With Supplemental Capacitor Patents (Class 349/38)
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Patent number: 11657770Abstract: It is an object of the present invention to provide a display device in which problems such as an increase of power consumption and increase of a load of when light is emitted are reduced by using a method for realizing pseudo impulsive driving by inserting an dark image, and a driving method thereof. A display device which displays a gray scale by dividing one frame period into a plurality of subframe periods, where one frame period is divided into at least a first subframe period and a second subframe period; and when luminance in the first subframe period to display the maximum gray scale is Lmax1 and luminance in the second subframe period to display the maximum gray scale is Lmax2, (½) Lmax2<Lmax1<( 9/10) Lmax2 is satisfied in the one frame period, is provided.Type: GrantFiled: July 9, 2020Date of Patent: May 23, 2023Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Yasunori Yoshida, Hajime Kimura
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Patent number: 11609468Abstract: A TFT is provided that has a semiconductor layer in which one source drain region, one LDD region, a channel region, another LDD region, and a first portion of another source drain region extend along a first direction at a position overlapping a scanning line, and a second portion of the other source drain region extends along a second direction at a position overlapping a data line, a light shielding wall is disposed along the one LDD region or the other LDD region extending along the first direction, a substrate has a recessed portion in a region overlapping the light shielding wall, and a part of the light shielding wall is disposed along a side surface and a bottom surface of the recessed portion.Type: GrantFiled: February 21, 2022Date of Patent: March 21, 2023Assignee: SEIKO EPSON CORPORATIONInventor: Yohei Sugimoto
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Patent number: 11598997Abstract: A liquid crystal apparatus includes a scan line extending in a ±X direction, a data line extending in a ±Y direction that intersects with the ±X direction, a TFT having a semiconductor layer in which, at a position overlapping with the scan line in plan view, one source drain region and a channel region extend along the ±X direction, and at a position overlapping with the data line in plan view, another source drain region extends along the ±Y direction, and a first upper capacitance element and a second upper capacitance element provided at a position overlapping with the data line, so as to overlap with the other source drain region in plan view.Type: GrantFiled: October 20, 2020Date of Patent: March 7, 2023Assignee: SEIKO EPSON CORPORATIONInventor: Yohei Sugimoto
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Patent number: 11579500Abstract: A display device includes a first liquid crystal panel configured to display an image to be seen by the observer, and a second liquid crystal panel laid on the first liquid crystal panel. The second liquid crystal panel includes a black matrix defining pixels, opaque gate lines disposed to be distant from one another in a first direction, and opaque data lines disposed to be distant from one another in a second direction different from the first direction. Lines of the black matrix disposed to be distant from one another in the first direction and the gate lines constitute dark lines disposed at a specified pitch in the first direction. Lines of the black matrix disposed to be distant from one another in the second direction and the data lines constitute dark lines disposed at a specified pitch in the second direction.Type: GrantFiled: December 23, 2020Date of Patent: February 14, 2023Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Takeshi Sasaki, Tsutomu Kadotani, Hidenori Ikeno
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Patent number: 11574813Abstract: Atomic layer etching (ALE) processes are disclosed. In some embodiments, the methods comprise at least one etch cycle in which a substrate comprising a metal, metal oxide, metal nitride or metal oxynitride layer is contacted with an etch reactant comprising an vapor-phase N-substituted derivative of amine compound. In some embodiments the etch reactant reacts with the substrate surface to form volatile species including metal atoms from the substrate surface. In some embodiments a metal or metal nitride surface is oxidized as part of the ALE cycle. In some embodiments a substrate surface is contacted with a halide as part of the ALE cycle. In some embodiments a substrate surface is contacted with a plasma reactant as part of the ALE cycle.Type: GrantFiled: December 7, 2020Date of Patent: February 7, 2023Assignee: ASM IP HOLDING B.V.Inventors: Charles Dezelah, Varun Sharma
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Patent number: 11539023Abstract: A display substrate and a manufacturing method thereof, and a display panel are provided. The display substrate includes a base substrate having a display region and a peripheral region adjacent to the display region, the peripheral region being provided therein with a gate driver-on-array circuit including a plurality of transistors and capacitors, all of the transistors are provided in a transistor region, at least a part of the plurality of capacitors are provided in a capacitor region, and the capacitor region is located on a side of the transistor region distal to the display region; and an encapsulation structure for encapsulating the display region and the transistor region together; the peripheral region further including a sealing region for arranging a sealing structure therein, the capacitor region is located in the sealing region, and the sealing region is provided on a side of the encapsulation structure distal to the display region.Type: GrantFiled: September 20, 2019Date of Patent: December 27, 2022Assignees: Hefei BOE Joint Technology Co., Ltd., Beijing BOE Technology Development Co., Ltd.Inventors: Zhidong Yuan, Yongqian Li, Can Yuan, Enming Xie
