Making Emissive Array Patents (Class 438/34)
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Patent number: 12374239Abstract: A display apparatus includes a display module having a folding area and inflection areas respectively on both sides of the folding area in a first direction, a first layer on a surface of the display module opposite to a display surface thereof, and a second layer on a surface of the first layer opposite to the display module. An empty space is defined between the display module and the second layer in a thickness direction in the inflection area.Type: GrantFiled: May 11, 2023Date of Patent: July 29, 2025Assignee: Samsung Display Co., Ltd.Inventors: Sojeong La, Jaiku Shin, Sungchul Choi
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Patent number: 12364010Abstract: A mask assembly includes a frame including a frame opening, and a mask disposed on the frame. The mask includes a body portion including an upper surface and a lower surface opposing each other and deposition openings spaced apart from each other, protrusions protruding from the upper surface and surrounding the corresponding deposition openings, and at least one step formation pattern overlapping the protrusions in a plan view and disposed in the body portion.Type: GrantFiled: September 21, 2022Date of Patent: July 15, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jeongkuk Kim, Hwi Kim, Youngmin Moon, Seungyong Song, Areum Lee, Eunbee Jo, Kyu Hwan Hwang
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Patent number: 12349550Abstract: A display apparatus according to an embodiment of the present disclosure includes a substrate in which an emission area and a non-emission area are divided and a plurality of sub pixels is defined, a first electrode disposed in each of the plurality of sub pixels, a bank which is disposed on an insulating layer above the substrate and exposes the first electrode through an opening, a trench which is formed by removing a partial area of the bank between the plurality of sub pixels to expose the insulating layer, an organic layer disposed above the substrate in which the bank is disposed, a charge blocking layer interposed in the organic layer in the trench, and a second electrode disposed on the organic layer.Type: GrantFiled: May 17, 2022Date of Patent: July 1, 2025Assignee: LG Display Co., Ltd.Inventor: Eunhyung Lee
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Patent number: 12342693Abstract: A display substrate and a display device are provided. The display substrate includes: a base substrate; a first conductive element, located on the base substrate; a first planarization layer, located on the first conductive element; a second conductive element, located on the first planarization layer, and connected to the first conductive element through a first via hole penetrating the first planarization layer; a second planarization layer, located on the second conductive element; the second conductive element is recessed at the first via hole, so that the second conductive element has a recessed portion and a peripheral portion located outside the recessed portion, the recessed portion has a bottom portion and a side portion, the bottom portion and the peripheral portion are connected by the side portion, and the side portion of the recessed portion has an uneven surface to be configured to make light irradiated thereon be diffusely reflected.Type: GrantFiled: May 14, 2021Date of Patent: June 24, 2025Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Rui Zhou, Bo Shi, Weiyun Huang
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Patent number: 12342664Abstract: A light emitting element having a shape extending in a direction includes a first semiconductor layer and a second semiconductor layer, an active layer between the first and second semiconductor layers, a first electrode layer on a second surface opposite to a first surface of the first semiconductor layer facing the active layer, a second electrode layer on a second surface opposite to a first surface of the second semiconductor layer facing the active layer, and an insulating film surrounding a side surface of the active layer, a side surface of the first electrode layer, and a side surface of the second electrode layer, wherein a first area including the insulating film adjacent to a side surface of the active layer has a thickness larger than a thickness of a second area including the insulating film adjacent to a side surface of the first electrode layer.Type: GrantFiled: June 3, 2020Date of Patent: June 24, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Seung Geun Lee, Dong Uk Kim, Dae Hyun Kim, Se Young Kim, Hyun Min Cho, Hyung Rae Cha
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Patent number: 12324305Abstract: An electroluminescent diode array substrate, a method of manufacturing the electroluminescent diode array substrate and a display panel are provided. The electroluminescent diode array substrate includes: a base substrate; and an auxiliary electrode, a pixel definition layer, a first electrode, a functional layer and a second electrode disposed on the base substrate, the pixel definition layer is provided with a via hole structure, the auxiliary electrode is disposed on at least one side of the via hole structure, and the second electrode is electrically connected with the auxiliary electrode. The electroluminescent diode array further comprises a planarization layer disposed between the base substrate and the pixel definition layer, and a conductive polymer layer. The via hole structure extends from the pixel definition layer and penetrates through the planarization layer, the auxiliary electrode comprises an embedment part embedded in the planarization layer.Type: GrantFiled: September 29, 2022Date of Patent: June 3, 2025Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventor: Wenjun Hou
