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公开(公告)号：US10914555B2
公开(公告)日：2021-02-09
申请号：US15949172
申请日：2018-04-10
Inventor： Tae-Youb Kim , Juhee Song , Chil Seong Ah , Seong-Mok Cho , Sujung Kim , Joo Yeon Kim , Hojun Ryu , Jeong Ik Lee , Sang Hoon Cheon , Chi-Sun Hwang
Abstract: Provided is an active camouflage device including a reflective layer, a first electrode disposed on the reflective layer, a second electrode facing the first electrode, and an electrolyte provided between the first and second electrodes. The first electrode includes a transparent electrode, and the second electrode includes a metal mesh.
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公开(公告)号：US10825932B2
公开(公告)日：2020-11-03
申请号：US16374095
申请日：2019-04-03
Inventor： Jae-Eun Pi , Seung Youl Kang , Jaehyun Moon , Seongdeok Ahn , Jongchan Lee , Chul Woong Joo , Chi-Sun Hwang
IPC: H01L29/786 , H01L29/66
Abstract: Provided is a thin film transistor including a substrate, a first spacer on the substrate, a second spacer on the first spacer, a light shield layer intervened between the first spacer and the second spacer, a semiconductor layer on the second spacer, and a gate electrode on the semiconductor layer, wherein the light shield layer includes a plurality of inclined surfaces against a top surface of the substrate.
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公开(公告)号：US10782588B2
公开(公告)日：2020-09-22
申请号：US16281934
申请日：2019-02-21
Inventor： Gi Heon Kim , Yong Hae Kim , Chi-Sun Hwang
IPC: G02F1/29 , G02F1/1335 , G02F1/1343 , G02F1/1347
Abstract: Provided is an optoelectronic element including a first substrate, a first electrode on the first substrate, a first lens pattern disposed on the first electrode and including a liquid crystal and a black dye molecule, a second lens pattern disposed on the first lens pattern, and a second electrode on the second lens pattern, wherein the black dye molecule includes about 1 to 4 azo groups and about 2 to 5 aromatic cyclic compounds.
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公开(公告)号：US09904251B2
公开(公告)日：2018-02-27
申请号：US14996527
申请日：2016-01-15
Inventor： Chunwon Byun , Jae-Eun Pi , Yong Hae Kim , Hakyun Lee , Chi-Sun Hwang
CPC classification number: G03H1/2294 , G02F1/13 , G03H2001/0224 , G09G3/003 , G09G3/3648 , G09G3/3688 , G09G2310/0297 , G09G2320/0223
Abstract: A holographic display apparatus includes a light source unit, a spatial light modulator, and a spatial light modulator control circuit for controlling the spatial light modulator, the spatial light modulator control circuit including a data driving circuit for providing a data voltage to a signal line, a demultiplexer circuit which includes a plurality of switching elements connected to the signal line and sequentially turned on, and transfers the data voltage to a transfer line through a turned-on switching element among the switching elements, and a first element connected between the transfer line and a data line, passing a current flowing from the transfer line to the data line, and blocking a current flowing from the data line to the transfer line.
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公开(公告)号：US11832486B2
公开(公告)日：2023-11-28
申请号：US17943528
申请日：2022-09-13
Inventor： Jong-Heon Yang , Seung Youl Kang , Yong Hae Kim , Hee-ok Kim , Jeho Na , Jaehyun Moon , Chan Woo Park , Himchan Oh , Seong-Mok Cho , Sung Haeng Cho , Ji Hun Choi , Jae-Eun Pi , Chi-Sun Hwang
IPC: H10K59/131 , G09G3/3225 , G09G3/3266 , H10K59/124
CPC classification number: H10K59/131 , G09G3/3225 , G09G3/3266 , G09G2300/0426 , G09G2300/0814 , G09G2300/0842 , H10K59/124
Abstract: Provided are a semiconductor device, a display panel, and a display device including the same. The semiconductor device includes a lower electrode on one side of a substrate, a spacer on another side of the substrate, a middle electrode on the spacer, a lower channel layer on portions of a sidewall of the spacer, the middle electrode, and the lower electrode, a lower gate insulating layer on the lower channel layer, a common gate electrode on the gate insulating layer, an upper gate insulating layer on the common gate electrode, an upper electrode on the spacer and the upper gate insulating layer of the middle electrode, an upper channel layer connected to the upper electrode and disposed on a sidewall of the upper gate insulating layer, and a contact electrode connected to a portion of the upper channel layer and passing through the lower gate insulating layer and the upper gate insulating layer outside the common gate electrode so as to be connected to the lower electrode.
