Plural Layers Patents (Class 313/506)
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Patent number: 11664354Abstract: An electronic device is provided in this disclosure. In some embodiments, the electronic device includes two display panels, a first filling element, and a second filling element. The two display panels adjoin each other. The first filling element and the second filling element are disposed between the two display panels, and a material of the first filling element is different from a material of the second filling element. In some embodiments, the electronic device includes a protection substrate, two light emitting plates, and a filling element. The two light emitting plates adjoin each other. The protection substrate is disposed corresponding to the two light emitting plates, and the two light emitting plates emit light towards the protection substrate. The filling element is disposed between the two light emitting plates.Type: GrantFiled: November 30, 2020Date of Patent: May 30, 2023Assignee: InnoLux CorporationInventors: Wan-Ling Huang, Chun-Hsien Lin, Yi-An Chen, Tsau-Hua Hsieh
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Patent number: 11665921Abstract: An organic light-emitting apparatus includes a lower substrate comprising a display area and a peripheral area around the display area; a first insulating layer on the display area and the peripheral area of the lower substrate, wherein a plurality of penetration holes are formed in the first insulating layer in the peripheral area; an upper substrate on the lower substrate; and a sealant in the plurality of penetration holes bonding the lower substrate to the upper substrate.Type: GrantFiled: November 20, 2017Date of Patent: May 30, 2023Assignee: Samsung Display Co., Ltd.Inventors: Sung-Ho Cho, Hyun-Young Kim, Il-Ryong Cho
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Patent number: 11665931Abstract: Embodiments described herein relate to a device comprising a substrate, a pixel-defining layer (PDL) structures disposed over the substrate and defining sub-pixels of the device, and a plurality overhang structures. Each overhang structure is defined by a top structure extending laterally past a body structure. Each body structure is disposed over an upper surface of each PDL structure. Overhang structures define a plurality of sub-pixels including a first sub-pixel and a second sub-pixel. Each sub-pixel includes an anode, an organic light-emitting diode (OLED) material, a cathode, and an encapsulation layer. The OLED materials are disposed over the first anode and extends under the overhang structures. The cathodes are disposed over the OLED materials and under the overhang structures. The encapsulation layers are disposed over the first cathode. The first encapsulation layer has a first thickness and the second encapsulation layer has a second thickness different from the first thickness.Type: GrantFiled: August 4, 2022Date of Patent: May 30, 2023Assignee: APPLIED MATERIALS, INC.Inventors: Chung-Chia Chen, Ji Young Choung, Dieter Haas, Yu-Hsin Lin, Jungmin Lee, Wen-Hao Wu, Si Kyoung Kim
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Patent number: 11665948Abstract: A display panel includes a base substrate; and a light-emitting device layer, disposed on the base substrate and including sub-pixels. A sub-pixel includes light-emitting regions and a non-light-emitting regions located between adjacent light-emitting regions. The display panel includes a light-shielding layer, disposed on the side of the light-emitting device layer away from the base substrate and including a light-shielding structure located in the non-light-emitting region; and a polarizer, disposed on the side of the light-shielding layer away from the base substrate and having an absorption axis in a first direction. In each sub-pixel, along the first direction, the minimum distance between the boundary of the light-emitting region and the light-shielding structure is a first distance B; along a second direction intersected with the first direction, the minimum distance between the boundary of the light-emitting region and the light-shielding structure is a second distance A; and B>A.Type: GrantFiled: November 25, 2020Date of Patent: May 30, 2023Assignee: TIANMA MICRO-ELECTRONICS CO., LTD.Inventor: Yang Zeng
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Patent number: 11665962Abstract: This organic electroluminescence element includes an anode, a cathode, and an organic layer disposed between the anode and the cathode. The organic layer includes a light-emitting layer and at least one layer disposed between the light-emitting layer and the anode. The light-emitting layer includes a compound represented by formula (1), and the at least one layer disposed between the light-emitting layer and the anode includes a compound represented by formula (2).Type: GrantFiled: August 9, 2018Date of Patent: May 30, 2023Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Yuki Nakano, Hirokatsu Ito, Tetsuya Masuda
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Patent number: 11656721Abstract: A pixel circuit, an array substrate, a display panel and a method of driving the same, and a display device. The pixel circuit includes: a light emitting device; a light sensitive touch control sub-circuit, connected to a first scan terminal, a second scan terminal, a data signal terminal and a signal reading line, the light sensitive touch control sub-circuit being configured to generate a detection signal based on a light intensity under a control of a first scan signal from the first scan terminal and a data signal from the data signal terminal and to output the detection signal through the signal reading line; and a light emitting driving control sub-circuit, connected to the first scan terminal, the second scan terminal and the data signal terminal, the light emitting driving control sub-circuit being configured to drive the light emitting device.Type: GrantFiled: February 25, 2019Date of Patent: May 23, 2023Assignee: BOE Technology Group Co., Ltd.Inventors: Shengji Yang, Xue Dong, Xiaochuan Chen, Hui Wang, Pengcheng Lu
