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1. 发明授权

US11637142B2 High-speed light sensing apparatus III 有权
公开(公告)号：US11637142B2
公开(公告)日：2023-04-25
申请号：US16521974
申请日：2019-07-25
申请人： Artilux, Inc.
发明人： Yun-Chung Na , Che-Fu Liang , Shu-Lu Chen , Szu-Lin Cheng , Han-Din Liu , Chien-Lung Chen , Yuan-Fu Lyu , Chieh-Ting Lin , Bo-Jiun Chen , Hui-Wen Chen , Shu-Wei Chu , Chung-Chih Lin , Kuan-Chen Chu
IPC分类号： H01L27/146 , G01S7/486 , H01L31/103 , G01S7/481 , G01S7/491 , G01S7/4863 , H01L29/161 , G01S7/4914 , G01S17/36
摘要： A circuit, including: a photodetector including a first readout terminal and a second readout terminal different than the first readout terminal; a first readout circuit coupled with the first readout terminal and configured to output a first readout voltage; a second readout circuit coupled with the second readout terminal and configured to output a second readout voltage; and a common-mode analog-to-digital converter (ADC) including: a first input terminal coupled with a first voltage source; a second input terminal coupled with a common-mode generator, the common-mode generator configured to receive the first readout voltage and the second readout voltage, and to generate a common-mode voltage between the first and second readout voltages; and a first output terminal configured to output a first output signal corresponding to a magnitude of a current generated by the photodetector.

2. 发明授权

US11544873B2 High resolution 3D image processing apparatus and method thereof 有权
公开(公告)号：US11544873B2
公开(公告)日：2023-01-03
申请号：US16807179
申请日：2020-03-03
申请人： Artilux, Inc.
发明人： Shu-Lu Chen , Yu-Shiuan Li , Yun-Chung Na
IPC分类号： G06T15/00 , G06T7/80 , G06T17/00
摘要： Image processing apparatus and image processing method are provided. The image processing apparatus may include an image sensor having a plurality of photodetectors and include a 3D image calculating module. The image sensor may be configured to generate a first set of input information at a first time/first location and a second set of input information at a second time/second location, where the first set of input information may be associated with a first weighting value, and the second set of input information may be associated with a second weighting value. The 3D image calculating module may be configured to generate output information based on the first and the second sets of input information and the first and the second weighting values, wherein at least one of the plurality of photodetectors includes germanium.

3. 发明申请

US20210391370A1 PHOTO-DETECTING APPARATUS WITH LOW DARK CURRENT 有权
公开(公告)号：US20210391370A1
公开(公告)日：2021-12-16
申请号：US17458819
申请日：2021-08-27
申请人： Artilux, Inc.
发明人： Yen-Cheng Lu , Yun-Chung Na , Tsung-Ting Wu , Shu-Lu Chen , Chih-Wei Yeh
IPC分类号： H01L27/146 , H01L25/16
摘要： A photo-detecting apparatus is provided. The photo-detecting apparatus includes a carrier conducting layer having a first surface; an absorption region is doped with a first dopant having a first conductivity type and a first peak doping concentration, wherein the carrier conducting layer is doped with a second dopant having a second conductivity type and a second peak doping concentration, wherein the carrier conducting layer comprises a material different from a material of the absorption region, wherein the carrier conducting layer is in contact with the absorption region to form at least one heterointerface, wherein a ratio between the first peak doping concentration of the absorption region and the second peak doping concentration of the carrier conducting layer is equal to or greater than 10; and a first electrode and a second electrode both formed over the first surface of the carrier conducting layer.

4. 发明授权

US11131757B2 High-speed light sensing apparatus 有权
公开(公告)号：US11131757B2
公开(公告)日：2021-09-28
申请号：US16855163
申请日：2020-04-22
申请人： Artilux, Inc.
发明人： Yun-Chung Na , Che-Fu Liang
IPC分类号： G01S7/4863 , G01S17/894 , G01S17/10 , H01L27/146 , H01L29/161 , H01L31/103
摘要： An apparatus including a semiconductor substrate; an absorption layer coupled to the semiconductor substrate, the absorption layer including a photodiode region configured to absorb photons and to generate photo-carriers from the absorbed photons; one or more first switches controlled by a first control signal, the one or more first switches configured to collect at least a portion of the photo-carriers based on the first control signal; and one or more second switches controlled by a second control signal, the one or more second switches configured to collect at least a portion of the photo-carriers based on the second control signal, where the second control signal is different from the first control signal.

5. 发明授权

US11105928B2 Light-sensing apparatus and light-sensing method thereof 有权
公开(公告)号：US11105928B2
公开(公告)日：2021-08-31
申请号：US16904583
申请日：2020-06-18
申请人： Artilux, Inc.
发明人： Szu-Lin Cheng , Chien-Yu Chen , Shu-Lu Chen , Yun-Chung Na , Ming-Jay Yang , Han-Din Liu , Che-Fu Liang , Jung-Chin Chiang , Yen-Cheng Lu , Yen-Ju Lin
IPC分类号： G01S17/894 , G01S17/26 , H01L27/148 , G01S7/481
摘要： A photo-detecting apparatus is provided. The photo-detecting apparatus includes: a substrate made by a first material or a first material-composite; an absorption layer made by a second material or a second material-composite, the absorption layer being supported by the substrate and the absorption layer including: a first surface; a second surface arranged between the first surface and the substrate; and a channel region having a dopant profile with a peak dopant concentration equal to or more than 1×1015 cm−3, wherein a distance between the first surface and a location of the channel region having the peak dopant concentration is less than a distance between the second surface and the location of the channel region having the peak dopant concentration, and wherein the distance between the first surface and the location of the channel region having the peak dopant concentration is not less than 30 nm.