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Patent number: 12324334Abstract: A display panel in one example includes a substrate, an anode including an emission region on the substrate, a reference voltage line adjacent to the anode, and a branch line connected to the reference voltage line to apply a reference voltage from the reference voltage line to the anode via a switching element. The branch line includes a semiconductor layer, and the branch line is between the reference voltage line and the anode.Type: GrantFiled: January 29, 2024Date of Patent: June 3, 2025Assignee: LG DISPLAY CO., LTD.Inventors: Dong Yoon Lee, Kwang Yong Choi, Seong Hwan Hwang, Byeong Uk Gang, Hye Min Park
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Patent number: 12324286Abstract: A light-emitting device includes a lead frame, a light-emitting diode (LED) chip, and an encapsulant. The LED chip is disposed on the lead frame, and includes a substrate, a semiconductor light-emitting unit disposed on a surface of the substrate, and a first electrode and a second electrode, which are disposed on the surface of the substrate, and which are located outwardly of the semiconductor light-emitting unit. The first and second electrodes are electrically connected to a lower surface of the semiconductor light-emitting unit, and are respectively connected to a first wiring bonding region and a second wiring bonding region on the lead frame. The encapsulant encapsulates the LED chip.Type: GrantFiled: April 1, 2024Date of Patent: June 3, 2025Assignee: QUANZHOU SANAN SEMICONDUCTOR TECHNOLOGY CO., LTDInventors: Chen-ke Hsu, Changchin Yu, Zhaowu Huang, Junpeng Shi, Weng-Tack Wong
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Patent number: 12324319Abstract: An organic light emitting display device includes a substrate. A buffer layer is disposed on the substrate. The buffer layer includes a first opening exposing an upper surface of the substrate in a bending region. Pixel structures are positioned in a pixel region on the buffer layer. A fan-out wiring is positioned in the peripheral region and the pad region on the insulation layer structure such that the upper surface of the substrate and the first portion of the buffer layer are exposed. A passivation layer is disposed on the fan-out wiring, side walls of the insulation layer structure adjacent to the bending region, and the first portion of the buffer layer. The passivation layer includes a third opening exposing the upper surface of the substrate in the bending region. A connection electrode is positioned in the bending region on the substrate.Type: GrantFiled: January 24, 2022Date of Patent: June 3, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jeongho Lee, Yanghee Kim, Juncheol Shin, Hokyoon Kwon, Deukjong Kim, Keunsoo Lee
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Patent number: 12315850Abstract: A light-emitting element ink, a display device, and a method of fabricating the display device are provided. The light-emitting element ink includes a light-emitting element solvent, light-emitting elements dispersed in the light-emitting element solvent, each of the light-emitting elements including a plurality of semiconductor layers and an insulating film that surrounds parts of outer surfaces of the semiconductor layers, and a surfactant dispersed in the light-emitting element solvent, the surfactant including a fluorine-based and/or a silicon-based surfactant.Type: GrantFiled: February 5, 2024Date of Patent: May 27, 2025Assignee: Samsung Display Co., Ltd.Inventors: Jun Bo Sim, Duk Ki Kim, Yong Hwi Kim, Hyo Jin Ko, Chang Hee Lee, Chan Woo Joo, Jae Kook Ha, Na Mi Hong
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Patent number: 12302703Abstract: A method of manufacturing a display device may include forming an active pattern on a substrate, the active pattern including a first region, a second region spaced apart from the first region, and a third region disposed between the first region and the second region, forming an insulation layer on the active pattern, defining a first contact hole exposing a portion of the first region, a second contact hole exposing a portion of the second region, and an opening exposing the third region in the insulation layer, forming a conductive pattern filling the first and second contact holes on the insulation layer and removing the third region at a substantially same time, and forming a planarization layer on the conductive pattern.Type: GrantFiled: October 28, 2021Date of Patent: May 13, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Chungi You, Sang-Ho Moon
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Patent number: 12287551Abstract: An electro-optical device includes a substrate, a pixel electrode disposed at the substrate, and a pixel circuit portion disposed between the substrate and the pixel electrode. The pixel circuit portion includes a scanning line disposed along a first direction, a data line disposed along a second direction intersecting the first direction, a first constant potential line disposed along the scanning line, a second constant potential line disposed along the data line, and a transistor disposed corresponding to an intersection position of the scanning line and the data line and including a gate electrode electrically coupled to the scanning line, a source region electrically coupled to the data line, and a drain region electrically coupled to the pixel electrode. The pixel circuit portion also includes a coupling portion disposed corresponding to the intersection position and configured to electrically couple the first constant potential line and the second constant potential line.Type: GrantFiled: July 5, 2024Date of Patent: April 29, 2025Assignee: SEIKO EPSON CORPORATIONInventor: Satoshi Ito
