Patents by Inventor Sheng-Yuan Sun
Sheng-Yuan Sun has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).
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Patent number: 11973068Abstract: A micro LED display device includes: a substrate; a plurality of micro light-emitting diodes disposed on the substrate; and a reflective layer and a black layer sequentially stacked on the substrate. The reflective layer and the black layer cover a surface of the substrate, wherein a top surface of the plurality of micro light-emitting diodes is exposed through the reflective layer and the black layer. A plurality of reflective banks and a plurality of black banks are sequentially disposed on the black layer and exposing the plurality of micro light-emitting diodes; and a color-conversion material covers the top surface of at least one of the plurality of micro light-emitting diodes. The color-conversion material is laterally disposed between the plurality of reflective banks. The reflective layer, the black layer, the plurality of reflective banks, and the plurality of black banks overlap each other in a display direction.Type: GrantFiled: October 28, 2021Date of Patent: April 30, 2024Assignee: PLAYNITRIDE DISPLAY CO., LTD.Inventors: Loganathan Murugan, Sheng-Yuan Sun, Po-Wei Chiu
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Publication number: 20240096856Abstract: A micro LED display device includes: a substrate; a plurality of micro light-emitting diodes disposed on the substrate; and a reflective layer and a black layer sequentially stacked on the substrate. The reflective layer and the black layer cover a surface of the substrate, wherein a top surface of the plurality of micro light-emitting diodes is exposed through the reflective layer and the black layer. A plurality of reflective banks and a plurality of black banks are sequentially disposed on the black layer and exposing the plurality of micro light-emitting diodes; and a color-conversion material covers the top surface of at least one of the plurality of micro light-emitting diodes. The color-conversion material is laterally disposed between the plurality of reflective banks. The reflective layer, the black layer, the plurality of reflective banks, and the plurality of black banks overlap each other in a display direction.Type: ApplicationFiled: November 29, 2023Publication date: March 21, 2024Applicant: PlayNitride Display Co., Ltd.Inventors: Loganathan MURUGAN, Sheng-Yuan SUN, Po-Wei CHIU
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Patent number: 11935985Abstract: A micro light-emitting diode (LED) display panel including a substrate, a first micro LED, a first light-shielding wall, a second micro LED, and a second light-shielding wall is provided. The substrate includes a plurality of pixel regions arranged in an array. The first micro LED is disposed on one of the pixel regions of the substrate. The first light-shielding wall is disposed on the substrate and located beside the first micro LED. The second micro LED is disposed on the one of the pixel regions of the substrate and located beside the first micro LED. The second light-shielding wall is disposed on the substrate and located beside the second micro LED. A light wavelength of the first micro LED is different from a light wavelength of the second micro LED. A height of the first light-shielding wall is smaller than a height of the second light-shielding wall.Type: GrantFiled: August 23, 2021Date of Patent: March 19, 2024Assignee: PlayNitride Display Co., Ltd.Inventors: Sheng-Yuan Sun, Loganathan Murugan, Po-Wei Chiu
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Publication number: 20240089607Abstract: An image sensing device and a control device of an illumination device thereof are provided. The control device includes a control circuit, an operation circuit, and multiple driving signal generators. The control circuit generates multiple control signals. The operation circuit performs a logical operation on the control signals and an image capturing signal to generate multiple operation results. The driving signal generator respectively provides multiple driving signals to the illumination device according to the operation results, and the driving signals respectively have multiple different output powers.Type: ApplicationFiled: May 29, 2023Publication date: March 14, 2024Applicant: HTC CorporationInventors: Chao Shuan Huang, Sheng-Long Wu, Yu-Jui Hsu, Shih-Yao Tsai, Tun-Hao Chao, Sen-Lin Chung, Chih Pin Chung, Chih-Yuan Chien, Shih Hong Sun
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Patent number: 11923399Abstract: A micro light-emitting diode display panel includes a substrate, at least one light-emitting element, a reflective layer and a light-absorbing layer. The at least one light-emitting element is disposed on the substrate to define at least one pixel, and each light-emitting element includes micro light-emitting diodes. The reflective layer is disposed on the substrate and located between the micro light-emitting diodes. The reflective layer has cavities surrounding the micro light-emitting diodes, such that a thickness of a portion of the reflective layer close to any one of the micro light-emitting diodes is greater than a thickness of a portion of the reflective layer away from the corresponding micro light-emitting diode. The light-absorbing layer is at least disposed in the cavities of the reflective layer.Type: GrantFiled: March 31, 2021Date of Patent: March 5, 2024Assignee: PlayNitride Display Co., Ltd.Inventors: Sheng-Yuan Sun, Loganathan Murugan, Po-Wei Chiu, Yun-Li Li