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Patent number: 11493816Abstract: It is an object to provide a liquid crystal display device which has excellent viewing angle characteristics and higher quality. The present invention has a pixel including a first switch, a second switch, a third switch, a first resistor, a second resistor, a first liquid crystal element, and a second liquid crystal element. A pixel electrode of the first liquid crystal element is electrically connected to a signal line through the first switch. The pixel electrode of the first liquid crystal element is electrically connected to a pixel electrode of the second liquid crystal element through the second switch and the first resistor. The pixel electrode of the second liquid crystal element is electrically connected to a Cs line through the third switch and the second resistor. A common electrode of the first liquid crystal element is electrically connected to a common electrode of the second liquid crystal element.Type: GrantFiled: April 22, 2021Date of Patent: November 8, 2022Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventor: Hajime Kimura
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Patent number: 11488538Abstract: A display is provided that includes an array of display pixels that receive data signals from display driver circuitry and that receive control signals from gate driver circuitry. The gate driver circuitry may include a chain of row driver circuits. Each row driver circuit may include a scan driver circuit and a scan inverter circuit. An enable transistor may be interposed between the scan driver circuit and the scan inverter circuit and may be selectively disabled to decouple the scan inverter circuit from the scan driver circuit to allow the scan inverter circuit to operate independent from the scan driver circuit. The scan inverter circuit may include a transistor that receives a scan pulse signal from the scan driver circuit and may further include additional transistors connected in a negative feedback configuration to reduce a drain-to-source voltage across the transistor to reduce leakage across the transistor during blanking times.Type: GrantFiled: March 25, 2021Date of Patent: November 1, 2022Assignee: Apple Inc.Inventors: Chin-Wei Lin, Shinya Ono, Gihoon Choo
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Patent number: 11435843Abstract: A display panel and a fabrication method thereof are provided. The display panel includes pixels, data lines and scan lines. The pixels are arranged in pixel rows and pixel columns, and each pixel has subpixels. The data lines are configured to transmit data signals to the pixels, and each data line has a non-straight and continuously curved shape or a non-straight and continuously bent shape. The scan lines are configured to sequentially transmit scan signals to the pixels. The subpixels of each pixel are coupled to different scan lines, and each data line is curved or bent with respect to a unit of one pixel. Accordingly, the display panel of the invention can avoid the problems of poor image display and vertical line (V-line) defects as well as reducing power consumption.Type: GrantFiled: September 2, 2021Date of Patent: September 6, 2022Assignee: HannStar Display CorporationInventors: Jing-Xuan Chen, Cheng-Yen Yeh, Mu-Kai Kang, Sz-Kai Huang
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Patent number: 11435637Abstract: A display apparatus capable of supplying a high voltage to a display device is provided. A pixel has a function of retaining first data, a function of adding second data to the first data to generate third data, and a function of supplying the third data to the display device. Capacitive coupling by a capacitor is used for data addition. Two pixels provided in the vertical direction (the direction in which a source line extends) share components including the capacitor; thus, the area where the two pixels are provided can be assigned to the capacitor, which can increase the capacitance value. Thus, the data addition by the capacitive coupling can be efficiently performed.Type: GrantFiled: September 9, 2019Date of Patent: September 6, 2022Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Susumu Kawashima, Naoto Kusumoto
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Patent number: 11415840Abstract: The present invention provides a liquid crystal display device that includes a first substrate having an electrode A formed thereon; a second substrate having an electrode B formed thereon and being disposed to oppose the first substrate; and a liquid crystal layer disposed between the first substrate and the second substrate and substantially vertically aligned with respect to the first and second substrates when no voltage is applied between electrodes, in which the electrode A has a fishbone pattern having a branched portion, and a space (S ?m) between adjacent branches of branches of the fishbone pattern and an inter-substrate distance (d ?m) between the first substrate and the second substrate satisfy a relationship of formula (1): (d?0.6)/1.25<S<(d+1.1)/1.25??formula (1).Type: GrantFiled: April 25, 2019Date of Patent: August 16, 2022Assignee: DIC CORPORATIONInventors: Kazuki Kurisawa, Yuichi Inoue
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Patent number: 11348549Abstract: According to one embodiment, a display device includes a first scanning line, a second scanning line, a signal line, a capacitance line, and a pixel. The pixel includes a pixel electrode, an auxiliary electrode, a first switch, a second switch, and a third switch. The first switch is electrically connected to the signal line, the pixel electrode, and the first scanning line. The second switch is electrically connected to the auxiliary electrode, the first scanning line, and the capacitance line. The third switch is electrically connected to the signal line, the second scanning line, and the auxiliary electrode.Type: GrantFiled: January 22, 2021Date of Patent: May 31, 2022Assignee: Japan Display Inc.Inventors: Hirotaka Hayashi, Gen Koide