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Patent number: 12288779Abstract: To achieve multifunctionality, a large number of components and the time and effort for implementing the components are required, which leads to an increase in the manufacturing cost and a reduction in yield. A matrix display portion and a matrix optical sensor portion are formed over one substrate. In addition, a driver circuit of the display portion and a driver circuit of the optical sensor portion formed over the same substrate as that for the display portion are built in one chip, whereby the number of components can be reduced. When the optical sensor is formed in a display panel, a barcode reader function or a scanner function can be given to the display panel. Furthermore, a function of authenticating fingerprints or the like or an input/output function of a touch sensor can be given to the display panel.Type: GrantFiled: August 20, 2020Date of Patent: April 29, 2025Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Kei Takahashi, Koji Kusunoki, Hajime Kimura
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Patent number: 12284876Abstract: An array substrate and a display panel are provided. A driving circuit layer of the array substrate includes a low temperature polysilicon thin film transistor and a low temperature polycrystalline oxide thin film transistor which are electrically connected with each other. A hydrogen blocking layer is formed on at least one of an upper side and a lower side of an oxide active layer of the low temperature polysilicon thin film transistor. The hydrogen blocking layer can block hydrogen ions in other film layers to invade the oxide active layer and avoid that device characteristics are drifted.Type: GrantFiled: March 31, 2024Date of Patent: April 22, 2025Assignee: WUHAN CHINA STAR OPTOELECTRONICS SEMICONDUCTOR DISPLAY TECHNOLOGY CO., LTD.Inventors: Huihui Zhao, Hao Peng
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Patent number: 12284879Abstract: A display device includes a first base, a pixel electrode on the first base, a pixel defining layer having an opening that at least partially exposes the pixel electrode, a light emitting layer on the pixel electrode, an auxiliary electrode on the same layer as the pixel electrode, a partition wall on the auxiliary electrode that at least partially exposes a side surface of the auxiliary electrode, an organic layer on the partition wall, and a common electrode continuously arranged on the light emitting layer and the organic layer, wherein a side surface of the partition wall has a reverse-tapered shape, and the common electrode contacts the side surface of the auxiliary electrode.Type: GrantFiled: November 11, 2022Date of Patent: April 22, 2025Assignee: Samsung Display Co., Ltd.Inventors: Hyun Min Cho, Tae Wook Kang, Tae Sung Kim, Dae Won Choi, Sang Gab Kim
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Patent number: 12284886Abstract: An electroluminescence display device comprises a substrate including a pixel area having a light emitting portion and a non-light emitting portion adjacent to the light emitting portion; a first electrode in the light emitting portion of the pixel area; an auxiliary electrode in the non-light emitting portion of the pixel area and spaced apart from the first electrode; a light emitting layer on the first electrode; a second electrode on the light emitting layer in the pixel area and connected to the light emitting layer; and an auxiliary power electrode below the first electrode and electrically connected with the auxiliary electrode.Type: GrantFiled: November 1, 2021Date of Patent: April 22, 2025Assignee: LG DISPLAY CO., LTD.Inventors: MoonSoo Kim, Sungbai Lee, Suhyeon Kim
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Patent number: 12284895Abstract: A display substrate includes a substrate, a planarization layer disposed on a side of the substrate, and a plurality of light-emitting layers disposed on a side of the planarization layer away from the substrate. The planarization layer includes a plurality of first portions and a second portion, a first portion is disposed in a sub-pixel region, and the second portion is located in a gap region between a plurality of sub-pixel regions; side surfaces of the plurality of first portions and side surfaces of the second portion have spacings therebetween to form a plurality of annular depressions, and an annular depression surrounds a first portion. A light-emitting layer covers the first portion of the planarization layer.Type: GrantFiled: May 11, 2021Date of Patent: April 22, 2025Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Chunjing Hu, Qing Dai
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Patent number: 12284866Abstract: A display substrate has blocking structures. The display substrate includes a base substrate, a display structure on a display area of the base substrate, at least one blocking structure on a peripheral area around the display area of the base substrate, and a first water-blocking layer on the substrate. The first water-blocking layer may cover the display structure and the at least one blocking structure. The blocking structure may be configured to block cracks generated on the first water-blocking layer at a side of the blocking structure opposite from the display area from propagating to the display area.Type: GrantFiled: September 8, 2023Date of Patent: April 22, 2025Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhongyuan Sun, Wei Wang, Lu Wang
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Patent number: 12283601Abstract: The embodiments of the present application provide a method for manufacturing thin-film transistor (TFT) substrate and a TFT substrate thereof. A semi-finished substrate has a first region, a second region, and a third region. The semiconductor layer and the insulating layer of the semi-finished substrate are patterned under the shielding of the first etching barrier layer and the second etching barrier layer having different thickness, so that only the semiconductor layer in the second region is kept and causing the thickness of the insulating layer in the first region is greater than the thickness of the insulating layer in the third region.Type: GrantFiled: November 8, 2021Date of Patent: April 22, 2025Assignees: Huizhou China Star Optoelectronics Display Co., Ltd., Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventors: Yongqi Deng, Li Chai