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Patent number: 11655536Abstract: A film forming mask includes a plurality of first openings that are formed on the film-forming mask to form a thin film pattern on a substrate. A second opening includes a plurality of second openings that corresponds and is aligned along a side of at least one of the plurality of first openings. An opening area of the second opening is smaller than an opening area of each of the plurality of first openings.Type: GrantFiled: March 20, 2018Date of Patent: May 23, 2023Assignee: SHARP KABUSHIKI KAISHAInventors: Yoshinobu Miyamoto, Tohru Sonoda
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Patent number: 11653512Abstract: According to principals as disclosed herein an organic, light emitting diode assembly is provided having a first electrode. An electron injection layer is adjacent to the first electrode. A first electron transport layer composed of inorganic material is adjacent to the electron injection layer. A second electron transport layer composed of organic material is adjacent to the first electron transport layer and in contact with an organic light emitting material layer. The organic light emitting material layer is in direct, abutting contact with the second electron transport layer. A hole transport layer is adjacent to the organic light emitting material layer and a second electrode is adjacent to the hole transport layer.Type: GrantFiled: October 25, 2018Date of Patent: May 16, 2023Assignee: LG Display Co., Ltd.Inventors: Seung-Jae Lee, Jong-Kwan Bin, Na-Yeon Lee
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Patent number: 11653528Abstract: Provide is a light emitting device including a reflective layer including a phase modulation surface, a planarization layer disposed on the reflective layer, a first electrode disposed on the planarization layer, an organic emission layer disposed on the first electrode and configured to emit visible light that includes light of a first wavelength and light of a second wavelength that is shorter than the first wavelength, and a second electrode disposed on the organic emission layer, wherein the reflective layer and the second electrode form a micro cavity configured to resonate the light of the first wavelength, and wherein the planarization layer includes a light absorber configured to absorb the light of the second wavelength.Type: GrantFiled: December 4, 2020Date of Patent: May 16, 2023Assignee: SAMSUNG ELECTRONICS CO.. LTD.Inventors: Hyun Koo, Sunjin Song, Wonjae Joo, Sunghyun Han
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Patent number: 11653536Abstract: An organic light emitting display device includes a substrate having a display area and a peripheral area; a pad disposed on the substrate in the peripheral area; a first conductive pattern disposed on one side of the display area in the peripheral area and electrically connected to the pad; a second conductive pattern disposed on the substrate in the peripheral area and disposed on an opposite side of the first conductive pattern; a first connection electrode disposed on the first conductive pattern in the peripheral area and electrically connected to the first conductive pattern; and a second connection electrode disposed on the second conductive pattern in the peripheral area and electrically connected to the second conductive pattern. A cathode electrode of a light emitting diode is disposed on the first and second connection electrodes and electrically connected to the first and second connection electrodes.Type: GrantFiled: December 8, 2020Date of Patent: May 16, 2023Assignee: Samsung Display Co., Ltd.Inventors: Sang Moo Choi, Mi Hae Kim, Sang Won Seok, Hwan Soo Jang, Su Jin Lee
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Patent number: 11647665Abstract: A method of manufacturing a flexible display device includes forming a graphene adhesive layer on a carrier substrate, forming a flexible substrate on the graphene adhesive layer, forming a first barrier layer on the flexible substrate, forming a display element part on the first barrier layer, forming a protective film on the display element part, separating the flexible substrate from the carrier substrate, removing a remaining portion of the graphene adhesive layer from a surface of the flexible substrate, and forming a second barrier layer on the surface of the flexible substrate, after removing the remaining portion of the graphene adhesive layer from the surface of the flexible substrate.Type: GrantFiled: December 4, 2020Date of Patent: May 9, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Heekyun Shin, Taewook Kang, Seungjun Moon, Woojin Cho, Jeongmin Park
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Patent number: 11647646Abstract: A method for encapsulating openings in a display area includes: forming an intermediate layer having an isolation hole and an assembly via on a substrate, the isolation hole dividing the intermediate layer into separate display portion and isolation portion and the assembly via being spaced apart from the isolation hole by the isolation portion; forming a groove on a side of the isolation portion facing the display portion and/or on a side of the isolation portion away from the display portion; forming a light emitting layer including a first light emitting portion, a second light emitting portion, a third light emitting portion, and a fourth light emitting portion, wherein the third light emitting portion is separate from at least one of the second light emitting portion and the fourth light emitting portion; and forming an encapsulation layer that covers the light emitting layer and the isolation portion, and is filled in a groove.Type: GrantFiled: December 19, 2019Date of Patent: May 9, 2023Assignees: Chengdu BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.Inventors: Yufei Ji, Dong Yang, Jiahao Xu, Jianglin Wang, Dongliang Lu, Liang Song, Hao Cheng
