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公开(公告)号：US20200351462A1
公开(公告)日：2020-11-05
申请号：US16843912
申请日：2020-04-09
发明人： Ping-Hung Yin , Jia-Shyang Wang , Teng-Chien Yu
IPC分类号： H04N5/369 , H04N5/378 , H04N9/04 , H04N5/353 , G01S17/894
摘要： An image sensor with a distance sensing function and an operating method thereof are provided. The image sensor includes a pixel array, a cluster analog to digital converter readout circuit, and a column readout circuit. The pixel array includes a plurality of sub-pixel groups arranged in an array. The plurality of sub-pixel groups are spaced apart from each other by a circuit layout area. The cluster analog to digital converter readout circuit is disposed in the circuit layout area of the pixel array. A distance sensing pixel of each of the plurality of sub-pixel groups is configured to perform time-of-flight ranging. The column readout circuit is disposed adjacent to the pixel array. A plurality of image sensing pixels of each of plurality of the sub-pixel groups are configured to perform image sensing.
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公开(公告)号：US10811548B2
公开(公告)日：2020-10-20
申请号：US16368881
申请日：2019-03-29
发明人： Jia-Shyang Wang , Ping-Hung Yin , Hsu-Wen Fu , Chun-Yu Lee
IPC分类号： H01L31/0232 , H01L31/02
摘要： An integrated circuit having an optical structure is provided. The integrated circuit includes a semiconductor substrate and a plurality of light guiding pattern layers. The light guiding pattern layers are located above the semiconductor substrate, and each of the light guiding pattern layers has a plurality of openings and a plurality of side wall portions corresponding to the openings. Each of the side wall portions surrounds the corresponding opening. A projection of one of the openings of one of the light guiding pattern layers on the semiconductor substrate at least partially overlaps a projection of one of the openings of the adjacent light guiding pattern layer on the semiconductor substrate, so as to form at least one light via hole and allow external light to be transferred to the semiconductor substrate through the light guiding pattern layers.
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公开(公告)号：US10810395B2
公开(公告)日：2020-10-20
申请号：US16352833
申请日：2019-03-14
发明人： Ping-Hung Yin , Jia-Shyang Wang
IPC分类号： G06K9/00 , H04N5/235 , H04N5/355 , H04N5/378 , H01L27/146 , H04N5/3745 , H04N5/353 , G11C11/412 , G11C11/419 , H01L27/11 , H04N1/21 , G09G3/3225 , G06F13/20 , H04N5/232 , G06F13/42 , H04N1/00 , G02B1/04 , G02B3/00 , G02B27/09 , G02B27/42 , G03F7/20 , H01L23/00 , G02B27/30 , H04L29/08 , G11C7/10 , G11C7/24 , G06F13/38 , G06K9/20 , G02B6/32 , H01S5/022 , H01S5/183 , F21K9/60
摘要： An electronic device and an image capture method are provided. The electronic device includes an image sensor, a ramp analog to digital converter, and a memory. The image sensor includes a plurality of pixel units arranged in an array, and the pixel units output a plurality of first image capturing signals and a plurality of second image capturing signals in an image capturing operation. The ramp analog to digital converter generates a plurality of most significant bit data corresponding to a plurality of pixels according to a first nonlinear ramp signal and the first image capturing signals, and generates a plurality of least significant bit data corresponding to the plurality of pixels according to a second nonlinear ramp signal and the second image capturing signals. The memory stores the most significant bit data of these pixels and the least significant bit data of these pixels together to generate frame data.
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公开(公告)号：US10785434B2
公开(公告)日：2020-09-22
申请号：US16507044
申请日：2019-07-10
发明人： Ping-Hung Yin , Jia-Shyang Wang
IPC分类号： H04B10/00 , H04N5/3745 , G01N21/552 , G01N21/64 , G02B5/22 , G02B5/28 , H01L31/112 , H04B10/116 , H04L7/00 , H04N5/353 , H04N5/369 , H04N5/378 , H04N9/04
摘要： A visible light communication sensor is provided. The visible light communication sensor includes a sensing module, an image data readout circuit, and a visible light communication data readout circuit. The sensing module includes a plurality of pixel units arranged in an array. When the sensing module performs an image sensing operation, a first portion of the pixel units performs an image sensing operation, and the image data readout circuit is idle. When the sensing module performs a visible light communication operation, a second portion of the plurality of pixel units receives a visible light communication signal, so that the visible light communication data readout circuit outputs the visible light communication data, and the image data readout circuit performs an analog-to-digital conversion on a plurality of image sensing signals outputted by the first portion of the plurality of pixel units performed in the image sensing operation to output image sensing data.
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公开(公告)号：US20200021768A1
公开(公告)日：2020-01-16
申请号：US16402254
申请日：2019-05-03
发明人： Dong-Long Lin , Jia-Shyang Wang , Ping-Hung Yin
IPC分类号： H04N5/3745 , H04N5/378 , H04N5/353
摘要： An image sensor and a pixel array circuit thereof are provided. The image sensor includes the pixel array circuit and a readout circuit. The pixel array circuit includes pixel units. Each pixel unit includes a photo sensor, N storages, N transmission circuits, and M floating diffusion nodes. The N storages are coupled to the photo sensor and configured to store charges accumulated by the photo sensor at different exposures. Each transmission circuit is coupled between a corresponding storage and a corresponding floating diffusion node, and controlled by one of N transmission control signals to transmit the charges of the corresponding storage to the corresponding floating diffusion node during a certain time period. The readout circuit is coupled to the M floating diffusion nodes and configured to obtain N digital pixel values respectively corresponding to N image frames according to voltages of the M floating diffusion nodes of each pixel unit.
