-
公开(公告)号：US20220209041A1
公开(公告)日：2022-06-30
申请号：US17604047
申请日：2019-10-09
发明人： Shuyu LEI
IPC分类号： H01L31/112 , H01L31/18
摘要： A photodiode manufacturing method and a photodiode thereof. The method comprises: doping a second type of material in a first region of an epitaxial layer to form a first doped region; forming a transfer gate on the upper surface of the epitaxial layer, one side of the transfer gate being connected to the first doped region; doping the second type of material in a second region of the epitaxial layer to form a second doped region, the second doped region being connected to the first doped region; and doping the second type of material in a third region of the epitaxial layer to obtain an output region, the other side of the transfer gate being connected to the output region.
-
公开(公告)号：US20210313358A1
公开(公告)日：2021-10-07
申请号：US17269917
申请日：2018-08-20
发明人： Shuyu LEI
IPC分类号： H01L27/146 , G01S17/08
摘要： Provided are a photodiode and a manufacturing method, a sensor and a sensor array. The photodiode comprises: a semiconductor substrate; an epitaxial layer formed on the semiconductor substrate; and a photodiode region formed in a pre-determined region of the epitaxial layer and used for generating photo-generated carriers, wherein the photodiode region comprises at least two doped regions, and the doped regions of different potentials from among the at least two doped regions are arranged from the edge of the photodiode region to the geometric center of the photodiode region. By means of the photodiode, photo-generated carriers randomly distributed in a photodiode region are first concentrated at a specified position and then reach a transmission gate through the specified position, thereby significantly improving the response speed and measurement accuracy of the photodiode.
-
公开(公告)号：US20210116549A1
公开(公告)日：2021-04-22
申请号：US17047915
申请日：2018-09-18
发明人： Shuyu LEI
IPC分类号： G01S7/4861 , G01S17/10
摘要： A distance measurement method, a distance measurement sensor, and a distance measurement sensing array, for use in improving the signal-to-noise ratio of a distance measurement system and increasing the distance measurement accuracy and a distance measurement distance. The method comprises: a receiving end obtains echo radiation, the echo radiation being from a reflecting action performed by an object to be measured on radiation, and the radiation being obtained by a transmitting end by modulating a modulating signal (S202) the receiving end performs at least one adjustment on the initial phase and/or pulse width of a demodulation signal or demodulating the echo radiation until the demodulation signal satisfies a preset condition, the preset condition comprising that an overlapping portion exists between the phase of the demodulation signal and the phase of the echo radiation (S203); the receiving end determines a distance between the transmitting end and the object to be measured according to the overlapping portion and the current phase of the demodulation signal (S204).
-
公开(公告)号：US20230297034A1
公开(公告)日：2023-09-21
申请号：US18042751
申请日：2020-12-15
发明人： Shuyu LEI
CPC分类号： G04F10/005 , H03M1/10 , H03M1/50 , H03K19/21
摘要： A drive circuit, comprising: a target waveform conversion part, configured to convert target waveform information into a current or voltage signal, and output the converted current or voltage signal to a first sampling circuit and a second sampling circuit; a computational module, the computational module outputting an action command on the basis of the output results of the first sampling circuit and the second sampling circuit; and a TDC module for outputting time parameters of a counting interval on the basis of the action command outputted by the computational module. By means of the present circuit, time information of a predetermined interval can be automatically acquired, for example time information of a rising edge or a falling edge, and can then be used to calibrate emission or calibrate the final ranging result of a time-of-flight ranging solution, such that the emitted light waveform of an emission source is more accurate or the ranging result is more accurate.
-
公开(公告)号：US20230258783A1
公开(公告)日：2023-08-17
申请号：US18006195
申请日：2021-07-26
发明人： Shuyu LEI
IPC分类号： G01S7/4863 , G01S7/4865 , G01S17/14
CPC分类号： G01S7/4863 , G01S7/4865 , G01S17/14
摘要： Provided are a detection apparatus and a detection method. The detection apparatus comprises: a pulse light source, which is configured to emit a pulse light signal; a detector array, which includes a plurality of pixel units, wherein at least some of the plurality of pixel units are operating units, and the operating units obtain excitation information in response to background light and/or signal light photons incident thereon during a plurality of windows; and a processing module, which acquires time range information according to the excitation information of the operating unit.