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Patent number: 11641759Abstract: Disclosed are a manufacturing method of a display panel, a display panel and a display device. The manufacturing method includes the following steps: providing a base substrate; forming a planarization layer on a side of the base substrate; forming a first film layer on a side of the planarization layer facing away from the base substrate; forming an anode via penetrating through the first film layer and the planarization layer; forming an anode layer on a side of the first film layer facing away from the base substrate; patterning the anode layer to form a first opening on the anode layer; and after patterning the anode layer, patterning the first film layer to form a second opening on the first film layer. A material of the first film layer includes a non-metallic material.Type: GrantFiled: April 18, 2021Date of Patent: May 2, 2023Assignees: WUHAN TIANMA MICROELECTRONICS CO., LTD., WUHAN TIANMA MICROELECTRONICS CO., LTD. SHANGHAI BRANCHInventors: Zi Xu, Xinzhao Liu, Lin Cheng
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Patent number: 11641755Abstract: A top-emission type organic electroluminescent (EL) element and a top-emission type organic EL device are provided. The top-emission type organic EL element includes a first electrode, an organic functional layer disposed on the first electrode, and a second electrode disposed on a side of the organic functional layer facing away from the first electrode. The second electrode includes a work-function adjustment layer and a transparent metal oxide layer. The work-function adjustment layer is disposed on the side of the organic functional layer facing away from the first electrode, and the transparent metal oxide layer is disposed on a side of the work-function adjustment layer facing away from the organic functional layer. The top-emission type organic EL element and the top-emission type organic EL device can improve the luminous efficiency and prolong the service life.Type: GrantFiled: May 10, 2021Date of Patent: May 2, 2023Assignee: XIANYANG CAIHONG OPTOELECTRONICS TECHNOLOGY CO., LTDInventors: Qizhe Cai, Yuanyuan Qi
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Patent number: 11635670Abstract: Described herein is a dynamic optical modulator including a plurality of pixels arranged in a grid, the pixels comprising a plurality of unit-cells, the unit-cell comprising a dielectric layer sandwiched between two at least partially conductive layers, wherein the optical characteristics of each of said unit-cells is controlled by the application of a voltage across each of the pixels of the plurality of pixels.Type: GrantFiled: September 30, 2021Date of Patent: April 25, 2023Assignee: Spectralics Ltd.Inventors: Eran Falek, Yuval Kashter, Ran Abraham Bar-Yosef
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Patent number: 11631702Abstract: A lightweight flexible light-emitting device which is able to possess a curved display portion and display a full color image with high resolution and the manufacturing process thereof are disclosed. The light-emitting device comprises: a plastic substrate; an insulating layer with an adhesive interposed therebetween; a thin film transistor over the insulating layer; a protective insulating film over the thin film transistor; a color filter over the protective insulating film; an interlayer insulating film over the color filter; and a white-emissive light-emitting element formed over the interlayer insulating film and being electrically connected to the thin film transistor.Type: GrantFiled: February 3, 2021Date of Patent: April 18, 2023Assignee: Semiconductor Energy Laboratory Co., Ltd.Inventors: Satoshi Seo, Kaoru Hatano
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Patent number: 11629289Abstract: Provided herein are aggregation-induced emission luminogens, methods of preparation and use thereof, and devices and sensors comprising the same. The aggregation-induced emission luminogens can exhibit multi-stimuli responsive emissions.Type: GrantFiled: April 28, 2020Date of Patent: April 18, 2023Assignee: The Hong Kong University of Science and TechnologyInventors: Benzhong Tang, Jing Zhang
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Patent number: 11627646Abstract: The present disclosure provides a method of manufacturing a display device. The method includes: providing a substrate; forming an electroluminescence element on the substrate; forming a partition structure on the electroluminescence element, the partition structure including an opening; forming a light conversion element in the opening; and forming an optical element on the light conversion element.Type: GrantFiled: November 17, 2020Date of Patent: April 11, 2023Assignee: InnoLux CorporationInventors: Hsiao-Lang Lin, Tsung-Han Tsai, Kuan-Feng Lee
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Patent number: 11621309Abstract: A light emitting device includes a metal reflective layer including a phase modulation surface on which oblong phase modulation elements are formed; a first electrode provided on the metal reflective layer; an organic emission layer that is provided on the first electrode and that emits light; and a second electrode provided on the organic emission layer, wherein the oblong phase modulation elements are arranged to form a geometric phase lens.Type: GrantFiled: December 28, 2020Date of Patent: April 4, 2023Assignees: SAMSUNG ELECTRONICS CO., LTD., IUCF-HYU (INDUSTRY-UNIVERSITY COOPERATION FOUNDATION HANYANG UNIVERSITYInventors: Sunghoon Lee, Seokho Song, Wonjae Joo