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Patent number: 12279494Abstract: Provided is a display substrate. A base substrate includes a display region (100), a binding region located on one side of the display region (100), and a first peripheral region (200) located between the display region and the binding region. The display region (100) comprises multiple display units. A power line (210, 220) is disposed in the first peripheral region (200) of the base substrate, and is electrically connected to the display units. An organic insulating layer is disposed on the side of the power line away from the base substrate. In the first peripheral region (200), the organic insulating layer includes at least two organic grooves and an isolation dam (410, 420) disposed between every two adjacent organic grooves, and the organic grooves penetrate through the organic insulating layer.Type: GrantFiled: May 13, 2021Date of Patent: April 15, 2025Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Tinghua Shang, Haigang Qing, Lulu Yang, Zhengwei Luo
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Patent number: 12279499Abstract: An organic light-emitting diode (OLED) display and a method of manufacturing the same are disclosed. In one aspect, the display includes a plurality of pixel electrodes positioned over a substrate and separate from each other, a plurality of auxiliary wirings between the pixel electrodes, a pixel-defining layer over the pixel electrodes except for a central portion of the pixel electrodes and at least a portion of each of the auxiliary wirings, an intermediate layer over the pixel-defining layer and having a plurality of openings formed over the portion of each of the auxiliary wirings, and an opposite electrode positioned over the intermediate layer and facing the pixel electrodes, the opposite electrode electrically contacting the auxiliary wirings via the openings. The auxiliary wirings extend in a first direction and separate from each other by a first distance. The openings are aligned in a diagonal direction crossing the first direction.Type: GrantFiled: August 3, 2022Date of Patent: April 15, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Youngjin Cho, Chulkyu Kang, Yongjae Kim
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Patent number: 12256605Abstract: An electronic device including elements arranged on a substrate, each of the elements including an insulating layer, a first electrode, a functional layer, and a second electrode in mentioned order starting from a side closer to the substrate. The insulating layer has an inclined portion that is inclined relative to the substrate. The first electrode has a first portion positioned on the inclined portion and a second portion in contact with the functional layer. The second portion has a smaller inclination angle relative to the substrate than the first portion. A thickness of the functional layer positioned on the first portion in a direction normal to a functional layer surface in contact with the first portion is smaller than a thickness of the functional layer positioned on the second portion in a direction normal to a functional layer surface in contact with the second portion.Type: GrantFiled: October 18, 2021Date of Patent: March 18, 2025Assignee: Canon Kabushiki KaishaInventors: Tetsuo Takahashi, Takayuki Ito, Hiroaki Sano, Yojiro Matsuda
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Patent number: 12255263Abstract: A method for producing a radiation emitting semiconductor chip may include providing a semiconductor layer sequence having an active region configured to generate electromagnetic radiation, applying a reflective layer sequence over the semiconductor layer sequence, generating a first recess through an opening of a mask where the first recess completely penetrates the reflective layer sequence and the active region, and applying a dielectric mirror layer in the first recess through the same opening of the same mask. Furthermore, a radiation emitting semiconductor chip is disclosed.Type: GrantFiled: July 10, 2020Date of Patent: March 18, 2025Assignee: OSRAM Opto Semiconductors GmbHInventor: Brendan Holland
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Patent number: 12255276Abstract: A method for manufacturing an image display device includes: providing a semiconductor growth substrate comprising a semiconductor layer on a first substrate, the semiconductor layer comprising a light-emitting layer; providing a second substrate comprising a circuit, wherein the circuit comprises a circuit element; forming a light-shielding layer on the second substrate; forming an insulating film on the light-shielding layer; bonding the semiconductor layer to the second substrate on which the insulating film is formed; forming a light-emitting element by etching the semiconductor layer; forming an insulating layer that covers the light-emitting element; and electrically connecting the light-emitting element to the circuit element. The light-shielding layer is located between the light-emitting element and the circuit element. In a plan view, the light-shielding layer covers the circuit element.Type: GrantFiled: November 9, 2021Date of Patent: March 18, 2025Assignee: NICHIA CORPORATIONInventor: Hajime Akimoto
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Patent number: 12250797Abstract: Embodiments of the present application provide a display panel and a display device, the display panel includes a flexible screen, an adhesive layer, a first heat dissipation layer, a support layer, and a second heat dissipation layer. Both the first heat dissipation layer and the second heat dissipation layer are disposed as metal heat dissipation layers. By arranging the heat dissipation layers as metal heat dissipation materials, heat formed during operation of the display panel can be quickly transferred and dissipated, thereby effectively improving performance of the display panel.Type: GrantFiled: March 21, 2022Date of Patent: March 11, 2025Assignee: Wuhan China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Huipeng Chen
