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1. 发明授权

US12072448B2 High-speed light sensing apparatus 有权
公开(公告)号：US12072448B2
公开(公告)日：2024-08-27
申请号：US18236868
申请日：2023-08-22
申请人： Artilux, Inc.
发明人： Yun-Chung Na , Che-Fu Liang
IPC分类号： H01L27/146 , G01S7/4863 , G01S17/10 , G01S17/894 , H01L29/161 , H01L31/103
CPC分类号： G01S7/4863 , G01S17/10 , G01S17/894 , H01L27/14609 , H01L27/14629 , H01L27/14643 , H01L29/161 , H01L31/1037
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.

2. 发明公开

US20240004463A1 EYE GESTURE TRACKING 审中-公开
公开(公告)号：US20240004463A1
公开(公告)日：2024-01-04
申请号：US18225059
申请日：2023-07-21
申请人： Artilux, Inc.
发明人： Yun-Chung Na , Chien-Lung Chen , Han-Din Liu , Shu-Lu Chen
IPC分类号： G06F3/01 , H01L27/146 , G06T7/73 , G06T7/514 , G06V40/18
CPC分类号： G06F3/013 , H01L27/14605 , H01L27/14621 , H01L27/14627 , H01L27/1463 , H01L27/14636 , H01L27/14645 , H01L27/14649 , H01L27/14685 , H01L27/14687 , H01L27/14689 , G06T7/74 , G06T7/514 , G06V40/193 , G06T2207/30201
摘要： Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for eye gesture recognition. In one aspect, a method includes obtaining an electrical signal that represents a measurement, by a photodetector, of an optical signal reflected from an eye and determining a depth map of the eye based on phase differences between the electrical signal generated by the photodetector and a reference signal. Further, the method includes determining gaze information that represents a gaze of the eye based on the depth map and providing output data representing the gaze information.

3. 发明公开

US20230395618A1 GERMANIUM-SILICON LIGHT SENSING APPARATUS 审中-公开
公开(公告)号：US20230395618A1
公开(公告)日：2023-12-07
申请号：US18236667
申请日：2023-08-22
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
CPC分类号： H01L27/14605 , H01L27/14645 , H01L31/0312 , H01L27/14621 , H01L27/14627 , H01L27/1463 , H01L27/14636 , H01L27/14689 , H01L27/14687 , H01L27/14685 , H01L27/14698 , H01L31/09 , H01L31/1892 , H01L27/14634 , H01L27/14632 , H01L27/1465 , H01L31/1812 , H01L27/1469 , H01L31/02327 , H01L31/1876 , H01L31/105 , H01L27/14649
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.

4. 发明授权

US11777049B2 Photo-detecting apparatus with low dark current 有权
公开(公告)号：US11777049B2
公开(公告)日：2023-10-03
申请号：US17005288
申请日：2020-08-27
申请人： Artilux, Inc.
发明人： Yen-Cheng Lu , Yun-Chung Na
IPC分类号： H01L31/107 , H01L31/02 , H01L27/146
CPC分类号： H01L31/1075 , H01L27/1461 , H01L27/1462 , H01L27/14643 , H01L31/02005
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.

5. 发明授权

US11755104B2 Eye gesture tracking 有权
公开(公告)号：US11755104B2
公开(公告)日：2023-09-12
申请号：US17007958
申请日：2020-08-31
申请人： Artilux, Inc.
发明人： Yun-Chung Na , Chien-Lung Chen , Han-Din Liu , Shu-Lu Chen
IPC分类号： G06T7/514 , G06F3/01 , H01L27/146 , G06T7/73 , G06V40/18
CPC分类号： G06F3/013 , G06T7/514 , G06T7/74 , G06V40/193 , H01L27/1463 , H01L27/14605 , H01L27/14621 , H01L27/14627 , H01L27/14636 , H01L27/14645 , H01L27/14649 , H01L27/14685 , H01L27/14687 , H01L27/14689 , G06T2207/30201
摘要： Methods, systems, and apparatus, including computer programs encoded on a computer storage medium, for eye gesture recognition. In one aspect, a method includes obtaining an electrical signal that represents a measurement, by a photodetector, of an optical signal reflected from an eye and determining a depth map of the eye based on phase differences between the electrical signal generated by the photodetector and a reference signal. Further, the method includes determining gaze information that represents a gaze of the eye based on the depth map and providing output data representing the gaze information.