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Patent number: 11617290Abstract: An organic light-emitting device includes: a first electrode; a second electrode facing the first electrode; an emission layer between the first electrode and the second electrode; a hole transport region between the first electrode and the emission layer; and an electron transport region between the emission layer and the second electrode, wherein the electron transport region includes a first compound, at least one selected from the hole transport region and the electron transport region includes a second compound, the first compound is represented by one selected from Formulae 1A to 1D, and the second compound is represented by Formula 2A or Formula 2B:Type: GrantFiled: July 27, 2016Date of Patent: March 28, 2023Assignee: Samsung Display Co., Ltd.Inventors: Younsun Kim, Seulong Kim, Dongwoo Shin, Jungsub Lee, Naoyuki Ito, Jino Lim, Hyein Jeong
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Patent number: 11611043Abstract: The present application, which pertains to the technical field of organic materials, provides a nitrogen-containing compound, an electronic component, and an electronic device. The structure of the nitrogen-containing compound is shown in Formula 1, in which A is the group represented by Formula 2. The nitrogen-containing compound can improve the performance of electronic component.Type: GrantFiled: June 8, 2020Date of Patent: March 21, 2023Assignee: SHAANXI LIGHTE OPTOELECTRONICS MATERIAL CO., LTD.Inventors: Min Yang, Peng Nan, Lingang Li, Tiantian Ma
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Patent number: 11609368Abstract: A display device includes: a substrate including light-emitting areas and a light-blocking area including a spacer area; a color filter layer including color filters and a dummy color pattern, wherein the color filters are disposed in the light emitting areas, and the dummy color pattern is disposed in the spacer area; a light-transmitting layer disposed on the color filter layer and including a light-transmitting pattern and a light-transmitting dummy pattern, wherein the light-transmitting pattern is disposed on the color filters, and the light-transmitting dummy pattern is disposed on the dummy color pattern; and a bank layer disposed on the dummy color pattern, wherein the bank layer includes a spacer part disposed in the light-blocking area, and a bank part disposed in the light-blocking area, wherein the spacer part overlaps the spacer area, wherein the bank part has a smaller height than the spacer part with respect to the substrate.Type: GrantFiled: March 1, 2021Date of Patent: March 21, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: In Seok Song, Byung Chul Kim, Jang Wi Ryu, Gak Seok Lee, Ha Lim Ji
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Patent number: 11611055Abstract: An organic light emitting display device has a plurality of first electrodes, intermediate layers, and second electrodes that correspond to a plurality of pixel areas. The first electrodes are spaced from one another, the second electrodes are spaced from one another, and the intermediate layers are spaced from one another. A conductive protection layer is formed over the second electrodes, and a connection electrode layer is formed over the conductive protection layer and electrically connecting the second electrodes.Type: GrantFiled: October 26, 2020Date of Patent: March 21, 2023Assignee: Samsung Display Co., Ltd.Inventors: Jiyoung Choung, Jungsun Park, Hyunsung Bang, Duckjung Lee
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Patent number: 11605676Abstract: A display device achieves a high resolution and a low power consumption through provision of subpixels each including a single light emitting layer and subpixels each including a plurality of overlapping light emitting layers. In the display device, it is also unnecessary to increase the number of expensive fine metal masks even for rendering of various grayscales. In addition, in the display device, different light emitting layers overlap with each other, and a charge generation layer is disposed between the overlapping light emitting layers, and, as such, emission of a secondary color can be achieved without necessity of a material for an additional light emitting layer of the secondary color.Type: GrantFiled: June 14, 2021Date of Patent: March 14, 2023Assignee: LG DISPLAY CO., LTD.Inventor: Song-Yi Jeong
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Patent number: 11605802Abstract: A display apparatus includes a substrate, a pixel layer arranged over the substrate and including a plurality of display elements, an encapsulation member sealing the pixel layer, and a refractive layer arranged on the encapsulation layer and including a first refractive layer and a second refractive layer. The first refractive layer includes openings that correspond to the plurality of display elements, and the second refractive layer includes high refractive particles. The second refractive layer includes a first layer and a second layer, the first layer includes the high refractive particles dispersed in a first concentration, and the second layer includes the high refractive particles dispersed in a second concentration different from the first concentration.Type: GrantFiled: April 15, 2021Date of Patent: March 14, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Kihyun Kim, Younggil Park, Hyunsu Son, Huiyeon Choe