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Patent number: 11916170Abstract: A micro-light-emitting diode chip includes an epitaxial structure, an electrode, a transparent structure, and a reflection layer. The epitaxial structure has a light exit surface, a back surface opposite to the light exit surface, and a sidewall surface. The sidewall surface is connected to the light exit surface and the back surface. The electrode is electrically coupled to the epitaxial structure. The transparent structure has an inner surface and an outer surface opposite to the inner surface. The inner surface is connected to the sidewall surface. A distance between the outer surface and the inner surface on a plane where the back surface is located is less than a distance between the outer surface and the inner surface on a plane where the light exit surface is located. The reflection layer is in direct contact with the outer surface. A micro-light-emitting diode display is also provided.Type: GrantFiled: September 13, 2021Date of Patent: February 27, 2024Assignee: PlayNitride Display Co., Ltd.Inventors: Sheng-Yuan Sun, Loganathan Murugan, Po-Wei Chiu
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Publication number: 20240055549Abstract: A selectable-repairing micro light emitting diode display is provided. A backplane includes a plurality of transistor units. A plurality of pixel units are disposed on the backplane, and each of the pixel units includes a plurality of original sub-pixel units and at least one selectable-repairing sub-pixel unit. Each of the original sub-pixel units includes a set of original pad. The set of original pad is disposed on the backplane and connected to one of the transistor units. The at least one selectable-repairing sub-pixel unit is arranged between two of the original sub-pixel units next to each other and having different colors, and includes a set of repairing pad. The set of repairing pad is not connected to the transistor units. A plurality of micro light emitting elements are electrically connected to the sets of original pad and controlled to emit light through the corresponding transistor units, respectively.Type: ApplicationFiled: October 23, 2023Publication date: February 15, 2024Inventors: KUAN-YUNG LIAO, SHENG-YUAN SUN, KUN-HUA TSAI
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Patent number: 11843074Abstract: A selectable-repairing micro light emitting diode display is provided. A backplane includes a plurality of transistor units. A plurality of pixel units are disposed on the backplane, and each of the pixel units includes a plurality of original sub-pixel units and at least one selectable-repairing sub-pixel unit. Each of the original sub-pixel units includes a set of original pad. The set of original pad is disposed on the backplane and connected to one of the transistor units. The at least one selectable-repairing sub-pixel unit is arranged between two of the original sub-pixel units next to each other and having different colors, and includes a set of repairing pad. The set of repairing pad is not connected to the transistor units. A plurality of micro light emitting elements are electrically connected to the sets of original pad and controlled to emit light through the corresponding transistor units, respectively.Type: GrantFiled: April 28, 2021Date of Patent: December 12, 2023Assignee: PlayNitride Display Co., Ltd.Inventors: Kuan-Yung Liao, Sheng-Yuan Sun, Kun-Hua Tsai
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Publication number: 20230395759Abstract: A display panel includes a pixel unit. The pixel unit includes a first sub-pixel and a second sub-pixel. The first sub-pixel includes a first light-emitting element, a first light source element, and a first color conversion structure. A light emitted by the first light-emitting element has a first color. The first color conversion structure is disposed on the first light source element and adapted to convert a light emitted by the first light source element into a light of the first color. The second sub-pixel includes a second light-emitting element. A light emitted by the second light-emitting element has a second color different from the first color.Type: ApplicationFiled: June 1, 2022Publication date: December 7, 2023Applicant: PlayNitride Display Co., Ltd.Inventors: LOGANATHAN MURUGAN, Sheng-Yuan Sun, Po-Wei Chiu
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Patent number: 11776990Abstract: A micro light-emitting diode display panel including first and second substrates, micro light-emitting diodes, a wavelength conversion layer, a light-shielding pattern layer, a light filter layer, and an air gap is provided. The micro light-emitting diodes are disposed on the first substrate and respectively located in a plurality of sub-pixel areas. The micro light-emitting diodes are adapted to emit a light beam. The wavelength conversion layer is overlapped with at least a portion of the micro light-emitting diodes. The light beam is used to excite the wavelength conversion layer to emit a converted light beam. The light filter layer is disposed between the wavelength conversion layer and the second substrate and overlapped with the micro light-emitting diodes. The air gap is disposed between any two adjacent ones of any one of the micro light-emitting diodes, the second substrate, the wavelength conversion layer, and the light filter layer.Type: GrantFiled: November 29, 2021Date of Patent: October 3, 2023Assignee: PlayNitride Display Co., Ltd.Inventors: Sheng-Yuan Sun, Po-Wei Chiu, Loganathan Murugan
