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公开(公告)号：US20240282760A1
公开(公告)日：2024-08-22
申请号：US18653575
申请日：2024-05-02
发明人： Jin Woo CHOI , Min Woo KIM , Dae Ho SONG , Hyung II JEON
IPC分类号： H01L25/16 , H01L21/683 , H01L23/00
CPC分类号： H01L25/167 , H01L21/6835 , H01L24/95 , H01L2221/68368 , H01L2221/68381 , H01L2224/95001
摘要： A display device and a method of manufacturing the display device are proposed. The method may include disposing light emitting elements on a first transfer film; stretching the first transfer film so that the plurality of light emitting elements are spaced apart from each other; transferring the light emitting elements onto a thin film transistor array substrate; and removing the transfer film from the light emitting elements.
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公开(公告)号：US20240021660A1
公开(公告)日：2024-01-18
申请号：US18182113
申请日：2023-03-10
发明人： So Young YEO , Soo Chul KIM , Jin Taek PARK , Dae Ho SONG , Eok Yi LEE
IPC分类号： H01L27/15
CPC分类号： H01L27/156
摘要： A display device includes: a circuit board including a plurality of pixel drivers respectively corresponding to a plurality of emission areas; a plurality of pixel electrodes on the circuit board and respectively corresponding to the plurality of emission areas; a plurality of pixel connection electrodes respectively on the plurality of pixel electrodes, each of the plurality of pixel connection electrodes including: a main layer on each of the plurality of pixel electrodes; and a sub-layer surrounding a part of a side surface of the main layer adjacent to a top surface of the main layer and including a material different from a material of the main layer; and a plurality of light emitting elements respectively on the plurality of pixel connection electrodes.
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公开(公告)号：US20240014350A1
公开(公告)日：2024-01-11
申请号：US18127555
申请日：2023-03-28
发明人： Sung Won CHO , Soo Chul KIM , Dae Ho SONG , Eok Yi LEE , Jae Ho CHOI
IPC分类号： H01L33/38 , H01L33/10 , H01L33/62 , H01L25/075 , H01L33/50
CPC分类号： H01L33/382 , H01L33/10 , H01L33/62 , H01L25/0753 , H01L33/505 , H01L2933/0016 , H01L2933/0066 , H01L2933/0041
摘要： A display device includes: a substrate; pixel electrodes on the substrate; light emitting elements on the pixel electrodes and extending in a thickness direction of the substrate; a first insulating layer extending around sides of the light emitting element; and a connection electrode between one of the pixel electrodes and a corresponding one of the light emitting elements. The connection electrode includes: a connection portion bonding the pixel electrode to the light emitting element; and a reflection portion integral with the connection portion and extending around the sides of the light emitting element on the first insulating layer.
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公开(公告)号：US20230122324A1
公开(公告)日：2023-04-20
申请号：US17889819
申请日：2022-08-17
发明人： Hyung Il JEON , Min Woo KIM , Sung Kook PARK , Ki Seong SEO , Dae Ho SONG , Jin Woo CHOI
IPC分类号： H01L27/15
摘要： A display device includes a first pixel, a second pixel, and a third pixel, bank patterns disposed on a substrate, light-emitting elements disposed between the bank patterns, color conversion layers disposed on the light-emitting elements between the bank patterns, and protective layers disposed on the color conversion layers, wherein the protective layers in the first pixel, the second pixel, and the third pixel have different thicknesses.
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公开(公告)号：US20220352429A1
公开(公告)日：2022-11-03
申请号：US17733153
申请日：2022-04-29
发明人： Hae Yun CHOI , Tae Hee LEE , Hyung Il JEON , Joo Woan CHO , Dae Ho SONG , Byung Choon YANG
摘要： A display device includes a substrate; a partition wall on the substrate; a light-emitting element located in an emission area partitioned by the partition wall on the substrate and extended in a thickness direction of the substrate; a wavelength conversion layer over the light-emitting element in the emission area, and including a base resin and wavelength conversion particles dispersed in the base resin and configured to convert a wavelength of light emitted from the light-emitting element; and an optical member on the wavelength conversion layer and the partition wall and configured to adjust a path of light output from the wavelength conversion layer, and the optical member includes an optical layer and a first protruding pattern protruding from the optical layer toward the wavelength conversion layer.