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Patent number: 11600799Abstract: A display device includes a substrate, an OLED module disposed on a first surface of the substrate, and a tracing region disposed on a second surface of the substrate. The second surface is opposite to the first surface, and the tracing region is electrically connected to the OLED module.Type: GrantFiled: September 25, 2019Date of Patent: March 7, 2023Assignee: KunShan Go-Visionox Opto-Electronics Co., Ltd.Inventor: Tan Zhang
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Patent number: 11598989Abstract: A backlight unit including: a base substrate in which a light emitting area and a non-light emitting area are defined; a wiring layer including: a lower conductive layer disposed on the base substrate; an intermediate conductive layer disposed on the lower conductive layer; and an upper conductive layer disposed on the intermediate conductive layer; a light emitting element disposed on the wiring layer in the light emitting area; a connection member electrically connecting the light emitting element and the wiring layer, the connection member contacting the intermediate conductive layer of the wiring layer and the light emitting element; a backlight flexible substrate electrically connected to the wiring layer in the non-light emitting area; and a pad connection member electrically connecting the wiring layer and the backlight flexible substrate in the non-light emitting area, the pad connection member contacting the upper conductive layer of the wiring layer.Type: GrantFiled: June 4, 2020Date of Patent: March 7, 2023Assignee: Samsung Display Co., LTD.Inventors: Duk Sung Kim, Jung Hyun Kwon, Jae Won Lee
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Patent number: 11600230Abstract: A display substrate, a driving method thereof, and a display device. The display substrate includes: a first display sub-region including a plurality of first repeating regions each including a first pixel unit and a second pixel unit disposed adjacently, the first pixel unit including a first sub-pixel and a second sub-pixel, and the second pixel unit including a second sub-pixel and a third sub-pixel; and a second display sub-region including a plurality of second repeating regions each including a third pixel unit and a first transparent pixel, the third pixel unit including a first sub-pixel, a second sub-pixel and a third sub-pixel; the first transparent pixel is configured such that a pixel density of the second display sub-region is less than a pixel density of the first display sub-region, and a light transmittance of the second display sub-region is greater than a light transmittance of the first display sub-region.Type: GrantFiled: January 18, 2022Date of Patent: March 7, 2023Assignee: BOE Technology Group Co., Ltd.Inventors: Yanyan Wang, Lujiang Huangfu, Wenjing Tan
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Patent number: 11592702Abstract: Provided are a polarizing plate and an optical display device including same, the polarizing plate comprising a polarizing film and a contrast ratio enhancement layer formed on a light-emitting surface of the polarizing film, wherein the contrast ratio enhancement layer comprises: a first resin layer including a pattern unit having one or more engraved patterns and a flat portion formed between the engraved patterns; and a second resin layer directly formed on the pattern unit, wherein the engraved patterns have a base angle of approximately 75° to approximately 90°, the pattern unit satisfies formula 1, the first resin layer has a refractive index larger than that of the second resin layer, and the first resin layer includes a dye of which the maximum absorption wavelength is approximately 550 nm to approximately 620 nm.Type: GrantFiled: May 14, 2018Date of Patent: February 28, 2023Assignee: Samsung SDI Co., Ltd.Inventors: Jeong Ho Lee, Dae Gyu Lee, Yong Un Jung, Young Oh, Dong Ho Wee, Jang Hyun Cho, Young Hyun Ju
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Patent number: 11594685Abstract: The present invention relates to an organic light emitting device comprising a light emitting layer and an electron transport layer which satisfy the following mathematical expressions, EHOMO-ET>EHOMO-BH and ELUMO-ET>ELUMO-GH, and having improved driving voltage, efficiency, and lifetime.Type: GrantFiled: March 26, 2018Date of Patent: February 28, 2023Assignee: LG CHEM, LTD.Inventors: Jung Oh Huh, Dong Hoon Lee, Boon Jae Jang, Min Young Kang, Dong Uk Heo, Mi Yeon Han
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Patent number: 11594684Abstract: An organic light-emitting device includes a condensed cyclic compound represented by Formula 1, where at least one of X4 to X11 is C(Rx), and Rx is a group represented by Formula 2: The condensed cyclic compound represented by Formula 1 has a planar conformation because of the single bond linking the 8 and 8? positions of the spirobifluorene moiety. Accordingly, the condensed cyclic compound may provide the organic light-emitting device with suitable hole mobility and thermal stability.Type: GrantFiled: April 21, 2020Date of Patent: February 28, 2023Assignee: Samsung Display Co., Ltd.Inventors: Eunjae Jeong, Dongjun Kim, Minji Kim, Sohee Jo, Sanghyun Han