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Publication number: 20230231001Abstract: A micro light-emitting diode display device includes a display substrate, multiple pixels, and at least one color conversion layer. The pixels are disposed on the display substrate. Each of the pixels includes multiple sub-pixels. Each of the sub-pixels includes at least one micro light-emitting diode. The at least one color conversion layer is disposed on the pixels. The at least one color conversion layer is continuously disposed on at least a part of sub-pixels of different pixels along a same direction.Type: ApplicationFiled: March 16, 2022Publication date: July 20, 2023Applicant: PlayNitride Display Co., Ltd.Inventors: Sheng-Yuan Sun, LOGANATHAN MURUGAN, Po-Wei Chiu
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Patent number: 11705441Abstract: A micro LED display device including a display substrate, a plurality of conductive pad pairs and a plurality of micro light emitting elements is provided. The display substrate has a first arranging area, a splicing area connected to the first arranging area, and a second arranging area connected to the splicing area, wherein the splicing area is located between the first arranging area and the second arranging area. The conductive pad pairs are disposed on the display substrate in an array with the same pitch. The micro light emitting elements are disposed on the display substrate and are electrically bonded to the conductive pad pairs. A manufacturing method of the micro LED display device is also provided.Type: GrantFiled: June 28, 2021Date of Patent: July 18, 2023Assignee: PlayNitride Display Co., Ltd.Inventors: Sheng-Yuan Sun, Ying-Tsang Liu, Yi-Ching Chen, Pei-Hsin Chen, Yi-Chun Shih, Tzu-Yang Lin, Yu-Hung Lai
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Publication number: 20230154901Abstract: A display panel and a manufacturing method thereof are provided. The display panel includes a circuit substrate and a plurality of micro light-emitting diode structures. The micro light-emitting diode structures each include a micro light-emitting chip and a molding structure. The micro light-emitting chip is electrically bonded to the circuit substrate, and includes a first surface, a second surface, and a peripheral surface. The first surface is located on a side of the micro light-emitting chip facing the circuit substrate. The second surface is disposed opposite to the first surface. The peripheral surface connects the first surface and the second surface. The molding structure surrounds the peripheral surface and encloses the second surface of the micro light-emitting chip. The molding structure extends in a direction away from the circuit substrate and forms an inner side wall. The inner side wall and the second surface constitute an accommodating portion.Type: ApplicationFiled: January 6, 2022Publication date: May 18, 2023Applicant: PlayNitride Display Co., Ltd.Inventors: Shiang-Ning Yang, Sheng-Yuan Sun, LOGANATHAN MURUGAN, Yu-Yun Lo, Bo-Wei Wu
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Publication number: 20230135465Abstract: A micro LED display device includes: a substrate; a plurality of micro light-emitting diodes disposed on the substrate; and a reflective layer and a black layer sequentially stacked on the substrate. The reflective layer and the black layer cover a surface of the substrate, wherein a top surface of the plurality of micro light-emitting diodes is exposed through the reflective layer and the black layer. A plurality of reflective banks and a plurality of black banks are sequentially disposed on the black layer and exposing the plurality of micro light-emitting diodes; and a color-conversion material covers the top surface of at least one of the plurality of micro light-emitting diodes. The color-conversion material is laterally disposed between the plurality of reflective banks. The reflective layer, the black layer, the plurality of reflective banks, and the plurality of black banks overlap each other in a display direction.Type: ApplicationFiled: October 28, 2021Publication date: May 4, 2023Applicant: PlayNitride Display Co., Ltd.Inventors: Loganathan MURUGAN, Sheng-Yuan SUN, Po-Wei CHIU
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Publication number: 20230120789Abstract: An exposure apparatus including a micro light emitting diode display unit and a first projection optical system is provided. The micro light emitting diode display unit has a plurality of micro light emitting diodes. The micro light emitting diode display unit is adapted to individually control light emission signals of the micro light emitting diodes and forming a predetermined pattern. The first projection optical system is disposed on a light emitting path of the micro light emitting diode display unit. The first projection optical system is configured to form an exposure pattern on a photosensitive material layer at once by applying the predetermined pattern.Type: ApplicationFiled: January 24, 2022Publication date: April 20, 2023Applicant: PlayNitride Display Co., Ltd.Inventors: Po-Wei Chiu, Sheng-Yuan Sun, Yen-Yeh Chen
