Patents Examined by Phuc T. Dang
  • Patent number: 11466001
    Abstract: A compound of Chemical Formula 1, and an organic photoelectric device, an image sensor, and an electronic device including the same are disclosed: In Chemical Formula 1, each substituent is the same as defined in the detailed description.
    Type: Grant
    Filed: March 31, 2020
    Date of Patent: October 11, 2022
    Assignee: Samsung Electronics Co., Ltd.
    Inventors: Yeong Suk Choi, Ji Soo Shin, Chul Baik, Sung Young Yun, Taejin Choi, Hye Rim Hong, Kyung Bae Park, Gae Hwang Lee, Chul Joon Heo
  • Patent number: 11462599
    Abstract: A display panel may include a substrate (12), a bank layer (14) on the substrate (12), and a thermal insulation layer on the bank layer(14). The bank layer (14) defines a plurality of pixel areas (PA) on the substrate (12). The thermal insulation layer (20) may have a low thermal conductivity of about 0.01W/mk to about 0.5 W/mK. The thermal insulation layer (20) may be a porous thermal insulation layer.
    Type: Grant
    Filed: May 14, 2019
    Date of Patent: October 4, 2022
    Assignees: HEFEI XINSHENG OPTOELECTRONICS TECHNOLOGY CO., LTD, BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventor: Minghung Hsu
  • Patent number: 11462592
    Abstract: An array substrate, a driving method, an organic light emitting display panel and a display device. The array substrate includes a plurality of light emitting devices and pixel circuits connected with the light emitting devices, both located in a display area as well as a plurality of voltage control circuits located in a non-display area, wherein at least two of the pixel circuits in one row share one of the voltage control circuits.
    Type: Grant
    Filed: October 14, 2019
    Date of Patent: October 4, 2022
    Assignee: Beijing BOE Technology Development Co., Ltd.
    Inventors: Shengji Yang, Xue Dong, Xiaochuan Chen, Hui Wang, Shengnan Li, Zengqiang Zheng
  • Patent number: 11456426
    Abstract: An organic molecule is disclosed having a a first chemical unit having a structure according to Formula I and two second chemical units, which are respectively the same or different in each occurrence, and have a structure according to Formula II, wherein, in each case, the first chemical unit s connected to the two second chemical units via a single bond.
    Type: Grant
    Filed: February 1, 2018
    Date of Patent: September 27, 2022
    Assignee: Samsung Display Co., Ltd.
    Inventor: Daniel Zink
  • Patent number: 11450821
    Abstract: An organic electroluminescence device comprises a first electrode, a second electrode disposed on the first electrode, and an emission layer disposed between the first electrode and the second electrode. The emission layer comprises a polycyclic compound represented by Formula 1 and achieves high efficiency and a low driving voltage. In Formula 1, at least one of Ar1 to Ar4 is represented by Formula 2.
    Type: Grant
    Filed: June 10, 2020
    Date of Patent: September 20, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Yeseul Lee, Soo-Byung Ko, Hyeongmin Kim, HeeChoon Ahn, Hyunah Um, Yirang Im
  • Patent number: 11450723
    Abstract: The present disclosure provides a wire layout of a pixel driving circuit. The circuit includes: a first switching element, a control terminal of the first switching element being coupled to a scan signal line, a first terminal of the first switching element being coupled to a data signal line; and a driving transistor, a first terminal of the driving transistor being coupled to a power signal line; wherein a first distance between the data signal line and the control terminal of the driving transistor is greater than a second distance between the first power signal line and the control terminal of the driving transistor.
    Type: Grant
    Filed: March 27, 2019
    Date of Patent: September 20, 2022
    Assignee: Beijing BOE Technology Development Co., Ltd.