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Patent number: 11585504Abstract: A device comprising an organic light-emitting diode comprising an organic layer sequence, a radiation exit area and an encapsulation, wherein the organic layer sequence comprises at least one radiation-emitting region which generates electromagnetic radiation in the spectral range from infrared radiation to UV radiation during operation, and wherein the encapsulation forms a seal of the organic layer sequence against environmental influences, at least one touch-sensitive operating element, wherein the at least one touch-sensitive operating element comprises at least one touch sensor, wherein the device is flexible.Type: GrantFiled: February 13, 2020Date of Patent: February 21, 2023Inventors: Ulrich Kastner-Jung, Markus Klein, Stan Maes, Romana Sigl, Annette Haid, Stephan Lintner, Julian Herget, Gregor Matjan
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Patent number: 11586072Abstract: A display structure having a laser light wavelength conversion layer includes a display in addition to the laser light wavelength conversion layer. The display has a backlight module and a display panel provided on the light output side of the backlight module. The display panel has a color filter and a light-permeable protective layer formed on the light output side of the color filter. The color filter has a plurality of color sub-pixels. The laser light wavelength conversion layer is formed between the color sub-pixels or on or in the light-permeable protective layer. The display, therefore, can function as a fabric-based projection screen by allowing a laser pointer to generate a visible light point on the images displayed by the display during a presentation.Type: GrantFiled: November 18, 2020Date of Patent: February 21, 2023Assignee: CENTRAL WISDOM TECHNOLOGY CONSULTING CORP.Inventor: Chiu-Fen Wang
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Patent number: 11587986Abstract: An organic light emitting display device includes: light emitting diodes respectively located in first to third sub-pixels on a substrate and respectively emitting red, green and blue color lights output upward through emission regions of the first to third sub-pixels; and a reflection structure located in a non-emission region surrounded by the first to third sub-pixels and including reflection side surfaces which are inclined and respectively face the emission regions of the first to third sub-pixels, wherein the reflection side surface reflects a light incident thereon from the corresponding emission region upward.Type: GrantFiled: August 24, 2020Date of Patent: February 21, 2023Assignee: LG Display Co., Ltd.Inventors: Jong-Sung Kim, Tae-Han Park, Ho-Won Choi, Dong-Young Kim
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Patent number: 11587996Abstract: A display apparatus includes a first transistor, a first pixel electrode, a second transistor, and a second pixel electrode. The first transistor includes a first drain electrode. The first pixel electrode is positioned between an edge of the display apparatus and a center of the display apparatus and includes a first recessed structure. The first recessed structure directly contacts the first drain electrode. The second transistor includes a second drain electrode. The second pixel electrode is positioned between the edge of the display apparatus and the first pixel electrode and includes at least one recessed structure. The at least one recessed structure includes a second recessed structure. The second recessed structure directly contacts the second drain electrode. A total maximum width of the at least one recessed structure is greater than a maximum width of the first recessed structure.Type: GrantFiled: November 3, 2020Date of Patent: February 21, 2023Inventors: Eonjoo Lee, Hyoeng-Ki Kim, Kwangwoo Park, Dongki Lee, Jin-Whan Jung
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Patent number: 11588135Abstract: A microcavity pixel design and structure allowing for tuning the optical cavity length of the microcavity of a microcavity pixel structure. This is achieved by including an intermediate electrode in the device which has an overhang region to form a connecting area to a bottom electrode, alleviating design restrictions in material type and dimensions throughout the optical microcavity tuning process. A method for the fabrication of a multi-colored microcavity pixel array facilitating the use of blanket deposition methods for select layers within a microcavity pixel structure.Type: GrantFiled: July 7, 2020Date of Patent: February 21, 2023Assignee: Avalon Holographies Inc.Inventors: Jiaqi Cheng, Jordan Peckham
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Patent number: 11579345Abstract: The present disclosure relates to a reflective device and a display apparatus. In one embodiment, a reflective device includes: a resonant cavity configured to reflect a light of a first wavelength range; and a light conversion structure disposed within the resonant cavity and configured to convert an incident light of a second wavelength range into the light of the first wavelength range.Type: GrantFiled: December 15, 2017Date of Patent: February 14, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Ming Zhu, Xue Dong, Meili Wang, Fei Wang, Wei Wang
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Patent number: 11581517Abstract: A display device includes pixels connected to scan lines and data lines intersecting the scan lines, wherein each of the pixels includes a light-emitting element, a driving transistor to control a driving current supplied to the light-emitting element according to a data voltage applied from the data lines, and a switching transistor to apply the data voltage of the data line to the driving transistor according to a scan signal applied from the scan lines. The driving transistor includes a first active layer having an oxide semiconductor and a first gate electrode below the first active layer. The switching transistor includes a second active layer having a same oxide semiconductor as the oxide semiconductor of the first active layer and a second gate electrode below the second active layer. At least one of the driving transistor and the switching transistor includes an oxide layer above each of the active layers.Type: GrantFiled: April 1, 2020Date of Patent: February 14, 2023Assignee: Samsung Display Co., Ltd.Inventors: Joon Seok Park, Yeon Keon Moon, Myoung Hwa Kim, Tae Sang Kim, Hyung Jun Kim, Geun Chul Park, Sang Woo Sohn, Jun Hyung Lim, Kyung Jin Jeon, Hye Lim Choi
