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公开(公告)号:US12055891B2
公开(公告)日:2024-08-06
申请号:US17491246
申请日:2021-09-30
Inventor: Yong Hae Kim , Gi Heon Kim , Joo Yeon Kim , Jong-Heon Yang , Sang Hoon Cheon , Seong-Mok Cho , Kyunghee Choi , Ji Hun Choi , Jae-Eun Pi , Chi-Sun Hwang
IPC: G03H1/22
CPC classification number: G03H1/2294 , G03H2225/22 , G03H2225/34
Abstract: Provided is an operation method for a digital hologram implementation device including a backlight and a spatial light modulator, the operation method including setting an initial phase value of an optical signal to a remedy phase, computing a reduced phase based on the remedy phase, correcting the remedy phase based on a difference between the reduced phase and a preset optimized phase, determining whether the corrected remedy phase is a stabilized phase, performing forward propagation on the stabilized phase and an amplitude of the optical signal, correcting the amplitude of the optical signal, performing backward propagation on the corrected amplitude and the stabilized phase, and determining whether a phase derived by the backward propagation is an optimized phase.
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公开(公告)号:US11895817B2
公开(公告)日:2024-02-06
申请号:US17529817
申请日:2021-11-18
Inventor: Sung Haeng Cho , Byung-Do Yang , Sooji Nam , Jaehyun Moon , Jae-Eun Pi , Jae-Min Kim
IPC: H10B10/00 , G11C11/417 , G11C11/412
CPC classification number: H10B10/12 , G11C11/412 , G11C11/417
Abstract: Provided is a static random-access memory (SRAM) device. The SRAM device includes a substrate including a PMOS area, a circuit wiring structure including an insulating layer and a wiring layer alternately stacked on the substrate, wherein the circuit wiring structure includes a first NMOS area and a second NMOS area vertically separated from the PMOS area with the first NMOS area therebetween, a first transistor including a first gate electrode disposed on the PMOS area, source/drain areas formed on the PMOS area on both sides of the first gate electrode, and a first channel connecting the source and drain areas to each other, a second transistor including a second gate electrode disposed in the first NMOS area and a second channel vertically overlapping the second gate electrode, and a third transistor including a third gate electrode disposed in the second NMOS area and a third channel vertically overlapping the third gate electrode, wherein the first channel includes silicon, wherein the second channel and the third channel include an oxide semiconductor.
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公开(公告)号:US09628079B2
公开(公告)日:2017-04-18
申请号:US15050187
申请日:2016-02-22
Inventor: Jae-Eun Pi , Chunwon Byun , OhSang Kwon , Eunsuk Park , Min Ki Ryu , Chi-Sun Hwang
IPC: H03K3/01 , H03K19/0185
CPC classification number: H03K19/018507
Abstract: A level shifter circuit a first transistor connected between a power source terminal of the level shifter circuit and an output terminal of the level shifter circuit, the first transistor being configured to transmit, in response to a first signal and a second signal, a power source voltage applied from the power source terminal to the output terminal, the first signal being received from an input terminal of the level shifter circuit through a first gate of the first transistor, the second signal being received through a second gate of the first transistor, and a second transistor connected between a ground terminal of the level shifter circuit and the output terminal, the second transistor being configured to transmit a ground voltage from the ground terminal to the output terminal in response to a gate signal received through a gate of the second transistor.
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公开(公告)号:US20160209809A1
公开(公告)日:2016-07-21
申请号:US14994029
申请日:2016-01-12
Inventor: Yong Hae Kim , Chi-Sun Hwang , Gi Heon Kim , Himchan Oh , Hojun Ryu , Chunwon Byun , Myung Lae Lee , Jae Won Lee , Jae-Eun Pi
IPC: G03H1/30 , G02F1/1335 , G02F1/1343 , G03H1/22
CPC classification number: G03H1/30 , G02F1/133553 , G02F1/133617 , G02F1/134336 , G03H1/02 , G03H1/2294 , G03H2001/0224 , G03H2001/2263 , G03H2001/303 , G03H2225/35 , G03H2225/52
Abstract: Provided is a holographic display device. The holographic display device includes a light source unit configured to emit a light, and a spatial light modulator (SLM) configured to modulate at least one of a phase and amplitude of the light emitted from the light source unit to output a hologram image, and including a plurality of pixel groups that are arranged in a first direction, wherein each of the plurality of pixel groups includes: first pixels arranged in a matrix x1×y1 and providing an image having a first wavelength, and second pixels adjacent to the first pixels in the first direction, arranged in a matrix x2×y2, and providing an image having a second wavelength that is different from the first wavelength.
Abstract translation: 提供了一种全息显示装置。 全息显示装置包括被配置为发射光的光源单元和被配置为调制从光源单元发射的光的相位和幅度中的至少一个以输出全息图像的空间光调制器(SLM),以及 包括沿第一方向布置的多个像素组,其中所述多个像素组中的每一个包括:以矩阵x 1×y 1排列并提供具有第一波长的图像的第一像素和与所述第一像素相邻的第二像素 在第一方向上以矩阵x2×y2排列,并且提供具有与第一波长不同的第二波长的图像。
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公开(公告)号:US12237331B2
公开(公告)日:2025-02-25
申请号:US17520853
申请日:2021-11-08
Inventor: Sung Haeng Cho , Byung-Do Yang , Sooji Nam , Jaehyun Moon , Jae-Eun Pi , Jae-Min Kim
IPC: H01L27/02 , H01L27/092 , H01L29/24 , H03K19/018 , H03K19/0185 , H03K19/0948
Abstract: Provided is a Complementary Metal Oxide Semiconductor (CMOS) logic element. The CMOS logic element includes a substrate including a PMOS area, a circuit wiring structure including an insulating layer and a wiring layer alternately stacked on the substrate, wherein the circuit wiring structure includes an NMOS area vertically spaced apart from the PMOS area, a first transistor disposed on the PMOS area, and a second transistor disposed on the NMOS area and complementarily connected to the first transistor, wherein the first transistor includes a first gate electrode, source/drain areas formed on the PMOS area on both sides of the first gate electrode, and a first channel connecting the source and drain areas to each other, wherein the second transistor includes a second gate electrode and a second channel vertically overlapping the second gate electrode, wherein the first channel includes silicon, wherein the second channel includes an oxide semiconductor.