    Inventors: Yipeng Chen, Libin Liu, Yunfei Li
  • Patent number: 11450724
    Abstract: A display panel, a method of manufacturing the same, and a display device. The display panel includes a substrate, and a first metal layer, an interlayer dielectric layer, and a second metal layer disposed away from the substrate. The first metal layer includes a preset along the preset a first power line extending in a direction, a via hole is formed in the interlayer dielectric layer, and the second metal layer includes a second power line extending in a predetermined direction, and the second power line is located above the first power line and passes through the lead The through hole is electrically connected to the first power line.
    Type: Grant
    Filed: November 5, 2019
    Date of Patent: September 20, 2022
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Weixin Ma, Caiqin Chen
  • Patent number: 11441045
    Abstract: An ink composition for inkjet printing organic light-emitting diodes and a method of manufacturing the same are disclosed. The ink composition includes 0.01-40% of bipolar light emission component, 10-99.9% of solvent, 0.01-5% of surface tension modifier, and 0.01-5% of viscosity modifier by weight. The method of manufacturing the ink composition includes steps of: dispersing the bipolar light emission component in the solvent firstly, and then adding the viscosity modifier and the surface tension modifier under stirring, so as to obtain the ink composition. By using the ink composition, specific hole and electron transport layers provided in the organic light-emitting diode manufactured by inkjet printing may be omitted, thereby simplifying the structure of the organic light-emitting diode. Moreover, the ink composition has suitable viscosity, surface tension, and volatility.
    Type: Grant
    Filed: December 27, 2019
    Date of Patent: September 13, 2022
    Assignee: SHENZHEN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Xianglong Li, Hong Meng
  • Patent number: 11444139
    Abstract: The present invention provides a display panel, a display device, and a manufacturing method of the display panel. The display panel includes a source drain layer, a first planarization layer, a second planarization layer, an anode layer, a light emitting functional layer, and a cathode layer which are sequentially stacked from bottom to top. The second planarization layer includes a light shielding structure and a first groove formed by the light shielding structure. The anode layer completely covers the first groove and is extended to cover a portion of the second planarization layer. The light emitting functional layer is disposed on the anode layer in the first groove.
    Type: Grant
    Filed: November 18, 2019
    Date of Patent: September 13, 2022
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventors: Lei Wang, Zesheng Chen
  • Patent number: 11444132
    Abstract: A display substrate, a manufacturing method thereof and a display device are provided. The display substrate includes a base substrate and sub-pixels on the base substrate. At least one sub-pixel includes a first transistor, a second transistor, a third transistor, and a storage capacitor. The display substrate further includes an extension portion protruding from the gate electrode of the first transistor, and the extension portion is extended from the gate electrode of the first transistor in the second direction; the extension portion is at least partially overlapped with the first electrode of the second transistor in a direction perpendicular to the base substrate and is electrically connected with the first electrode of the second transistor; in the first direction, the extension portion has a second side closest to the second capacitor electrode, and the second side is recessed in a direction away from the second capacitor electrode.
    Type: Grant
    Filed: November 29, 2019
    Date of Patent: September 13, 2022
    Assignees: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BEIJING BOE TECHNOLOGY DEVELOPMENT CO., LTD.
    Inventors: Zhongyuan Wu, Yongqian Li, Can Yuan, Zhidong Yuan, Meng Li, Dacheng Zhang, Lang Liu
  • Patent number: 11437575
    Abstract: A manufacturing method of a perovskite film and a composition for preparing the perovskite film. The manufacturing method of the perovskite film comprises a step of manufacturing a first mixed solution, a step of manufacturing a second mixed solution, a low pressure distillation step, a coating step, and a drying step. The technical effect of the present disclosure is to provide the manufacturing method of the perovskite film and the composition for manufacturing the perovskite film, wherein the perovskite film comprises components of a metal halide and an organic halogen salt to adjust absorption wavelengths and emission wavelengths by modulating components and concentration of each component and makes the perovskite film have a higher transmittance in the visible light band. When ultraviolet light illuminates the perovskite film, the perovskite film can produce visible light due to photoluminescence effect of the perovskite material in the perovskite film, thereby achieving display effect.