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Patent number: 11575087Abstract: An organic electroluminescence device includes: an emitting region provided between a cathode and an anode; and a hole transporting zone provided between the anode and the emitting region, in which the hole transporting zone includes at least a first anode side organic layer and a second anode side organic layer, the first anode side organic layer is in direct contact with the second anode side organic layer, a total film thickness of the hole transporting zone is in a range from 20 nm to 80 nm, the first anode side organic layer contains no compound contained in the second anode side organic layer, the first anode side organic layer contains a first organic material and a second organic material, the first organic material is different from the second organic material, and a content of the first organic material in the first anode side organic layer is less than 50 mass %.Type: GrantFiled: October 26, 2021Date of Patent: February 7, 2023Assignee: IDEMITSU KOSAN CO., LTD.Inventors: Hiroaki Toyoshima, Kazuki Nishimura, Emiko Kambe, Masato Nakamura, Tetsuya Masuda, Yusuke Takahashi
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Patent number: 11569313Abstract: A display device includes a metal layer between a pixel-defining layer and an opposite electrode, the metal layer contacting the opposite electrode. The display device includes subpixels disposed on a substrate. The sub-pixels each include a pixel electrode, an opposite electrode facing the pixel electrode, an emission layer disposed between the pixel electrode and the opposite electrode, a pixel-defining layer surrounding the emission layer. The display device includes a metal layer disposed between the pixel-defining layer and the opposite electrode, the metal layer contacting the opposite electrode.Type: GrantFiled: May 21, 2020Date of Patent: January 31, 2023Assignee: SAMSUNG DISPLAY CO., LTD.Inventors: Minsu Lee, Deokhoi Kim, Sungin Ro, Soomin Lee, Changyong Lee, Sanghyun Lim, Soonmyung Hong
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Patent number: 11569304Abstract: The present disclosure provides a display substrate, a method for manufacturing the same, and a display device. The display substrate includes: a base substrate having pixel regions arranged in an array, each pixel region including a first sub-pixel region and a second sub-pixel region; a light emitting layer and a color conversion layer sequentially stacked on the base substrate; the color conversion layer includes a first color conversion block in at least the first sub-pixel region of at least one pixel region, each of the at least one first color conversion block includes at least two color conversion materials for converting a light component of a color into a light of a target display color, colors of the light components converted by the color conversion materials are different, the target display color is different from the color of the light emitted from the light emitting layer.Type: GrantFiled: March 4, 2019Date of Patent: January 31, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventors: Jiangnan Lu, Shi Shu
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Patent number: 11569306Abstract: A display apparatus includes a first substrate; a first light-emitting device, a second light-emitting device, and a third light-emitting device disposed over the first substrate, each of the first to third light-emitting devices including a first light emission layer; a second substrate disposed over the first substrate with the first to third light-emitting devices therebetween, the second substrate including a first through hole, a second through hole, and a third through hole overlapping the first to third light-emitting devices; a reflective layer on an inner surface of each of the first to third through holes; a first color filter layer in the first through hole; a second color filter layer and a second quantum dot layer in the second through hole; and a third color filter layer and a third quantum dot layer in the third through hole.Type: GrantFiled: August 27, 2020Date of Patent: January 31, 2023Assignee: Samsung Display Co., Ltd.Inventors: Sanghyung Lim, Soonmi Choi
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Patent number: 11563907Abstract: The present application discloses a pixel circuit of a photo detector panel. The pixel circuit includes a reset sub-circuit for resetting voltages at a first node and a second node, a photoelectric-conversion sub-circuit coupled to the first node and configured to convert an optical signal to a first voltage at the first node, a compensation sub-circuit coupled between the first node and the second node and configured to store the first voltage and determine a second voltage at the second node. The pixel circuit further includes an integration sub-circuit coupled to the first node and to determine a third voltage at the second node to be applied to a gate of a driving transistor to generate a current flowing from an input port provided with a bias voltage to an output port. The current is substantially independent from a threshold voltage of the driving transistor and the bias voltage.Type: GrantFiled: December 15, 2017Date of Patent: January 24, 2023Assignee: BOE TECHNOLOGY GROUP CO., LTD.Inventor: Zhanjie Ma