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公开(公告)号：US20240153457A1
公开(公告)日：2024-05-09
申请号：US18497010
申请日：2023-10-30
发明人： Ping-Hung Yin , Jia-Shyang Wang , Dean Wang
IPC分类号： G09G3/3233
CPC分类号： G09G3/3233 , G09G2300/0819 , G09G2300/0842 , G09G2310/08 , G09G2360/14
摘要： The present invention is related to a display device, including: a plurality of sub-pixel areas, each including a pixel circuit, each pixel circuit including: a diode, configured to be in a forward-biasing state during a display phase of the pixel circuit for light-emitting and configured to be in a reverse-biasing state in a sensing phase of the pixel circuit for light-sensing; a driving transistor for driving the diode during the display phase and serving as a source follower in the sensing phase; first to sixth transistors, applied to the gates of the first to sixth transistors respectively so that the pixel circuit switching between the display phase and the sensing phase; and a capacitor for storing a data voltage to be written to the diode in the display phase and storing the charge accumulated by the diode in the sensing phase.
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公开(公告)号：US20240153447A1
公开(公告)日：2024-05-09
申请号：US18500168
申请日：2023-11-02
发明人： Ping-Hung Yin , Jia-Shyang Wang , Shih-Chan Tai
IPC分类号： G09G3/32
CPC分类号： G09G3/32 , G09G2300/0819 , G09G2300/0842 , G09G2310/0291 , G09G2310/08 , G09G2360/14
摘要： The present invention is related to a display device, including: a plurality of sub-pixel areas, each including a sub-pixel circuit, each sub-pixel circuit including: a diode, configured to be in a forward-biasing state during a displaying phase of the sub-pixel circuit for emitting light and configured to be in a reverse-biasing state for sensing light of the sub-pixel circuit in a sensing phase; a driving transistor for driving the diode during the display phase; first to sixth transistors, gate control signals are applied to gates of the first to sixth transistors respectively, so that the sub-pixel circuit switching between the display phase and the sensing phase; and a capacitor for storing a data voltage to be written to the diode in the display phase, wherein in the sensing phase the diode generates a photocurrent to an operational amplifier, such that the operational amplifier outputs a photocurrent output signal.
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公开(公告)号：US11953629B2
公开(公告)日：2024-04-09
申请号：US17367443
申请日：2021-07-05
发明人： Ping-Hung Yin , Jia-Shyang Wang
IPC分类号： G01S7/4865 , G01J1/44 , G01S7/481 , G01S7/484 , G01S7/4863 , G01S17/10 , G01S17/14 , G04F10/00 , H01L27/144 , H01L27/146 , H01L31/107
CPC分类号： G01S7/4865 , G01J1/44 , G01S7/4814 , G01S7/4816 , G01S7/484 , G01S7/4863 , G01S17/10 , G01S17/14 , G04F10/005 , H01L27/1446 , H01L27/14609 , H01L31/107 , G01J2001/442 , G01J2001/444 , G01J2001/4466 , G01J2001/448
摘要： A light sensor and a ranging method are provided. The light sensor includes a light source, a sensing sub-pixel, and a control circuit. The sensing sub-pixel includes a diode. The control circuit operates the diode in a Geiger mode or an avalanche linear mode. The control circuit includes a time-to-digital converter, and the time-to-digital converter includes a counting circuit. The counting circuit includes a plurality of counting units. When the time-to-digital converter receives a sensing signal provided by the sensing sub-pixel, the control circuit generates a plurality of count values according to the sensing signal through the counting units of the counting circuit, where the count values are histogram data corresponding to a distance sensing result.
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公开(公告)号：US20230370751A1
公开(公告)日：2023-11-16
申请号：US18304323
申请日：2023-04-20
发明人： Ping-Hung Yin , Jia-Shyang Wang , Jia-Sian Lyu
摘要： An image sensor and an operation method thereof are provided. The image sensor includes a pixel circuit and a column readout circuit. The pixel circuit includes a pixel unit, a transfer transistor, a reset transistor, a readout transistor and a selection transistor. The column readout circuit includes a first circuit node and a second circuit node. A first terminal of the first reset transistor and a first terminal of the first readout transistor are coupled to a first circuit node, and a second terminal of the first select transistor is coupled to a second circuit node.
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公开(公告)号：US20230370750A1
公开(公告)日：2023-11-16
申请号：US18303586
申请日：2023-04-20
发明人： Ping-Hung Yin , Jia-Shyang Wang , Yu-Hsiang Wang
IPC分类号： H04N25/78 , H04N25/709
CPC分类号： H04N25/78 , H04N25/709
摘要： An image sensor and an operating method thereof are provided. The image sensor includes a first pixel circuit, a first column readout circuit, and a second column readout circuit. The first pixel circuit includes a first pixel unit, a first transfer transistor, a first reset transistor, a first readout transistor, and a first capacitor. The first column readout circuit includes a first circuit node. The second column readout circuit includes a bias transistor. A first terminal of the first reset transistor and a first terminal of the first readout transistor are coupled to the first circuit node, and a second terminal of the first readout transistor is coupled to the bias transistor.
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