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Patent number: 11327363Abstract: A display apparatus includes: a backlight assembly including a light source; and at least one functional material; wherein: the light source is configured to emit a white light; and the at least one functional material is configured to absorb light in at least one of a range of 480 nm-520 nm or a range of 575 nm-600 nm to thereby reshape the white light to have blue, red, and green peaks.Type: GrantFiled: October 25, 2019Date of Patent: May 10, 2022Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Xibin Shao, Dongchuan Chen, Yanping Liao
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Patent number: 11307464Abstract: The present disclosure provides an array substrate for a reflective display panel, a method for preparing the same, and a display panel, the array substrate including a base and a pixel electrode and a structure for reflecting light arranged on the base, in which the structure for reflecting light is configured to reflect light at a predetermined wavelength and allow light other than the light at the predetermined wavelength to transmit therethrough.Type: GrantFiled: September 5, 2019Date of Patent: April 19, 2022Assignees: HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Guanglei Yang, Zhixiang Fang
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Patent number: 11264406Abstract: A thin-film transistor array including an insulating substrate, a gate insulating film sandwiched between a first structure and a second structure, the first structure including a gate electrode, a gate wire connected to the gate electrode, a capacitor electrode, and a capacitor wire connected to the capacitor electrode, and the second structure including a source electrode, a source wire connected to the source electrode, a drain electrode, and a pixel electrode connected to the drain electrode, a resistor inserted between parts of the capacitor wire, and a semiconductor layer formed between the source electrode and the drain electrode. The pixel electrode is positioned over the capacitor electrode with the gate insulating film positioned therebetween and has a storage capacitance, and the source electrode and the drain electrode are positioned over the gate electrode with the gate insulating film positioned therebetween.Type: GrantFiled: September 18, 2017Date of Patent: March 1, 2022Assignee: TOPPAN PRINTING CO., LTD.Inventor: Mamoru Ishizaki
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Patent number: 11256131Abstract: The present disclosure discloses a jump connection structure of a reflective display comprising a substrate, a shielding layer, a low reflective layer, an organic layer, a first transparent conductive layer, and a first reflective layer. The shielding layer is disposed on the substrate. The low reflective layer is disposed on the shielding layer. The organic layer is disposed on the low reflective layer, wherein the organic layer and the low reflective layer have a first via, and a part of the shielding layer is exposed from the first via. The first transparent conductive layer is disposed on the exposed shielding layer. The first reflective layer is disposed on a top surface of the organic layer, a side surface of the organic layer, and the first transparent conductive layer. In the present disclosure, a reflective display with good display function and low power consumption is implemented by the jump connection structure.Type: GrantFiled: October 29, 2020Date of Patent: February 22, 2022Assignee: GIANTPLUS TECHNOLOGY CO., LTD.Inventors: I-Ta Jiang, Che-Yao Wu, Kai-Ju Chou
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Patent number: 11249351Abstract: Embodiments of the present disclosure provide an array substrate and a display device. The array substrate includes a plurality of gate lines and a plurality of data lines, the plurality of gate lines and the plurality of data lines crossing one another to bound pixel units and the pixel unites each including a pixel electrode and a thin film transistor, which includes a drain electrode, the array substrate further includes a common electrode line, the drain electrode includes an extension portion and the common electrode line and the extension portion form a light blocking structure together such that an orthographic projection of the light blocking structure on a plane where the pixel electrode is located is located near an edge of the pixel electrode. The array substrate provided by the present disclosure is applied to a display device.Type: GrantFiled: May 26, 2020Date of Patent: February 15, 2022Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jianbo Xian, Pan Li, Yong Qiao, Xinyin Wu, Jian Xu
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Patent number: 11249332Abstract: A liquid crystal display device and a drive method thereof are disclosed. The liquid crystal display device includes a display panel and a controller. The display panel includes a display region, a plurality of pixels arranged in a matrix are provided in the display region, each of the plurality of pixels includes a red sub-pixel, a blue sub-pixel and a green sub-pixel, and the display region includes a middle portion and a peripheral portion outside the middle portion, and at least one first pixel is provided in the peripheral portion, the controller is configured to relatively increase a luminous intensity of a blue sub-pixel in the first pixel.Type: GrantFiled: December 15, 2017Date of Patent: February 15, 2022Assignees: BOE Technology Group Co., Ltd., Hefei Xinsheng Optoelectronics Technology Co., Ltd.Inventors: Ruifang Du, Zijun Cao, Yuanyuan Liu, Xiaoye Ma, Rui Ma