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Patent number: 11562689Abstract: A display device includes five light-emitting layers including four light-emitting layers arranged in two rows and two columns, and one light-emitting layer diagonally adjacent to each of the four light-emitting, layers, wherein three subpixel circuits corresponding to the one light-emitting layer and two light-emitting layers adjacent in a row direction among the five light-emitting layers are connected to an identical scanning signal line, and four subpixel circuits corresponding to the one light-emitting layer and three light-emitting layers diagonally adjacent to the one light-emitting layer among the five light-emitting layers are connected to four different data signal lines.Type: GrantFiled: March 25, 2019Date of Patent: January 24, 2023Assignee: SHARP KABUSHIKI KAISHAInventor: Tetsuya Ueno
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Patent number: 11563197Abstract: The present application describes a display panel having a plurality of subpixels. Each of the plurality of subpixels has a light blocking region and a light transmissive region surrounding the light blocking region. Each of the plurality of subpixels in the light blocking region includes a first base substrate and a second base substrate facing each other; a first light emitting element and a first reflective block on a side of the first base substrate proximal to the second base substrate; and a second reflective block on a side of the second base substrate proximal to the first base substrate. The first reflective block and the second reflective block are configured to reflect light emitted from the first light emitting element to the light transmissive region thereby displaying an image.Type: GrantFiled: March 29, 2018Date of Patent: January 24, 2023Assignee: BOE Technology Group Co., Ltd.Inventors: Xiaolong Li, Fangzhen Zhang, Wei Qin, Kuanjun Peng
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Patent number: 11563198Abstract: A display unit includes a plurality of pixels, a reflector layer, and an auxiliary electrode. Each of the plurality of pixels has a first electrode, an organic layer, and a second electrode in this order. The organic layer and the second electrode are provided on the first electrode. The organic layer includes a light-emitting layer. The reflector layer has a light-reflecting surface around each of the pixels. The auxiliary electrode is provided on the reflector layer and is projected from an upper end of the light-reflecting surface. The auxiliary electrode has a portion which is exposed from the organic layer, and the exposed portion is covered with the second electrode.Type: GrantFiled: September 30, 2020Date of Patent: January 24, 2023Assignee: Sony CorporationInventor: Daisuke Ueda
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Patent number: 11563184Abstract: Provided is a heterocyclic compound of Chemical Formula 1: and an organic light emitting device including the same.Type: GrantFiled: July 11, 2018Date of Patent: January 24, 2023Assignee: LG CHEM, LTD.Inventors: Min Woo Jung, Dong Hoon Lee, Jungoh Huh, Seongmi Cho, Jungha Lee
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Patent number: 11557440Abstract: In a first aspect, the present invention relates to a perovskite material comprising negatively charged layers alternated with and neutralized by positively charged layers; the negatively charged layers having a general formula selected from the list consisting of: Ln?1MnX3n+1, LnMnX3n+2, and Ln?1M?nX3n+3, and the positively charged layers comprising: one or more organic ammonium cations independently selected from monovalent cations Q and divalent cations Q?, or a polyvalent cationic conjugated organic polymer Z, wherein Q, Q? and Z comprise each a ?-conjugated system in which at least 8 and preferably at least 10 atoms participate, L is a monovalent cation, Mn are n independently selected metal cations averaging a valence of two, M?n are n independently selected metal cations averaging a valence equal to 2+2/n, X is a monovalent anion, and n is larger than 1.Type: GrantFiled: January 16, 2020Date of Patent: January 17, 2023Assignees: IMEC vzw, Universiteit HasseltInventors: Laurence Lutsen, Dirk Vanderzande
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Patent number: 11557633Abstract: An organic light emitting device having a structure that a plurality of light emitting units are deposited, is disclosed, of which white color shift caused by variation of a viewing angle is reduced through a combination between dopant materials of the respective light emitting units. The organic light emitting device includes dopant materials emitting light of different wavelengths from the plurality of light emitting units. Therefore, in the organic light emitting device, variation of color and luminance, which is perceived by a user as a viewing angle is varied, may be reduced.Type: GrantFiled: August 14, 2020Date of Patent: January 17, 2023Assignee: LG Display Co., Ltd.Inventor: Byungsoo Kim
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Patent number: 11555088Abstract: The invention relates to a method for producing an object from a construction material, the construction material comprising radically crosslinkable groups, NCO groups and groups having Zerewitinoff active H atoms, and the object being a three-dimensional object and/or a layer. During and/or after the production of the object, the construction material is heated to a temperature of >50° C., and the construction material comprises one or more cyclic tin compounds of formula F-I, F-II and/or F-III.Type: GrantFiled: March 26, 2018Date of Patent: January 17, 2023Assignee: Covestro Deutschland AGInventors: Dirk Achten, Thomas Büsgen, Christoph Tomczyk, Jan Weikard, Frank Richter, Roland Wagner