    Type: Grant
    Filed: December 20, 2019
    Date of Patent: September 6, 2022
    Inventors: Zhengyu Feng, Miao Duan
  • Patent number: 11437440
    Abstract: An array substrate includes an array of a plurality of subpixels including a plurality of columns of subpixels respectively spaced apart by a plurality of inter-subpixel regions; a plurality of pixel driving circuits respectively driving light emission of the plurality of subpixels; and a plurality of detection and compensation lead lines respectively configured to respectively detect signals in the plurality of subpixels and respectively compensate signals in the plurality of subpixels. A respective one of a plurality of detection and compensation lead lines is disposed in a first inter-subpixel region between two directly adjacent columns of subpixels. The respective one of the plurality of detection and compensation lead lines is spaced apart by at least one columns of subpixels from a signal line configured to transmit an alternating current and arranged along a direction parallel to the respective one of the plurality of detection and compensation lead lines.
    Type: Grant
    Filed: September 27, 2019
    Date of Patent: September 6, 2022
    Assignees: Hefei BOE Joint Technology Co., Ltd., Beijing BOE Technology Development Co., Ltd.
    Inventors: Can Yuan, Yongqian Li, Pan Xu, Zhidong Yuan, Meng Li, Xuehuan Feng, Zehua Ding
  • Patent number: 11437589
    Abstract: The present disclosure relates provides an compound represented by Chemical Formula 1, in which Ar1, Ar2, Ar3 and Ar4 are C6-C40 aryl, or C5-C40 heteroaryl; R1 and R2 are —C(R)2—, —N(R)—, —O—, or —S—; X1, X2 and X3 are C or N; L1 and L2 are phenylene, naphthylene, or biphenylene; Y1 and Y2 are each an electron-withdrawing group selected from a N-containing heterocyclic group, or a cyano-containing group. The compound of the present disclosure has bipolar characteristics of simultaneously transmitting holes and electrons. The bipolar transmission host is beneficial to charge transmission balance in the light-emitting layer, and can widen the exciton recombination region, to simplify the device structure and improving device efficiency. The present disclosure further provides a display panel and a display apparatus.
    Type: Grant
    Filed: March 30, 2020
    Date of Patent: September 6, 2022
    Assignee: Xiamen Tianma Micro-Electronics Co., Ltd.
    Inventors: Quan Ran, Lei Zhang, Wei Gao, Jinghua Niu, Wenpeng Dai
  • Patent number: 11430859
    Abstract: A display device includes a first pixel, a second pixel, a first data line connected to the first pixel, and a second data line connected to the second pixel. Each of the first pixel and the second pixel includes a transistor including a conductive layer, a semiconductor layer on the conductive layer, a gate electrode on the semiconductor layer, and a source/drain electrode connected to the semiconductor layer, a capacitor including a first capacitor electrode in a same layer as the gate electrode and a second capacitor electrode on the first capacitor electrode, and a light emitting device on the transistor and the capacitor. The first data line is in a same layer as the source/drain electrode, and the second data line is in a same layer as one of the conductive layer and the second capacitor electrode.
    Type: Grant
    Filed: May 28, 2020
    Date of Patent: August 30, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Joon Seok Park, Myounghwa Kim, Tae Sang Kim, Hyungjun Kim, Yeon Keon Moon, Geunchul Park, Sangwoo Sohn, Jun Hyung Lim, Kyung Jin Jeon, Hye Lim Choi
  • Patent number: 11430855
    Abstract: The present disclosure provides a display panel and a method for manufacturing the display panel. The display panel includes: a base substrate; a conductive layer on the base substrate including a level signal wiring pattern; a cathode layer on a side of the conductive layer away from the base substrate; an anode layer on the side of the conductive layer away from the base substrate and on a side of the cathode layer facing the base substrate; a thin film transistor on a side of the anode layer facing the base substrate and on the side of the conductive layer away from the base substrate, including a source electrode, a drain electrode, an active layer, and a gate electrode, wherein the level signal wiring pattern is electrically connected to the cathode layer.