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Patent number: 11233074Abstract: The present application provides an array substrate and a manufacturing method thereof. The array substrate includes a thin film transistor and a storage capacitor prepared on a substrate; the thin film transistor includes a gate, an active layer, and a source/drain; the storage capacitor includes a first electrode and a second electrode isolated therefrom by a dielectric layer; the gate is disposed above the first electrode and located at one end of the first electrode; and the second electrode corresponds to a portion of the first electrode non-corresponding to the gate.Type: GrantFiled: December 20, 2019Date of Patent: January 25, 2022Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Zhenguo Lin, Xingyu Zhou, Yuanjun Hsu, Poyen Lu
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Patent number: 11195473Abstract: Disclosed are a display device using an inverted signal and a driving method thereof. The display device includes a display panel driving circuit for writing data to pixels, a signal generation unit configured to generate a two-step signal for controlling the display panel driving circuit; a plurality of signal lines configured to connect the display panel driving circuit to the signal generation unit; and a signal inversion circuit configured to receive a two-step signal from the signal generation unit, invert the two-step signal, and supply three-step signals each including a positive polarity voltage, a reference level voltage, and a negative polarity voltage to the signal lines.Type: GrantFiled: May 28, 2020Date of Patent: December 7, 2021Assignee: LG Display Co., Ltd.Inventor: Jae Kwon Chae
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Patent number: 11152551Abstract: The present disclosure provides an electronic device providing a substrate, a first circuit, a plurality of bonding pads and a light emitting unit. The first circuit is disposed on the substrate. The bonding pads are disposed on the substrate, wherein at least one of the bonding pads includes a bonding part and a connecting part, and the bonding part is electrically connected to the first circuit through the connecting part. The light emitting unit is disposed on the substrate and corresponding to the bonding part, and the light emitting unit is electrically connected to the first circuit through at least one of the bonding pads. At least a portion of the first circuit is located between two of the bonding pads in a top view.Type: GrantFiled: April 16, 2019Date of Patent: October 19, 2021Assignee: InnoLux CorporationInventors: Min-Hsin Lo, Ker-Yih Kao, Ming-Chun Tseng, Hung-Sheng Liao
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Patent number: 11151954Abstract: An array substrate, a display panel, and a display device are provided. A Thin Film Transistor (TFT) device of a Gate Driver on Array (GOA) circuit includes a first-type TFT, a second-type TFT, a third-type TFT, and a fourth-type TFT that are disposed at intervals.Type: GrantFiled: October 22, 2018Date of Patent: October 19, 2021Assignees: CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTD., HKC CORPORATION LIMITEDInventor: Junhong Cao
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Patent number: 11150530Abstract: A manufacturing method of a display panel including following steps is provided. Providing a substrate. Forming a first metal layer including a first storage electrode on the substrate. Forming a first insulating layer on the first metal layer. Forming a second metal layer including a second storage electrode on the first insulating layer. Forming a second insulating layer on the second metal layer. Forming a third metal layer including a third storage electrode on the second insulating layer. A first storage capacitance is constituted by the first storage electrode and the second storage electrode as well as the first insulating layer located between the first storage electrode and the second storage electrode, and a second storage capacitance is constituted by the second storage electrode and the third storage electrode as well as the second insulating layer located between the second storage electrode and the third storage electrode.Type: GrantFiled: October 19, 2020Date of Patent: October 19, 2021Assignee: GIANTPLUS TECHNOLOGY CO., LTDInventors: Che-Yao Wu, Kai-Ju Chou, I-Ta Jiang
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Patent number: 11088231Abstract: An organic light emitting diode (OLED) display panel and manufacturing method thereof are provided. The display panel includes a substrate, a thin film transistor layer, and a light emitting structure, wherein the thin film transistor layer includes a polysilicon layer, a gate dielectric layer positioned on the polysilicon layer, a gate metal layer positioned on the gate dielectric layer, a gate buffer layer positioned on the gate dielectric layer, and an interlayer dielectric layer covering the gate dielectric layer, the gate metal layer, and the gate buffer layer.Type: GrantFiled: November 22, 2018Date of Patent: August 10, 2021Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Wu Ding, Songshan Li
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Patent number: 11081073Abstract: A liquid crystal display apparatus is disclosed. In the liquid crystal display apparatus, a first pixel of a plurality of pixels arranged in a matrix comprises a first sub-pixel and a second sub-pixel. The first sub-pixel and the second sub-pixel are connected to a first scanning line of a plurality of scanning lines, to which the first scanning line is supplied a first scanning signal. A first potential is supplied to a first auxiliary capacitance of the first sub-pixel based on a first control signal to select any of a plurality of row pixel groups after the first scanning signal. A second potential being different from the first potential is supplied to a second auxiliary capacitance of the second sub-pixel based on a second control signal to select any one of a plurality of row pixel groups after the first scanning signal.Type: GrantFiled: March 17, 2020Date of Patent: August 3, 2021Assignee: SAKAI DISPLAY PRODUCTS CORPORATIONInventors: Koji Hasegawa, Yoshitaka Okumoto, Tokuyoshi Awa