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Patent number: 12250867Abstract: A display panel, and a test method thereof, a display apparatus, each subpixel of the pixel array of the display panel includes a pixel circuit, a first signal line configured to provide a scanning signal to the pixel circuit, a scan driver circuit configured to provide the scanning signal to the pixel circuit and includes a shift register and a clock signal line in the display area; a test circuit board in the non-display area and including a test pad; and a test lead in the non-display area and electrically connected with the test pad. The first signal line includes a first part in the display area and a second part in the non-display area, the first part extends substantially along the first direction.Type: GrantFiled: September 28, 2021Date of Patent: March 11, 2025Assignees: HEFEI BOE JOINT TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Zhidong Yuan, Pan Xu, Yongqian Li, Can Yuan
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Patent number: 12250865Abstract: A display device includes a substrate including a display area provided with pixels disposed therein and a non-display area surrounding the display area and provided with a dummy pattern disposed therein; a light emitting layer formed on the pixels and the dummy pattern; and a bank surrounding the light emitting layer, wherein the dummy pattern includes: a first dummy part extending along a horizontal direction; a second dummy part extending along a vertical direction; and a third dummy part provided by extending the first dummy part and the second dummy part in a corner area where the first dummy part and the second dummy part are connected to each other and having a pattern protruding in an outer direction of the substrate.Type: GrantFiled: December 29, 2020Date of Patent: March 11, 2025Assignee: LG Display Co., Ltd.Inventor: Hyeongseok Kim
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Patent number: 12249287Abstract: An electronic device includes an insulating layer, a first conductive portion, a second conductive portion, a connective portion, a processing unit and an electronic element. The first conductive portion and the second conductive portion are respectively corresponding to opposite sides of the insulating layer. The connective portion is at least partially disposed in the insulating layer. The first conductive portion is electrically connected to the second conductive portion through the connective portion. The processing unit and the electronic element are respectively corresponding to opposite sides of the insulating layer. The processing unit and the electronic element are overlapped with the connective portion. The thickness of the processing unit is greater than the thickness of the first conductive portion.Type: GrantFiled: February 15, 2024Date of Patent: March 11, 2025Assignee: INNOLUX CORPORATIONInventors: Kuan-Feng Lee, Yuan-Lin Wu
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Patent number: 12245476Abstract: A display device includes an auxiliary wiring located on a substrate; an insulating layer arranged on the auxiliary wiring, overlapping the auxiliary wiring in a plan view, and including an opening having a width greater than a width of the auxiliary wiring; a first electrode located on the insulating layer; a bank layer including an emission opening that overlaps the first electrode in a plan view; an intermediate layer overlapping the first electrode through an emission opening in a plan view and including an emission layer; a second electrode on the intermediate layer; and an auxiliary layer arranged on the second electrode, wherein the auxiliary wiring includes sub-layers, and each of the second electrode and the auxiliary layer contacts a side surface of one of the sub-layers through the opening of the insulating layer.Type: GrantFiled: May 5, 2022Date of Patent: March 4, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jaeik Kim, Hyejin Gwark, Arong Kim, Jungsun Park, Heemin Park, Yeonhwa Lee, Joongu Lee, Kyuhwan Hwang
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Patent number: 12240987Abstract: An ink composition for ink-jet printing includes a functional material and an alkylene glycol derivative, wherein the functional material includes OTPD.Type: GrantFiled: September 30, 2020Date of Patent: March 4, 2025Assignee: SHARP KABUSHIKI KAISHAInventor: Yang Qu
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Patent number: 12237360Abstract: A display device includes display devices each including a display area and a non-display area adjacent to the display area, the display area of each of the display devices including a pixel, and a substrate on which each of the display devices is disposed. Each of the display devices includes a thin film transistor layer disposed on the substrate and including a thin film transistor, and a connection line electrically connected to the thin film transistor and disposed in the non-display area on the substrate. Connection lines of display devices adjacent to each other among the plurality of display devices are disposed staggered with respect to each other.Type: GrantFiled: June 17, 2021Date of Patent: February 25, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jae Been Lee, Yi Joon Ahn