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公开(公告)号:US12211630B2
公开(公告)日:2025-01-28
申请号:US17889204
申请日:2022-08-16
Inventor: Ji Hun Choi , Chan Woo Park , Ji-Young Oh , Seung Youl Kang , Yong Hae Kim , Hee-ok Kim , Jeho Na , Jaehyun Moon , Jong-Heon Yang , Himchan Oh , Seong-Mok Cho , Sung Haeng Cho , Jae-Eun Pi , Chi-Sun Hwang
IPC: H01B3/30 , H01B7/06 , H01B13/008 , H05K7/06 , H01B3/46
Abstract: Provided are stretchable electronics and a method for manufacturing the same. The stretchable electronics may include a substrate, a plurality of electronic elements disposed to be spaced apart from each other on the substrate, and a wire structure disposed on the substrate to connect the plurality of electronic elements to each other. The wire structure may include an insulator extending from one of the electronic elements to the other of the adjacent electronic elements and a metal wire configured to cover a top surface and side surfaces of the insulator. The insulator may include at least one bent part in a plan view.
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公开(公告)号:US12021151B2
公开(公告)日:2024-06-25
申请号:US17523320
申请日:2021-11-10
Applicant: ELECTRONICS AND TELECOMMUNICATIONS RESEARCH INSTITUTE , Korea Advanced Institute of Science and Technology
Inventor: Chi-Sun Hwang , SangHee Park , KwangHeum Lee , Jae-Eun Pi , SeungHee Lee , Jong-Heon Yang , Ji Hun Choi
IPC: H01L29/786 , H01L21/768 , H01L21/8234 , H01L29/40 , H01L29/49 , H01L29/66
CPC classification number: H01L29/78642 , H01L21/76877 , H01L21/823418 , H01L21/823437 , H01L29/401 , H01L29/4908 , H01L29/6653 , H01L29/6675 , H01L29/66969 , H01L29/78696 , H01L29/7869
Abstract: A vertical channel thin film transistor includes substrate, lower source/drain electrode, spacer layer, upper source/drain electrode covering portion of upper surface of the spacer layer, interlayer insulating pattern covering portion of upper surface of the upper source/drain electrode and upper surface of the spacer layer exposed by the upper source/drain electrode, contact hole disposed on the lower source/drain electrode and passing through the interlayer insulating pattern, the upper source/drain electrode, and the spacer layer, active pattern covering inner wall and bottom surface of the contact hole and extending over upper surface of the upper source/drain electrode and upper surface of the interlayer insulating pattern, gate insulating pattern filling portion of the contact hole and extending along upper surface of the active pattern, and gate electrode filling portion of the contact hole and extending along upper surface of the gate insulating pattern.
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公开(公告)号:US10261382B2
公开(公告)日:2019-04-16
申请号:US15353682
申请日:2016-11-16
Inventor: Tae-Youb Kim , Yong Hae Kim , Seong-Mok Cho , Jong-Heon Yang , Jae-Eun Pi
Abstract: Provided is a light modulating device including a light modulating unit provided on a substrate, a driving unit electrically connected to the light modulating unit and configured to drive the light modulating unit, and a cover disposed on the light modulating unit and configured to seal the light modulating unit, wherein the light modulating unit comprises an electrochromic device.
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公开(公告)号:US10068123B2
公开(公告)日:2018-09-04
申请号:US15380415
申请日:2016-12-15
Inventor: Jae-Eun Pi
Abstract: Provided is a fingerprint sensor. The fingerprint sensor according to an embodiment of the inventive concept includes a plurality of transmission lines, a plurality of receive lines, and a sensor array including sensor units connected to the plurality of transmission lines. Each of the sensor units includes a switch transistor having a gate terminal and one terminal, which are commonly connected to a corresponding transmission line of the plurality of transmission lines and a sensor transistor connected between the other end of the switch transistor and a corresponding receive line of the plurality of receive lines. The sensor transistor performs a current suppression on in response to a voltage of a virtual gate that is touched by a fingerprint.
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公开(公告)号:US12013662B2
公开(公告)日:2024-06-18
申请号:US17523197
申请日:2021-11-10
Inventor: Jae-Eun Pi , Yong Hae Kim , Jong-Heon Yang , Chul Woong Joo , Chi-Sun Hwang , Ha Kyun Lee , Seung Youl Kang , Gi Heon Kim , Joo Yeon Kim , Hee-ok Kim , Jeho Na , Jaehyun Moon , Won Jae Lee , Seong-Mok Cho , Ji Hun Choi
CPC classification number: G03H1/2249 , G01B11/026 , G06T7/536 , G03H2001/2281 , G03H2210/30 , G03H2222/12 , G03H2223/19 , G06T2207/10028
Abstract: An apparatus which analyses a depth of a holographic image is provided. The apparatus includes an acquisition unit that acquires a hologram, a restoration unit that restores a three-dimensional holographic image by irradiating the hologram with a light source, an image sensing unit that senses a depth information image of the restored holographic image, and an analysis display unit that analyzes a depth quality of the holographic image, based on the sensed depth information image, and the image sensing unit uses a lensless type of photosensor.
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