complex that includes preparing quantum dots, reacting the quantum dots with a first ligand, and reacting a resultant product of the reaction between the quantum dots and the first ligand with a second ligand, wherein the first ligand is a compound having a pKa value less than or equal to about 8, and the second ligand is a compound having a pKa value greater than about 8.
    Type: Application
    Filed: May 30, 2023
    Publication date: May 9, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventors: Jaebok Chang, Kyungsig Lee, Seunghee Jang, Seihwan Ahn, Sanghee Yu
  • Publication number: 20240155923
    Abstract: A display device includes a light emitting area and a non-light emitting area, a light emitting element disposed in the light emitting area on a substrate and including a pixel electrode, a light emitting layer, and an upper electrode, the pixel electrode, light emitting layer, and upper electrode being sequentially disposed, a light blocking layer disposed on the light emitting element in the non-light emitting area, and a reflection control layer disposed on the light emitting element, covering the light blocking layer, and including a recess depressed concavely from an upper surface in the light emitting area.
    Type: Application
    Filed: July 18, 2023
    Publication date: May 9, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: MIHWA LEE, HYEOJI KANG, OHJEONG KWON, TAEHO KIM, HONGYEON LEE, SUNGGYU JANG, SEUNGYEON JEONG
  • Publication number: 20240155934
    Abstract: A display device includes a support plate including a first area and a second area changed depending on a switch of an operation mode, and a display panel including first and second display areas respectively overlapping first and second areas. The second display area includes a first partial area including a pixel circuit of a first group, a pixel circuit of a second group, and a first light emitting device electrically connected to the pixel circuit of the first group or the pixel circuit of the second group, and second partial areas each including a second light emitting device electrically connected to the pixel circuit of the first group or the pixel circuit of the second group. The pixel circuit of the second group includes a first partial circuit and a second partial circuit, with a corresponding second partial area among the second partial areas therebetween.
    Type: Application
    Filed: August 10, 2023
    Publication date: May 9, 2024
    Applicant: Samsung Display Co., Ltd.
    Inventor: JONGHYUN CHOI
  • Publication number: 20240153459
    Abstract: A display device includes a display panel including a pixel and a sensor pixel, the pixel including a light emitting element and a driving transistor controlling a current flowing through the light emitting element, the sensor pixel including sensor transistors, a data driver that supplies a data signal to the pixel through a data line and provides a sensor data signal to the sensor pixel through a sensor data line, and a sensing driver that obtains sensing information on a current flowing through the sensor pixel. The sensor transistors are electrically connected in parallel to each other and are commonly electrically connected to the sensor data line. The sensor transistors and the driving transistor include a substantially same characteristic.
    Type: Application
    Filed: November 2, 2023
    Publication date: May 9, 2024
    Applicant: Samsung Display Co., LTD.
    Inventors: Byung Ki CHUN, Ji Hyun KA, Min Seok BAE, Chang Bin IM, Chae Han HYUN