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Patent Agency Ranking
公开(公告)号：US11706946B2
公开(公告)日：2023-07-18
申请号：US17191276
申请日：2021-03-03
Inventor： Ji-Young Oh , Himchan Oh , Chul Woong Joo , Seung Youl Kang , Chan Woo Park , Seongdeok Ahn , Jae-Eun Pi , Chi-Sun Hwang
CPC classification number: H10K50/844 , H10K77/111 , H10K85/324 , H10K85/615 , H10K85/654 , H10K85/6565 , H10K85/6572 , H10K50/15 , H10K50/16
Abstract: Provided is a stretchable display device. The stretchable display device includes a substrate and a base pattern on the substrate, wherein the base pattern comprises a first portion, a second portion, and a connection portion configured to connect the first portion to the second portion. The stretchable display device includes a lower electrode on the first portion of the base pattern; an upper electrode on the lower electrode, a light emitting structure between the lower electrode and the upper electrode, and a protective layer configured to cover top and side surfaces of the upper electrode, side surfaces of the light emitting structure, a side surface of the lower electrode, and a portion of a side surface of the base pattern. The upper electrode extends to a top surface of the connection portion and a top surface of the second portion of the base pattern, and the first portion and the second portion of the base pattern extend in a first direction parallel to a top surface of the substrate. The first portion and the second portion are parallel to the top surface of the substrate and are spaced apart from each other in a second direction crossing the first direction. The connection portion extends in the second direction. A level of the lowermost surface of the protective layer is disposed between a bottom surface of the lower electrode and a bottom surface of the base pattern.
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公开(公告)号：US10741777B2
公开(公告)日：2020-08-11
申请号：US16204869
申请日：2018-11-29
Inventor： Chi-Sun Hwang , Seung Youl Kang , Byoung-Hwa Kwon , Gi Heon Kim , Seong Hyun Kim , Jaehyun Moon , Young Sam Park , Seongdeok Ahn , Jeong Ik Lee , Sung Haeng Cho
Abstract: Provided is a stretchable display including an elastic body, a light emitting unit on the elastic body, and a wiring unit on the elastic body, wherein the light emitting unit includes a first substrate unit on the elastic body, a buffer layer on the first substrate unit, and a light emitting element on the buffer layer, the wiring unit includes a second substrate unit on the elastic body, a driving element configured to control the light emitting element, a wiring configured to electrically connect the driving element and the light emitting element, and an insulation layer configured to cover the driving element and the wiring, the light emitting unit and the wiring unit have respective corrugation structures, a thickness of the light emitting unit is larger than that of the wiring unit, a modulus of elasticity of the buffer layer is larger than that of the insulation layer, and a modulus of elasticity of the elastic body is smaller than that of the insulation layer.
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公开(公告)号：US10008155B2
公开(公告)日：2018-06-26
申请号：US15220713
申请日：2016-07-27
Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , University-Industry Cooperation Group of Kyung Hee Univ
Inventor： Chunwon Byun , Jong-Heon Yang , Sung-Min Yoon , Kyoung Ik Cho , Chi-Sun Hwang
IPC: G09G3/12 , G09G3/3266 , G09G3/3233
CPC classification number: G09G3/3266 , G09G3/3233 , G09G2300/0842 , G09G2300/0861 , G09G2310/0286 , G09G2310/0289 , G09G2310/0291 , G09G2330/021 , G09G2330/028
Abstract: Provided is a gate driving circuit. The gate driving circuit includes an ith modulation circuit and an ith line selection circuit (where i is a natural number greater than 1). The ith modulation circuit outputs an ith modulation voltage to an ith line selection circuit based on received first to third control signals. The ith line selection circuit includes a memory transistor that is turned on or turned off according to a level of the received ith modulation voltage.
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公开(公告)号：US09897887B2
公开(公告)日：2018-02-20
申请号：US15234323
申请日：2016-08-11
Inventor： Joo Yeon Kim , Hojun Ryu , Sang Hoon Cheon , Seong-Mok Cho , Ji-Young Oh , Tae-Youb Kim , Chil Seong Ah , Yong Hae Kim , Jeong Ik Lee , Nam Sung Cho , Chi-Sun Hwang
CPC classification number: G02F1/1533 , G02F1/155 , G02F2001/1536
Abstract: Provided is an electrochromic device, which may prevent a damage of an electrode and include a lower substrate and an upper substrate configured to face each other with an electrolyte layer therebetween, an upper electrode provided between the electrolyte layer and the upper substrate, a lower electrode provided between the electrolyte layer and the lower substrate, an upper ion reactive layer provided between the upper electrode and the electrolyte layer, and a lower protection layer provided between the lower electrode and the electrolyte layer and configured to prohibit the lower electrode and the electrolyte layer from contacting.
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公开(公告)号：US09728149B2
公开(公告)日：2017-08-08
申请号：US15007856
申请日：2016-01-27
Inventor： Chunwon Byun , Jae-Eun Pi , Kyoung Ik Cho , Hye Yong Chu , Chi-Sun Hwang
IPC: G09G3/36 , G09G3/3233
CPC classification number: G09G3/3648 , G09G3/3233 , G09G2300/023 , G09G2300/046 , G09G2300/0842
Abstract: A display panel includes pixels connected to each of gate lines and data lines. Each of the pixels includes a first transistor connected between a corresponding data line among the data lines and a first node and configured to deliver a data signal of the corresponding data line to the first node in response to an input signal received through a corresponding gate line among the gate lines, a reflective element circuit connected to the first node, and configured to implement the reflective mode in response to a signal of the first node when a first mode selection signal indicates a reflective mode, an emissive element circuit connected to a second node, and configured to implement the emissive mode in response to the signal of the first node when the mode selection mode indicates an emissive mode.
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