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Patent number: 12238974Abstract: A display substrate includes a base substrate, a plurality of first electrodes, a first pixel defining layer, and a second pixel defining layer disposed on the base substrate, and light-emitting layers disposed in a plurality of second opening regions. The first pixel defining layer includes a plurality of first opening regions, and each of the first opening regions exposes at least a portion of a first electrode. The second pixel defining layer includes the plurality of second opening regions, each second opening regions corresponds to at least two first opening regions, and the orthogonal projections of the at least two first opening regions on the base substrate are located within the orthogonal projection of the second opening region on the base substrate. The light-emitting layers overspreads the plurality of second opening regions in a plane perpendicular to a thickness direction of the base substrate, respectively.Type: GrantFiled: February 18, 2021Date of Patent: February 25, 2025Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventor: Ying Cui
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Patent number: 12238863Abstract: An electronic device is provided. The electronic device includes a substrate structure, a control unit, a first circuit structure, and an electronic unit. The substrate structure has a conductive via pattern and a dummy via pattern. The control unit is electrically connected to the conductive via pattern. The first circuit structure is electrically connected to the conductive via pattern. The electronic unit is electrically connected to the control unit through the first circuit structure. The dummy via pattern is electrically insulated from the first circuit structure.Type: GrantFiled: December 19, 2022Date of Patent: February 25, 2025Assignee: INNOLUX CORPORATIONInventors: Cheng-Chi Wang, Kuan-Feng Lee, Jui-Jen Yueh
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Patent number: 12232346Abstract: Disclosed are a quantum dot light-emitting device and a driving method thereof, and a display substrate. The quantum dot light-emitting device has a laminated structure, the laminated structure may be simplified into a quantum dot light-emitting device of one upright light-emitting structure and one inverted light-emitting structure, and the upright light-emitting structure and the inverted light-emitting structure are placed in a laminated mode through a layer of a common electrode.Type: GrantFiled: March 22, 2021Date of Patent: February 18, 2025Assignee: BOE Technology Group Co., Ltd.Inventor: Tieshi Wang
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Patent number: 12232383Abstract: A display apparatus includes: a substrate having a bending area between a first area and a second area; internal conductive lines on the substrate in the first area; external conductive lines on the substrate in the second area; an organic material layer covering the bending area and covering at least a portion of the internal conductive lines and the external conductive lines; and connection lines on the organic material layer and connecting the internal conductive lines to the external conductive lines, respectively. Organic through-holes are defined through the organic material layer, the connection lines are respectively connected to the internal conductive lines through the organic through-holes, and an upper surface of the organic material layer between the organic through-holes has a convex curved shape.Type: GrantFiled: December 14, 2023Date of Patent: February 18, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Joongsoo Moon, Wonkyu Kwak, Kwangmin Kim, Kiwook Kim, Dongsoo Kim, Hyunae Park, Jieun Lee, Changkyu Jin
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Patent number: 12225759Abstract: A display substrate, a manufacturing method thereof, and a display device are provided. A pixel region is provided with a light emission function layer on a base substrate of the display substrate, and a separation region is provided with at least one first barrier structure. The first barrier structure includes a stopper pattern and a first separation component. A side surface of the first separation component has a recess, and a portion of the light emission function layer extending to the separation region is disconnected on the side of the first separation component. The separation region is provided with an inorganic layer structure on the base substrate. The inorganic layer structure includes multiple stacked inorganic film layers, the stopper pattern is located between two adjacent inorganic film layers and the first separation component is located on a side of the inorganic layer structure away from the base substrate.Type: GrantFiled: November 15, 2023Date of Patent: February 11, 2025Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTDInventors: Yupeng He, Yang Zhou, Xin Zhang, Pengfei Yu, Xiaofeng Jiang, Yi Qu, Lulu Yang, Huijun Li, Meng Zhang
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Patent number: 12225674Abstract: Provided is a foldable display device. The foldable display device includes a flexible display panel, a flexible cover plate and a flexible printed circuit. The flexible display panel includes a first foldable region and a first side edge. The first foldable region includes a first sub-region, and a part of the first side edge is a boundary of the first sub-region. The flexible cover plate is bonded to a first surface of the flexible display panel and includes a second foldable region. An orthographic projection of the second foldable region on the first surface is within the first foldable region, the second foldable region is bonded to the first foldable region, and the orthographic projection of the second foldable region on the first surface is not overlapped with the first sub-region.Type: GrantFiled: November 8, 2021Date of Patent: February 11, 2025Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE Technology Group Co., Ltd.Inventors: Xuan Luo, Xiaoxia Huang, Ren Xiong, Bing Zhang