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Patent number: 11079642Abstract: The present disclosure provides a display panel, which includes a plurality of data lines, a plurality of scan lines, and a plurality of pixels, a main scan electrode and a branch scan electrode of the same scan line are electrically connected, and a pixel electrode partially overlaps the branch scan electrode to form a storage capacitance.Type: GrantFiled: February 26, 2019Date of Patent: August 3, 2021Assignees: HKC CORPORATION LIMITED, CHONGQING HKC OPTOELECTRONICS TECHNOLOGY CO., LTDInventor: Chihtsung Kang
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Patent number: 11063090Abstract: An image sensor and a method for fabricating the same are provided. The image sensor includes a substrate including a first surface opposite a second surface that is incident to light, a first photoelectric conversion layer in the substrate, a wiring structure including a plurality of wiring layers on the first surface of the substrate, an interlayer insulating film on the second surface of the substrate, a capacitor structure in the interlayer insulating film, and a first wiring on the interlayer insulating film. The capacitor structure includes a first conductive pattern, a dielectric pattern, and a second conductive pattern sequentially stacked on the second surface of the substrate. The second conductive pattern is connected to the first wiring.Type: GrantFiled: April 23, 2019Date of Patent: July 13, 2021Assignee: Samsung Electronics Co., Ltd.Inventors: Min Jun Choi, Kwan Sik Kim, Chang Hwa Kim, Sang Su Park, Man Geun Cho
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Patent number: 11054859Abstract: A display panel and a display device are provided. The display panel includes first display region and second display region at least partially surrounding the first display region. A density of the pixel units in the first display region is smaller than in the second display region. In the first display region, along a row direction, the first pixel unit in the first pixel unit row is between two adjacent second pixel units in the second pixel unit row, and the second pixel unit in the second pixel unit row is between two adjacent first pixel units in the first pixel unit row. The first pixel circuit and the second pixel circuit are connected to a same first or second signal line. The first pixel unit connected to the first pixel circuit and the second pixel unit connected to the second pixel circuit are located in adjacent rows or columns.Type: GrantFiled: December 19, 2019Date of Patent: July 6, 2021Assignee: WuHan TianMa Micro-electronics CO., LTDInventors: Yangzhao Ma, Ruiyuan Zhou, Yingjie Chen
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Patent number: 10996520Abstract: A display device includes: a first substrate and a second substrate including a plurality of pixel areas and opposing each other; a liquid crystal layer between the first substrate and the second substrate; a first pixel electrode on the first substrate; a first insulating layer on the first pixel electrode; and a second pixel electrode on the first insulating layer and in a different pixel area from a pixel area in which the first pixel electrode is disposed.Type: GrantFiled: February 24, 2017Date of Patent: May 4, 2021Inventors: Bonyong Koo, Chongchul Chai, Yujin Lee, Yongkoo Her
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Patent number: 10998446Abstract: An array substrate, a manufacturing method thereof and a display panel are provided. The array substrate includes a base substrate, a plurality of thin film transistors and a first light shielding layer. The base substrate includes a first surface and a second surface respectively located on opposite sides of the base substrate. The plurality of thin film transistors are disposed on the first surface of the base substrate, and each of the plurality of thin film transistors includes an active layer. The first light shielding layer is disposed on the second surface of the base substrate. The first light shielding layer has at least one opening that overlaps with at least one thin film transistor in a direction perpendicular to the second surface of the base substrate to allow light to irradiate at least the active layer of at least one thin film transistor.Type: GrantFiled: April 26, 2019Date of Patent: May 4, 2021Assignees: Hefei Xinsheng Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Xuehuan Feng, Yongqian Li
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Patent number: 10977975Abstract: The disclosure relates to a pixel structure, a method for driving the same, electronic paper, and a display device, where compensation electrodes electrically connected in correspondence with respective pixel electrodes are additionally arranged, and there are overlapping areas between orthographic projections of the compensation electrodes unto a base substrate, and orthographic projections of gate lines onto the base substrate. Furthermore the compensation electrodes corresponding to the n-th row of pixel electrodes are connected with second electrodes of corresponding first switch transistors, and gates and first electrodes of the first switch transistors are connected with the (n?1)-th gate line.Type: GrantFiled: April 29, 2019Date of Patent: April 13, 2021Assignees: Beijing BOE Optoelectronics Technology Co., Ltd, BOE Technology Group Co., Ltd.Inventors: Dawei Feng, Yue Li