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公开(公告)号：US20220352411A1
公开(公告)日：2022-11-03
申请号：US17553653
申请日：2021-12-16
发明人： Jin Woo CHOI , Min Woo KIM , Sung Kook PARK , Dae Ho SONG , So Yeon YOON , Joo Woan CHO
IPC分类号： H01L33/00 , H01L25/075
摘要： A manufacturing apparatus of a display device, includes: a first unit to transfer a plurality of light emitting elements on a growth substrate to a first film; a second unit to expand the first film; a third unit to retransfer the plurality of light emitting elements to a second film; a fourth unit to determine positions of the plurality of light emitting elements on the second film; a fifth unit to bin the light emitting elements on the second film, and determine an effective light source from among the light emitting elements; a sixth unit to form a plurality of pixels on a substrate, each pixel including a first bonding electrode; a seventh unit to remove the second film after transferring one light emitting element to the first bonding electrode of one pixel; and an eighth unit to form a second electrode on the one light emitting element.
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公开(公告)号：US20220352267A1
公开(公告)日：2022-11-03
申请号：US17544371
申请日：2021-12-07
发明人： Sung Eun BAEK , Jin Woo CHOI , Sung Kook PARK , Dae Ho SONG
摘要： A display device includes a pixel, the pixel includes a first electrode; at least one light emitting element disposed on the first electrode; and a second electrode including at least one overlapping part overlapping the at least one light emitting element and including at least one opening not overlapping the at least one light emitting element, and a shape, a size, and a position of the overlapping part of the second electrode vary according to a position of the at least one light emitting element and a number of light emitting elements.
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公开(公告)号：US20220352247A1
公开(公告)日：2022-11-03
申请号：US17684554
申请日：2022-03-02
发明人： Dae Ho SONG , Soo Chul KIM , Jin Taek PARK , So Young YEO , Ok Yi LEE , Joo Woan CHO
摘要： A display device may include a display element part disposed on a substrate and including a light emitting element, and a color conversion part disposed on the display element part and changing a wavelength of light emitted from the light emitting element. The color conversion part may include an insulating structure layer, a first partition wall structure layer, and a first wavelength conversion portion, the first partition wall structure layer may include first walls, and may be disposed between the insulating structure layer and the display element part, the first wavelength conversion portion may be disposed in a space defined by the first walls, and the first partition wall structure layer may include a silicon-based material.
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公开(公告)号：US20220352237A1
公开(公告)日：2022-11-03
申请号：US17558079
申请日：2021-12-21
发明人： Dae Ho SONG , Sung Eun BAEK , Ki Seong SEO , Byung Choon YANG , Tae Hee LEE , Byeong Hwa CHOI
摘要： A display device includes: a plurality of light emitting elements on a first substrate; a second substrate facing the first substrate; a partition wall on one surface of the second substrate facing the first substrate, and including a plurality of openings; a plurality of color filters in the plurality of openings; wavelength conversion layers on the plurality of color filters, respectively, and to convert wavelengths of light emitted from the plurality of light emitting elements; and an adhesive layer adhering the first substrate and the second substrate to each other. The partition wall includes a silicon single crystal.
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公开(公告)号：US20220020831A1
公开(公告)日：2022-01-20
申请号：US17220621
申请日：2021-04-01
发明人： Hyung Il JEON , Min Woo KIM , Dae Ho SONG , Byung Choon YANG , Jin Woo CHOI
摘要： A display device, includes: a substrate including a plurality of pixel areas each having an emission area; and a pixel provided in each of the pixel areas, wherein the pixel comprises: at least one light emitting element on a first surface of the substrate; a first insulating layer on the light emitting element; at least one transistor on the first insulating layer and electrically connected to the light emitting element; a second insulating layer on the transistor; a common electrode on the second insulating layer; and a pixel electrode on a third insulating layer of the common electrode and electrically connected to the transistor, wherein the light emitting element comprises a semiconductor structure on the substrate, and first and second electrodes on the semiconductor structure to be spaced apart from each other.
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