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Patent number: 12219817Abstract: A display substrate, an ink jet printing method and a display apparatus are provided. The display substrate includes a base substrate and a pixel define layer disposed on the base substrate, wherein the pixel define layer includes first define layers and a second define layer, a printing region is formed on the base substrate between the first define layers, and the second define layer is disposed on the printing region and divides the printing region into at least two sub-printing regions, and a height of the first define layers is greater than that of the second define layer in a direction perpendicular to the base substrate.Type: GrantFiled: October 27, 2021Date of Patent: February 4, 2025Assignee: BOE Technology Group Co., Ltd.Inventor: Chengyuan Luo
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Patent number: 12213370Abstract: A display panel and a method thereof for manufacturing the same are provided. The display panel includes a pixel electrode layer and an auxiliary electrode layer. A side surface of the pixel electrode layer away from an array substrate is lower than a side surface of the auxiliary electrode layer away from the array substrate, so that topography of a second opening is higher than that of a first opening of a light-emitting region of a pixel, and it is difficult for a light-emitting functional layer to be deposited into the second opening to decrease the resistance of a bridging portion between the second electrode layer and the auxiliary electrode layer.Type: GrantFiled: November 5, 2021Date of Patent: January 28, 2025Assignee: Shenzhen China Star Optoelectronics Semiconductor Display Technology Co., Ltd.Inventor: Weijing Zeng
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Patent number: 12211815Abstract: A micro LED display panel is provided. The micro LED display panel includes a driving substrate and a plurality of bonding pads disposed on the driving substrate and spaced apart from each other. The micro LED display panel also includes a plurality of micro LED structures electrically connected to the bonding pads. Each micro LED structure includes at least one electrode disposed on the side of the micro LED structure facing the driving substrate. The electrode has a normal contact surface and a side contact surface. The normal contact surface faces the driving substrate, and the side contact surface is laterally connected to the corresponding bonding pad.Type: GrantFiled: January 13, 2022Date of Patent: January 28, 2025Assignee: PLAYNITRIDE DISPLAY CO., LTD.Inventors: Shiang-Ning Yang, Yung-Chi Chu, Yu-Yun Lo, Bo-Wei Wu, Yu-Ya Peng
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Patent number: 12211433Abstract: A display substrate and a manufacturing method thereof, and a display device are provided. In the display substrate, each signal line includes a first conductive portion; for at least one signal line, the display substrate includes a multi-layer insulating pattern on a side of the first conductive portion away from the base substrate; a first insulating pattern in the multi-layer insulating pattern includes a hollow, and an orthographic projection of the hollow on the base substrate is at least partially in a region surrounded by an orthographic projection of the first conductive portion on the base substrate; and for at least one clock signal line included in the at least one signal line, a ratio between a size of the hollow in a first direction and a size of a shift register unit in the first direction ranges from ¾ to 1.Type: GrantFiled: February 29, 2024Date of Patent: January 28, 2025Assignees: CHENGDU BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Cong Liu, Binyan Wang, Tianyi Cheng, Feng Wei, Meng Li, Shiqian Dai, Kaipeng Sun
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Patent number: 12207491Abstract: A display device includes: a substrate having an opening; a plurality of display elements at a display area adjacent to the opening, the plurality of display elements each including a pixel electrode, an opposite electrode, and an intermediate layer between the pixel electrode and the opposite electrode; and a metal stacked structure between the opening and the display area, and including: a first sub-metal layer having a first hole; and a second sub-metal layer under the first sub-metal layer and having a second hole, the second hole overlapping with the first hole and having a width greater than a width of the first hole.Type: GrantFiled: June 27, 2022Date of Patent: January 21, 2025Assignee: Samsung Display Co., Ltd.Inventors: Jongbaek Seon, Jaehak Lee, Juncheol Shin, Jieun Choi
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Patent number: 12200954Abstract: According to one embodiment, a display device includes a base material, a first insulating layer disposed on the substrate, a first electrode disposed on the first insulating layer, an organic layer disposed on the first electrode, a second electrode disposed on the organic layer, a second insulating layer disposed on the first insulating layer and including an opening portion overlapping with the second electrode, and a third electrode covering the second electrode and the second insulating layer. The first electrode, the organic layer, and the second electrode are separated for each pixel.Type: GrantFiled: January 27, 2022Date of Patent: January 14, 2025Assignee: Japan Display Inc.Inventor: Hideyuki Takahashi
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Patent number: 12199402Abstract: A light emitting device includes a laminated structure having a plurality of columnar parts, wherein the columnar part includes a first semiconductor layer, a second semiconductor layer different in conductivity type from the first semiconductor layer, and a third semiconductor layer disposed between the first semiconductor layer and the second semiconductor layer, the third semiconductor layer includes a light emitting layer, and the second semiconductor layer includes a first portion, and a second portion which surrounds the first portion in a plan view from a laminating direction of the first semiconductor layer and the light emitting layer, and is lower in impurity concentration than the first portion.Type: GrantFiled: July 30, 2021Date of Patent: January 14, 2025Assignees: SEIKO EPSON CORPORATION, SOPHIA SCHOOL CORPORATIONInventors: Hiroyasu Kaseya, Takafumi Noda, Katsumi Kishino