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Patent number: 10971062Abstract: A control component for a current-driven optical media is provided. The control component includes thin film transistors (TFT) for driving pixels of an active matrix optoelectronic device. An additional electrode is provided in a separate conducting layer within the control component in order to add a separate capacitance (C2) that is coupled to the gate electrode of the control component to supplement the capacitance (C1) already coupled between the gate and source electrodes.Type: GrantFiled: April 22, 2016Date of Patent: April 6, 2021Assignee: Flexenable LimitedInventors: Tiziano Agostinelli, Burag Yaglioglu
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Patent number: 10923055Abstract: According to one embodiment, a display device includes a pixel electrode and a memory provided in each of pixels, a common electrode, a signal line to which a digital signal is supplied, a first drive line to which a display signal is supplied, a second drive line to which a non-display signal is supplied, a storage control circuit which stores the digital signal in the memory in a storage period, and a select control circuit which selectively supplies, in a display period, to the pixel electrode, one of the display signal and the non-display signal. The second drive circuit maintains potential of the common signal of the display period in the storage period when the display period transitions to the storage period.Type: GrantFiled: August 12, 2019Date of Patent: February 16, 2021Assignee: Japan Display Inc.Inventors: Takehiro Shima, Takayuki Nakao
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Patent number: 10908473Abstract: A light beam direction control device is provided with a transparent substrates in which main surfaces of the transparent substrate are opposed to each other, transparent conductive films respectively disposed on the main surface side of the transparent substrate, electrodes electrically connected to the transparent conductive films, a control circuit for controlling a potential difference between the transparent conductive films and a plurality of light beam transmitting regions arranged on the transparent substrates, light beam absorbing regions disposed between the adjacent light beam transmitting regions, and the transparent conductive films. When shifting the range of outgoing direction of light beam to a narrow state, the control circuit applies the electrodes electrically open and holds the open state.Type: GrantFiled: December 10, 2018Date of Patent: February 2, 2021Assignee: TIANMA JAPAN, LTD.Inventors: Tetsushi Sato, Kazunori Masumura, Kunihiro Shiota
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Patent number: 10879336Abstract: A capacitor includes an active layer, a gate insulation layer on the active layer, a gate electrode on the gate insulation layer, an interlayer insulating layer on the gate electrode, and a first electrode on the interlayer insulating layer and connected to the active layer through at least one contact hole.Type: GrantFiled: February 27, 2019Date of Patent: December 29, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Guang-Hai Jin, Jae-Beom Choi, Se-Hun Park, Jae-Seol Cho
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Patent number: 10852612Abstract: A liquid crystal display device includes a liquid crystal layer between first and second substrate. The first substrate includes a first and second sub-pixel areas. A first sub-pixel electrode is on the first substrate in the first sub-pixel area, and a first transistor is connected to a gate line, data line, and first sub-pixel electrode on the first substrate. A second sub-pixel electrode is on the first substrate in the second sub-pixel area, and a second transistor is connected to the gate line, the first transistor, and the second sub-pixel electrode. A first storage line is adjacent to one side of the first sub-pixel electrode. A second storage line is spaced from the first storage line and is adjacent to one side of the second sub-pixel electrode. A third transistor is connected to the gate line, second transistor, and second storage line.Type: GrantFiled: January 3, 2020Date of Patent: December 1, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Sangyong No, Kwihyun Kim, Jiho Moon, Keebum Park
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Patent number: 10838294Abstract: The application provides a mask disposed above a panel; the panel includes a planarization layer, and the planarization layer includes a plurality of trenches, the planarization layer is coated with a layer of TITO; the mask is provided with transparent regions, semi-transparent regions and opaque regions; the transparent regions are respectively arranged on the periphery of the display area and the semi-transparent regions are respectively arranged on the area directly above the trenches on the periphery of the display area; the opaque regions are respectively disposed directly above on each place other than the trenches of the panel, the transparent regions guide the light to expose and remove the TITO in the trenches on the periphery of the display area, the semi-transparent regions weaken the light and exposes and removes the TITO in trenches of the display area, the opaque regions block the light to avoid the exposure of TITO.Type: GrantFiled: November 21, 2017Date of Patent: November 17, 2020Assignee: WUHAN CHINA STAR OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventor: Shuanghua Zeng