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Publication number: 20230109528Abstract: The micro-LED display device provided includes a substrate having a first circuit layer and a second circuit layer; a first pad on the first circuit layer and a second pad on the second circuit layer; a plurality of micro-LEDs, wherein each of the micro-LEDs includes a first electrode connected to the first pad and a second electrode connected to the second pad; a first bonding support layer disposed between the first and second pad and in direct contact with the substrate and the micro-LED; and a plurality of second bonding support layers, wherein each of the second bonding support layers includes a lower portion and a upper portion over the lower portion, wherein both portion are disposed between and in lateral contact with adjacent two of the micro-LEDs, and an optical density of the lower portion is greater than that of the upper portion under the same thickness.Type: ApplicationFiled: December 9, 2022Publication date: April 6, 2023Applicant: PlayNitride Display Co., Ltd.Inventors: Yu-Hung LAI, Yung-Chi CHU, Sheng-Yuan SUN, Ching-Hsiang LIN
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Publication number: 20230068483Abstract: A micro LED display device is provided. The micro LED display device includes a substrate having a display region, a plurality of micro LED structures disposed inside the display region and arranged in an array, and a plurality of light-converting structures disposed on some micro LED structures. The micro LED display device also includes a positioning frame disposed outside the display region and an isolation frame surrounding the positioning frame. The water vapor transmission rate of the isolation frame is lower than the water vapor transmission rate of the positioning frame. The micro LED display device further includes a cover plate disposed on the substrate and connected to the substrate by the positioning frame and the isolation frame.Type: ApplicationFiled: November 24, 2021Publication date: March 2, 2023Applicant: PlayNitride Display Co., Ltd.Inventors: Po-Wei CHIU, Sheng-Yuan SUN
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Publication number: 20230058551Abstract: A micro LED display device includes a circuit substrate, an epitaxial structure layer, a metal conductive layer, a light conversion layer and a light-shielding structure. The epitaxial structure layer includes a first surface, a second surface, and a plurality of micro LED units separated from each other. The micro LED units are electrically connected to the circuit substrate. The metal conductive layer is disposed on the second surface and directly contacts the epitaxial structure layer, and has a plurality of light conversion region each corresponds to one of the micro LED units. The light conversion layer is disposed in a part of the light conversion regions. The light-shielding structure does not cover the light conversion regions. In the direction perpendicular to a bonding surface of the circuit substrate, the thickness of the metal conductive layer is greater than that of the epitaxial structure layer.Type: ApplicationFiled: December 6, 2021Publication date: February 23, 2023Inventors: YEN-YEH CHEN, SHENG-YUAN SUN
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Patent number: 11587973Abstract: A micro light-emitting diode display panel includes a substrate, a plurality of pixel structures, and a plurality of wavelength conversion structures. The pixel structures are disposed on the substrate. Each pixel structure includes a plurality of micro light-emitting diodes. The micro light-emitting diodes are formed by a plurality of different portions of a connected epitaxial structure. The wavelength conversion structures are disposed in the epitaxial structure and are respectively aligned with at least a portion of the micro light-emitting diodes.Type: GrantFiled: April 20, 2020Date of Patent: February 21, 2023Assignee: PlayNitride Display Co., Ltd.Inventors: Yu-Yun Lo, Sheng-Yuan Sun, Chih-Ling Wu, Yen-Yeh Chen
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Publication number: 20230033031Abstract: A micro LED display device includes an epitaxial structure layer, a connection layer, a light conversion layer and a transparent layer. The epitaxial structure layer includes a plurality of micro LEDs disposed apart from each other. The connection layer is disposed at one side of the epitaxial structure layer away from the micro LEDs. The light conversion layer is fixed on the epitaxial structure layer through the connection layer and includes a plurality of light conversion portions. Each of the light conversion portions corresponds to one of the micro LEDs. The transparent layer is disposed at one side of the light conversion layer away from the epitaxial structure layer. The ratio of the thickness of the transparent layer to the width of each light conversion portion is between 0.1 and 40. A manufacturing method of the micro LED display device is also provided.Type: ApplicationFiled: November 3, 2021Publication date: February 2, 2023Inventors: Yen-Yeh CHEN, YU-JUI TSENG, SHENG-YUAN SUN, LOGANATHAN MURUGAN, PO-WEI CHIU