6. 发明申请

US20210232236A1 DISPLAY APPARATUS 有权
公开(公告)号：US20210232236A1
公开(公告)日：2021-07-29
申请号：US17210195
申请日：2021-03-23
申请人： Artilux, Inc.
发明人： Yun-Chung Na , Shu-Lu Chen
IPC分类号： G06F3/03 , G02F1/1333
摘要： Methods and devices for a display apparatus. In one aspect, a display apparatus includes a display device including a transparent layer, a display integrated circuit layer including one or more display control circuits, and a shielding layer between the transparent layer and the display integrated circuit layer, a near-infrared (NIR) light source and a visible light source, and a detector device including a detector integrated circuit layer including one or more detector control circuits, where a surface of the detector device contacts a surface of the display device, and a photodetector electrically coupled to at least one detector control circuit and including a detection region positioned to receive NIR light propagating from a front side of the display device to a back side of the display device along a path, where the shielding layer includes a filter region positioned in the path.

7. 发明授权

US10969877B2 Display apparatus 有权
公开(公告)号：US10969877B2
公开(公告)日：2021-04-06
申请号：US16405573
申请日：2019-05-07
申请人： Artilux, Inc.
发明人： Yun-Chung Na , Shu-Lu Chen
IPC分类号： G06F3/03 , G02F1/1333
摘要： Methods and devices for a display apparatus. In one aspect, a display apparatus includes a display device including a transparent layer, a display integrated circuit layer including one or more display control circuits, and a shielding layer between the transparent layer and the display integrated circuit layer, a near-infrared (NIR) light source and a visible light source, and a detector device including a detector integrated circuit layer including one or more detector control circuits, where a surface of the detector device contacts a surface of the display device, and a photodetector electrically coupled to at least one detector control circuit and including a detection region positioned to receive NIR light propagating from a front side of the display device to a back side of the display device along a path, where the shielding layer includes a filter region positioned in the path.

8. 发明申请

US20210099688A1 CALIBRATED PHOTO-DETECTING APPARATUS AND CALIBRATION METHOD THEREOF 有权
公开(公告)号：US20210099688A1
公开(公告)日：2021-04-01
申请号：US17033640
申请日：2020-09-25
申请人： Artilux, Inc.
发明人： Pai-Chuan Wu , Pai-Ting Huang , Feng-Cheng Chu , Yun-Chung Na , Chien-Lung Chen
IPC分类号： H04N13/246 , H04N13/243
摘要： A photo-detecting apparatus includes an image sensor and a 3D image generator. The image sensor having a plurality of 3D photodetectors is configured to output a raw data. The 3D image generator having a storage medium for storing a calibration data is configured to output a 3D image according to the raw data and the calibration data. The calibration data includes at least one of an IQ-mismatch calibration data, a non-linearity calibration data, a temperature calibration data and an offset calibration data.

9. 发明申请

US20210050470A1 Avalanche Photo-Transistor 有权
公开(公告)号：US20210050470A1
公开(公告)日：2021-02-18
申请号：US17085232
申请日：2020-10-30
申请人： Artilux, Inc.
发明人： Yun-Chung Na
IPC分类号： H01L31/11 , H01L31/02 , G02B5/00
摘要： Methods and devices for an avalanche photo-transistor. In one aspect, an avalanche photo-transistor includes a detection region configured to absorb light incident on a first surface of the detection region and generate one or more charge carriers in response, a first terminal in electrical contact with the detection region and configured to bias the detection region, an interim doping region, a second terminal in electrical contact with the interim doping region and configured to bias the interim doping region, a multiplication region configured to receive the one or more charge carriers flowing from the interim doping region and generate one or more additional charge carriers in response, a third terminal in electrical contact with the multiplication region and configured to bias the multiplication region, wherein the interim doping region is located in between the detection region and the multiplication region.

10. 发明申请

US20200350347A1 GERMANIUM-SILICON LIGHT SENSING APPARATUS 审中-公开
公开(公告)号：US20200350347A1
公开(公告)日：2020-11-05
申请号：US16929861
申请日：2020-07-15
申请人： Artilux, Inc.
发明人： Yun-Chung Na , Szu-Lin Cheng , Shu-Lu Chen , Han-Din Liu , Hui-Wen Chen , Che-Fu Liang
IPC分类号： H01L27/146 , H01L31/0312 , H01L31/09 , H01L31/18 , H01L31/0232 , H01L31/105
摘要： A method for fabricating an image sensor array having a first group of photodiodes for detecting light at visible wavelengths a second group of photodiodes for detecting light at infrared or near-infrared wavelengths, the method including growing a germanium-silicon layer on a semiconductor donor wafer; defining pixels of the image sensor array on the germanium-silicon layer; defining a first interconnect layer on the germanium-silicon layer, wherein the interconnect layer includes a plurality of interconnects coupled to the first group of photodiodes and the second group of photodiodes; defining integrated circuitry for controlling the pixels of the image sensor array on a semiconductor carrier wafer; defining a second interconnect layer on the semiconductor carrier wafer, wherein the second interconnect layer includes a plurality of interconnects coupled to the integrated circuitry; and bonding the first interconnect layer with the second interconnect layer.

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