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Patent number: 10833422Abstract: A TFT substrate includes a dielectric substrate, a plurality of antenna unit regions arranged on the dielectric substrate, each antenna unit region including a TFT, a patch electrode electrically connected to a drain electrode of the TFT, an auxiliary capacitance electrode electrically connected to the drain electrode, and auxiliary capacitance counter electrodes opposite the auxiliary capacitance electrode with an insulating layer interposed therebetween, and a plurality of CS bus lines, each CS bus line being connected to any of the auxiliary capacitance counter electrodes. Each of the plurality of CS bus lines includes at least two conductive layers disposed with an insulating layer disposed therebetween.Type: GrantFiled: February 27, 2018Date of Patent: November 10, 2020Assignee: SHARP KABUSHIKI KAISHAInventor: Katsunori Misaki
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Patent number: 10833104Abstract: The present disclosure provides a fabricating method of an array substrate, comprising: forming a pattern comprising a light shading member; spreading an organic material solution; solidifying the organic material solution, to form a buffer layer; forming a pattern of an active layer on the buffer layer, wherein a position of the active layer corresponds to a position of the light shading member; and forming a gate pattern, where the gate pattern is located on the active layer and is insulated from the active layer. Correspondingly, the present disclosure further provides an array substrate and a display device.Type: GrantFiled: July 20, 2017Date of Patent: November 10, 2020Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jingang Fang, Youngsun Song, Hongda Sun, Wei Li
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Patent number: 10825880Abstract: A display device includes: a substrate; a semiconductor on the substrate and including a driving channel; a first insulating layer on the semiconductor; a driving gate electrode on the first insulating layer and overlapping the driving channel; a second insulating layer on the driving gate electrode and the first insulating layer and including first and second dielectric constant layers, the second dielectric constant layer having a dielectric constant that is greater than that of the first dielectric constant layer; a storage electrode on the second insulating layer; a passivation layer covering the storage electrode and the second insulating layer; a pixel electrode on the passivation layer; an emission member on the pixel electrode; and a common electrode on the emission member, wherein the storage electrode overlaps the driving gate electrode, and wherein the storage electrode, the driving gate electrode and the second insulating layer therebetween form a storage capacitor.Type: GrantFiled: September 27, 2018Date of Patent: November 3, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jin Ho Hwang, Byeong-Beom Kim, Chul Min Bae, Woo-Seok Jeon
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Patent number: 10803798Abstract: The present disclosure discloses an AMOLED panel and a method for reducing the display luminance unevenness thereof. The panel with different thicknesses, the panel having at least a first region having a first thickness and a second region having a second thickness; a unit pixel driving circuit in the first region and a unit pixel driving circuit in the second region have storage capacitors with different capacitance values such that the panel has a same display luminance in the first region and the second region.Type: GrantFiled: September 18, 2018Date of Patent: October 13, 2020Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventor: Shuang Li
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Patent number: 10795222Abstract: A display device according to a present disclosure comprises: a first glass substrate including a through-hole; a wiring disposed in a first main surface of the first glass substrate; and a terminal formed in a second main surface of the first glass substrate and electrically connected to the wiring through the through-hole.Type: GrantFiled: February 26, 2019Date of Patent: October 6, 2020Assignee: Panasonic Liquid Crystal Display Co., Ltd.Inventors: Hiroyuki Yabuki, Kazuhiko Tsuda
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Patent number: 10795202Abstract: Techniques of effective and continuous signal transmission in a display device are described. Techniques of the present subject matter allow lead-out lines of the display device to provide continuous transmittance of signals to data/gate lines. In an example, the display device may include a plurality of pixels arranged in a first direction and a second direction in a matrix arrangement, and a plurality of first lines extending in the first direction and a plurality of second lines extending in the second direction. Further, the display device may also include a plurality of lead-out lines extending in the first direction, such that, a lead-out line from the plurality of lead-out line overlaps a second line from the plurality of second lines to form an overlap region, where, the lead-out lines may be electrically connected to the second lines through a plurality of contact points in the overlap region.Type: GrantFiled: November 30, 2018Date of Patent: October 6, 2020Assignee: Panasonic Liquid Crystal Display Co., Ltd.Inventor: Teruhisa Nakagawa
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Patent number: 10790707Abstract: An integrated circuit (IC) includes a first circuit layer that includes a first wireless power transfer (WPT) device, a first chip electrically connected to the first circuit layer, and a first tracking circuit disposed in the first chip. The first WPT device may be configured to extract energy from an electromagnetic signal and provide an output voltage. The first tracking circuit may be powered by the output voltage of the first WPT device and may output tracking data in response to an instruction extracted from the electromagnetic signal.Type: GrantFiled: December 14, 2018Date of Patent: September 29, 2020Assignee: TAIWAN SEMICONDUCTOR MANUFACTURING COMPANY, LTD.Inventors: Min-Jer Wang, Ching-Nen Peng, Chewn-Pu Jou, Feng Wei Kuo, Hao Chen, Hung-Chih Lin, Huan-Neng Chen, Kuang-Kai Yen, Ming-Chieh Liu, Tsung-Hsiung Lee