-
公开(公告)号：US20220077653A1
公开(公告)日：2022-03-10
申请号：US17417258
申请日：2019-10-09
发明人： Shuyu LEI
摘要： The present application provides a radiation output device and a method. The radiation output device includes a radiation generating module configured to generate initial radiation; a filter module configured to reflect a portion of a first preset wavelength of the initial radiation to the radiation generating module and transmit a portion of a second preset wavelength of the initial radiation, the transmitted radiation is therefore used as an output radiation of the radiation output device; a detection feedback module, using a portion of or all of the output radiation as a feedback radiation, configured to instruct a modulating module to modulate the filter module according to the feedback radiation. The modulating module is connected to the filter module and configured to modulate a position and/or an angle of the filter module according to the instruction of the detection feedback module.
-
公开(公告)号：US20230184940A1
公开(公告)日：2023-06-15
申请号：US17924528
申请日：2020-06-22
发明人： Shuyu LEI
IPC分类号： G01S17/32 , G01S7/481 , G01S7/4915 , H04N25/704
CPC分类号： G01S17/32 , G01S7/4816 , G01S7/4915 , H04N25/704
摘要： A measurement pixel unit, and a measurement apparatus and a measurement method using same. The measurement apparatus comprises a light source that can be operated to emit light so as to illuminate a measured object; a photosensitive module may output an electrical signal by means of a first circuit receiving a first modulation signal and a second circuit receiving a second modulation signal; a processing module may receive different control signals to perform control, and thus may work at different modes in a measurement system; the two circuits can separately output the electrical signal corresponding to the phase delay of one of delay phase reception control signals, thereby achieving the accuracy of measurement information; moreover, the system further can perform reasonable arrangement on phase delay information and exposure duration information in a sub frame at a certain frame rate mode, thereby ensuring the high efficiency of the whole system.
-
公开(公告)号：US20230161035A1
公开(公告)日：2023-05-25
申请号：US17910929
申请日：2020-12-15
发明人： Shuyu LEI
IPC分类号： G01S17/10 , G01S7/4865 , G01S7/484
CPC分类号： G01S17/10 , G01S7/4866 , G01S7/484
摘要： A detection device, characterized in that a light emitting module (110) comprises at least two emitting areas, and a light receiving module (130) comprises at least two receiving areas corresponding to the light emitting module (110); a processing module (120) can generate a first instruction to be electrically connected to all emitting units, so that all the emitting units simultaneously output emitted light, and all the receiving units of the light receiving module (130) correspond to the emitting units on a one-to-one basis; and the processing module (120) can also generate an instruction different from the first instruction to only be electrically connected to some of the emitting units, so that the light emitting module (110) outputs emitted light once or more than once, and the light receiving module (130) obtains reflected light information of a target area once or more than once. The self-adaptive emitting method focuses energy on a smaller field angle, thereby improving the power density; and all or some of the emitting units emit light once or multiple times, thereby adapting to different measurement scenarios and expanding application scenarios of the device.
-
公开(公告)号：US20230099051A1
公开(公告)日：2023-03-30
申请号：US17908091
申请日：2020-12-17
发明人： Shuyu LEI
摘要： A data processing method and an array-type sensor, which relate to the technical field of semiconductors. The array-type sensor comprises a processing unit (120) and a plurality of sensing units (110), and the plurality of sensing units (110) are separately connected to the processing unit (120); the sensing units (110) are configured to receive external signals, convert the external signals into unit values, and send the unit values to the processing unit (120) according to a preset rule; the processing unit (120) is configured to perform data processing on the unit values by using a preset algorithm; and when the processed data or processing result sent to a receiving unit (210) meets a preset condition, the sensing units (110) are controlled to send the unit values to the receiving unit (210). The array-type sensor is enabled to perform certain processing on the received data and send same to a data receiver, thus reducing the amount of data received by the data receiver so as to reduce the receiving pressure and calculation pressure of the data receiver.
-
10.发明申请公开(公告)号：US20210243391A1
公开(公告)日：2021-08-05
申请号：US17239594
申请日：2021-04-24
发明人： Shuyu LEI
摘要： A counting method, a counting device, and a counting system and a pixel array using the counting device are provided. The counting device includes a storage module, which comprises multiple storage units in cascade interconnection, the multiple storage units store a plurality of cumulative count values, the multiple storage units are configured as at least one group of storage units; an arithmetic module connected to a first group of storage units and a last group of storage units for calculation according to a received count value and an added cumulative count values input through the last group of the storage units so as to obtain a current added cumulative count values of corresponding objects, which is then output to the first group of the storage units in cascade interconnection.
-
-
-
-
-
-
-
-
-
搜索结果
10 条记录 (耗时 0.016 秒)