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Patent number: 12201016Abstract: Provided are an organometallic compound, an organic light-emitting device including the organometallic compound, and an apparatus including the organic light-emitting device.Type: GrantFiled: October 30, 2019Date of Patent: January 14, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jaesung Lee, Soobyung Ko, Sungbum Kim, Haejin Kim, Sujin Shin, Eunsoo Ahn, Eunyoung Lee, Hyunjung Lee, Mina Jeon, Junghoon Han
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Patent number: 12191315Abstract: An array substrate and a method for manufacturing the same, and a display panel are provided. The array substrate includes a base substrate, gate lines, data lines, and multiple pixel units. The pixel unit includes a pixel electrode, a drive circuit, and a sharing electrode. The pixel electrode is electrically connected to the drive circuit. The drive circuit includes a first thin-film transistor, a second thin-film transistor, and a third thin-film transistor. A source of the third thin-film transistor is connected to a drain of the second thin-film transistor. A drain of the third thin-film transistor is connected to the sharing electrode. The sharing electrode includes a first sharing electrode and a second sharing electrode electrically connected to the first sharing electrode. The projection of the first sharing electrode on the base substrate at least partially overlaps the projection of the pixel electrode on the base substrate.Type: GrantFiled: June 28, 2023Date of Patent: January 7, 2025Assignee: HKC CORPORATION LIMITEDInventors: Shasha Li, Rongrong Li
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Patent number: 12193260Abstract: A display apparatus includes: a substrate having a display area and a peripheral area outside the display area; a first conductive layer on the substrate in the peripheral area and including a first hole; a second conductive layer on the first conductive layer and overlapping the first conductive layer, the second conductive layer including a second hole; a planarization layer extending from the display area to the peripheral area and including at least two organic insulating layers between the first conductive layer and the second conductive layer; and a display element on the planarization layer in the display area, wherein a part of a portion of the second conductive layer except for the second hole is in contact with a part of a portion of the first conductive layer except for the first hole.Type: GrantFiled: January 30, 2023Date of Patent: January 7, 2025Assignee: Samsung Display Co., Ltd.Inventors: Heerim Song, Yujin Lee, Haemin Kim, Cheolgon Lee
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Patent number: 12191424Abstract: A display device includes a pixel, which includes at least one first light emitting element disposed between a first electrode and a second electrode; at least one second light emitting element disposed between a second electrode and a third electrode; at least one third light emitting element disposed between a third electrode and a fourth electrode; a first intermediate electrode disposed on the second electrode and electrically connected to the at least one first light emitting element and the at least one second light emitting element; and a second intermediate electrode disposed on the fourth electrode and electrically connected to the at least one third light emitting elements. The first intermediate electrode and the second intermediate electrode are electrically connected to each other.Type: GrantFiled: January 15, 2021Date of Patent: January 7, 2025Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Jeong Hyun Lee, Sung Geun Bae, Myeong Hun Song, Jong Chan Lee, Tae Hee Lee, Kyung Ah Choi
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Patent number: 12189241Abstract: An electronic device is provided, which includes a first substrate, a second substrate, a data line, a first spacer, and a second spacer. The first spacer and the data line are on the first substrate, and the second spacer is on the second substrate and between the first spacer and the second substrate. Part of the first spacer does not overlap with the second spacer, and the first spacer includes a first portion, a second portion, and a third portion. The first portion overlaps with the second spacer. The first portion connects between the second portion and the third portion. The data line has a first part and a second part. The first part overlaps with the first portion. The second part does not overlap with the first portion. A maximum width of the first part is less than a maximum width of the second part.Type: GrantFiled: August 24, 2022Date of Patent: January 7, 2025Assignee: Innolux CorporationInventors: May Pan, Maggy Hsu
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Patent number: 12191418Abstract: The disclosure describes various aspects of monolithic integration of different light emitting structures on a same substrate. In an aspect, a device for light generation is described having a substrate with one or more buffer layers made a material that includes GaN. The device also includes light emitting structures, which are epitaxially grown on a same surface of a top buffer layer of the substrate, where each light emitting structure has an active area parallel to the surface and laterally terminated, and where the active area of different light emitting structures is configured to directly generate a different color of light. The device also includes a p-doped layer disposed over the active area of each light emitting structure and made of a p-doped material that includes GaN. The device may be part of a light field display and may be connected to a backplane of the light field display.Type: GrantFiled: April 24, 2023Date of Patent: January 7, 2025Assignee: GOOGLE LLCInventors: Gang He, Sheila K. Hurtt