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Patent number: 10782575Abstract: Array substrate and display panel, and their fabrication methods are provided. The array substrate includes a first base substrate; a pixel electrode over the first base substrate; a first common electrode between the first base substrate and the pixel electrode; and a storage capacitor electrode, between the pixel electrode and the first common electrode and coupled with one of the pixel electrode and the first common electrode. Projections of the first common electrode and the pixel electrode on the first base substrate at least partially overlap with each other.Type: GrantFiled: May 16, 2019Date of Patent: September 22, 2020Assignees: BEIJING BOE DISPLAY TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Hongming Zhan, Xibin Shao, Yu Ma, Chao Tian
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Patent number: 10741625Abstract: A display apparatus includes a substrate including a display area; a first thin film transistor arranged on the display area of the substrate and having a first semiconductor layer including a silicon semiconductor and a first gate electrode insulated from the first semiconductor layer by a first gate insulating layer; a second thin film transistor arranged on the display area of the substrate and having a second semiconductor layer including an oxide semiconductor and a second gate electrode insulated from the second semiconductor layer; and a storage capacitor at least partially overlapping the first thin film transistor and having a lower electrode and an upper electrode, wherein the second semiconductor layer and one of the lower electrode and the upper electrode are arranged on a same layer.Type: GrantFiled: March 13, 2019Date of Patent: August 11, 2020Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Chulkyu Kang, Sangmoo Choi, Wonkyu Kwak, Jinwoo Park, Dongsun Lee
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Patent number: 10741632Abstract: A display device including a first signal line disposed on a substrate, a first insulating layer disposed on the first signal line, and a second signal line disposed on the first insulating layer and crossing the first signal line, in which the first insulating layer includes a recess portion providing a surface height lower than other areas of the first insulating layer, and the first signal line and the second signal line overlap each other with the recess portion therebetween.Type: GrantFiled: December 31, 2018Date of Patent: August 11, 2020Assignee: Samsung Display Co., Ltd.Inventors: Pil Suk Lee, Jin Taek Kim, Ki Wan Ahn
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Patent number: 10732469Abstract: A liquid crystal display (“LCD”) device is improved in terms of electrostatic discharge (“ESD”) tolerance, the LCD device including: a first substrate and a second substrate spaced apart from each other; a liquid crystal layer between the first substrate and the second substrate; a common line on the first substrate; a common electrode on the second substrate; and a plurality of short-circuit portions between the common line and the common electrode. Each of the plurality of short-circuit portions includes a contact surface contacting the common line, and at least two of the short-circuit portions respectively include contact surfaces having different sizes.Type: GrantFiled: June 6, 2018Date of Patent: August 4, 2020Assignee: Samsung Display Co., Ltd.Inventor: Inwoo Kim
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Patent number: 10719153Abstract: A display panel is provided including: an array substrate; a plurality of gate scanning signal lines and a plurality of data signal lines on the array substrate, projections of the plurality of gate scanning signal lines on the array substrate and projections of the plurality of data signal lines on the array substrate intersecting with each other; a plurality of sub-pixels arranged in an array, the plurality of sub-pixels being surrounded by the plurality of gate scanning signal lines and the plurality of data signal lines; touch sensing signal lines; and touch circuits. At least a part of the gate scanning signal lines are multiplexed to charge the touch circuits, and each of the touch sensing signal lines is configured to sense a change in an electrical signal of one of the touch circuits which have been charged so as to determine a position of a touch point.Type: GrantFiled: May 16, 2018Date of Patent: July 21, 2020Assignees: BOE TECHNOLOGY GROUP CO., LTD., HEFEI BOE OPTOELECTRONICS TECHNOLOGY CO., LTD.Inventors: Shancai Zhang, Tao Ma, Shounian Chen
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Patent number: 10720096Abstract: A display panel and a display apparatus are provided. An exemplary display panel includes a display area; a non-display area; a plurality of pixels, including a plurality of edge pixels and a plurality of compensation pixels, arranged as an array along a row direction and a column direction and having a plurality of pixel rows and a plurality of pixel columns; and a light shielding layer. At least portions of transmission areas of the edge pixels are disposed in the display area; entire transmission areas of the compensation pixels are disposed in the non-display area; and a distance d between a first compensation pixel in a first pixel row and a second compensation pixel in a second pixel row is smaller than a distance D between a first edge pixel in the first pixel row and a second edge pixel in the second pixel row.Type: GrantFiled: November 27, 2018Date of Patent: July 21, 2020Assignee: SHANGHAI TIANMA MICRO-ELECTRONICS CO., LTD.Inventors: Min Zhang, Xiangjian Kong