6. 发明授权

US11749696B2 High-speed light sensing apparatus II 有权
公开(公告)号：US11749696B2
公开(公告)日：2023-09-05
申请号：US17130603
申请日：2020-12-22
申请人： Artilux, Inc.
发明人： Yun-Chung Na , Che-Fu Liang , Szu-Lin Cheng , Shu-Lu Chen , Kuan-Chen Chu , Chung-Chih Lin , Han-Din Liu
IPC分类号： G01C3/08 , H01L27/146 , H01L31/103 , H01L29/732 , H01L31/02 , H01L31/028 , H01L29/08 , H01L29/161 , H01L31/0232 , H01L31/0216 , H01L29/06 , G01S7/481 , G01S17/36 , G01S7/4914 , G01S7/486 , H01L31/11 , G01S17/42 , H01L29/735
CPC分类号： H01L27/14612 , G01S7/4816 , G01S7/4914 , G01S17/36 , H01L27/14636 , H01L27/14681 , H01L29/0657 , H01L29/0804 , H01L29/161 , H01L29/732 , H01L31/02005 , H01L31/028 , H01L31/02019 , H01L31/02161 , H01L31/02327 , H01L31/103 , H01L31/1037 , G01S7/486 , G01S17/42 , H01L27/1463 , H01L27/14627 , H01L27/14629 , H01L29/735 , H01L31/1105
摘要： An optical apparatus includes: a substrate having a first material; an absorption region having a second material different from the first material, the absorption region configured to absorb photons and to generate photo-carriers including electrons and holes in response to the absorbed photons; a first well region surrounding the absorption region and arranged between the absorption region and the substrate, the first well region being doped with a first polarity; and one or more switches each controlled by a respective control signal, the one or more switches each configured to collect at least a portion of the photo-carriers based on the respective control signal and to provide the portion of the photo-carriers to a respective readout circuit.

7. 发明授权

US11630212B2 Light-sensing apparatus and light-sensing method thereof 有权
公开(公告)号：US11630212B2
公开(公告)日：2023-04-18
申请号：US17404812
申请日：2021-08-17
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.

8. 发明授权

US11624653B2 Multi-application optical sensing apparatus and method thereof 有权
公开(公告)号：US11624653B2
公开(公告)日：2023-04-11
申请号：US17470728
申请日：2021-09-09
申请人： Artilux, Inc.
发明人： Chih-Wei Yeh , Hung-Chih Chang , Yun-Chung Na , Tsung-Ting Wu , Shu-Lu Chen
IPC分类号： G01J3/50 , G01B11/24 , G01J3/02 , G01J3/51
摘要： Systems, apparatuses, and methods for multi-application optical sensing are provided. For example, an optical sensing apparatus can include a photodetector array, a first circuitry, and a second circuitry. The photodetector array includes a plurality of photodetectors, wherein a first subset of the plurality of photodetectors are configured as a first region for detecting a first optical signal, and a second subset of the plurality of photodetectors are configured as a second region for detecting a second optical signal. The first circuitry, coupled to the first region, is configured to perform a first function based on the first optical signal to output a first output result. The second circuitry, coupled to the second region, is configured to perform a second function based on the second optical signal to output a second output result.

9. 发明申请

US20220302188A1 PHOTO-DETECTING APPARATUS 有权
公开(公告)号：US20220302188A1
公开(公告)日：2022-09-22
申请号：US17692679
申请日：2022-03-11
申请人： Artilux, Inc.
发明人： Yun-Chung Na
IPC分类号： H01L27/146 , H04N5/369
摘要： Methods, devices, apparatus, and systems for photo-detecting are provided. The photo-detecting apparatus includes a substrate, an absorption region supported by the substrate and configured to receive an optical signal and generate photo-carriers in response to the optical signal, and multiple sets of a switch including a first set and a second set. The substrate includes a first material, and the absorption region includes a second material. The absorption region is arranged in between the first set and the second set. Each of the multiple sets includes a respective control region and a respective readout region. The respective control regions of the multiple sets of the switch are configured to receive a control signal, and the respective readout regions of the multiple sets of the switch are configured to provide one or more electrical signals representing first collective information for deriving time-of-flight information associated with the optical signal.

10. 发明申请

US20220252725A1 Lidar Sensor with Dynamic Projection Patterns 有权
公开(公告)号：US20220252725A1
公开(公告)日：2022-08-11
申请号：US17665093
申请日：2022-02-04
申请人： Artilux, Inc.
发明人： Hung-Chih Chang , Der-Song Lin , Yun-Chung Na
IPC分类号： G01S17/08 , G01S7/48 , G01S7/4912
摘要： Systems and methods for sensing objects are provided. An optical apparatus can include a transmitter configured to project on a surface of an object, a first optical pattern having a first set of characteristics and a second optical pattern having a second set of characteristics. The optical apparatus can include a receiver configured to receive first and second reflected optical patterns representing a reflection of the first optical pattern and the second optical pattern from the surface of the object, and generate first and second electrical signals representing the first and the second reflected optical patterns. The optical apparatus can include one or more processors configured to receive the first electrical signals and the second electrical signals, and determine one or more characteristics of the object, including range information of the object.

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