    Type: Grant
    Filed: August 26, 2020
    Date of Patent: August 30, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventor: Li Wang
  • Patent number: 11430969
    Abstract: An electroluminescent component and a display device are provided. The electroluminescent component has a light output side; a first electrode far away from the light output side; an organic light emitting structure layer disposed on the first electrode; a second electrode disposed on the organic light emitting structure layer; at least two optical coupling layers laminated on the second electrode; and at least one metal layer disposed between two of the optical coupling layers adjacent to each other.
    Type: Grant
    Filed: November 7, 2019
    Date of Patent: August 30, 2022
    Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.
    Inventor: Bo Wang
  • Patent number: 11430853
    Abstract: A display substrate and a manufacturing method and a display device are provided. The display substrate includes: a first electrode pattern, a connecting electrode pattern, a second electrode, and a light-emitting functional layer. The first electrode pattern is located in a display region and includes a plurality of first electrodes spaced apart from each other. The connecting electrode pattern is located in a peripheral region and includes a plurality of connecting electrodes. The second electrode is connected with the connecting electrode pattern, the second electrode and the first electrode pattern being spaced apart from each other. The light-emitting functional layer is located between the first electrode pattern and the second electrode, the connecting electrode pattern surrounds the first electrode pattern, and at least two of the plurality of connecting electrodes are each of a block shape and are spaced apart from each other.
    Type: Grant
    Filed: August 27, 2019
    Date of Patent: August 30, 2022
    Assignee: BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Pengcheng Lu, Yunlong Li, Yuanlan Tian, Yu Ao
  • Patent number: 11430858
    Abstract: A display panel includes a substrate including a first non-display area surrounding a transmission area, a display area on an outer portion of the first non-display area, and a second non-display area surrounding the display area, driving thin film transistors and display elements in the display area, a first power supply line in the second non-display area and extending in a first direction, first driving voltage lines and second driving voltage lines extending in a second direction intersecting with the first direction and spaced apart from each other with the transmission area therebetween, and a power bus line connected to the second driving voltage lines in the first non-display area or second non-display area, the power bus line extending in the first direction. A length of the power bus line in the first direction is less than a length of the first power supply line in the first direction.
    Type: Grant
    Filed: March 6, 2019
    Date of Patent: August 30, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Hwayoung Song, Jihyun Ka, Kimyeong Eom, Kwangsae Lee
  • Patent number: 11430854
    Abstract: An electronic substrate, a method of manufacturing an electronic substrate, and a display panel are provided. The electronic substrate includes a base substrate, and the base substrate includes a display area and a peripheral area. The electronic substrate further includes sub-pixels and data lines in the display area, and a plurality of signal input pads, a plurality of first detection lines, and a plurality of second detection lines in the peripheral area. The first detection lines and the second detection lines are on a side of the signal input pads away from the display area, and are electrically connected to the signal input pads. The first detection lines are made of a non-metallic conductive material, the second detection lines are made of a metal conductive material, and at least one of the plurality of first detection lines is provided between every two adjacent second detection lines.
    Type: Grant
    Filed: September 30, 2019
    Date of Patent: August 30, 2022
    Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yunsheng Xiao, Haigang Qing, Xiangdan Dong, Tingliang Liu
  • Patent number: 11430852
    Abstract: A display device includes a substrate including a display area including a plurality of pixels; and a transmission area inside the display area and corresponding to a component which uses light or sound to perform a function relative to the display device; and a plurality of signal lines on the substrate and connected to the plurality of pixels. The plurality of signal lines pass through the transmission area of the substrate to be connected to the plurality of pixels in the display area.
    Type: Grant
    Filed: July 13, 2020
    Date of Patent: August 30, 2022
    Assignee: SAMSUNG DISPLAY CO., LTD.
    Inventors: Gyungsoon Park, Jinseon Kwak, Seonyoung Choi