Patents by Inventor Ke Liao

Ke Liao has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20250138366
    Abstract: A backlight module, including a back plate, and a colored light source plate, a first color conversion layer and a plurality of first optical processing layers, which are on the back plate and sequentially arranged away from the back plate; where the backlight module further comprises a second color conversion layer on at least a side, away from the back plate, of one of the plurality of first optical processing layers farthest from the back plate; an orthographic projection of the second color conversion layer on the first optical processing layer is in a peripheral edge region of the first optical processing layer; and the second color conversion layer is configured to convert monochromatic light emitted by the colored light source plate and incident into the second color conversion layer, into white light.
    Type: Application
    Filed: February 24, 2023
    Publication date: May 1, 2025
    Inventors: Jinhong ZHANG, Yu WANG, Wencheng LUO, Qiong YUAN, Ying ZHOU, Zhi LI, Wei RAN, Hening ZHANG, Bowen XIONG, Wenqi QUAN, Xin CEN, Ke LIAO
  • Publication number: 20250085590
    Abstract: A backlight module includes a light-emitting substrate, at least one chip-on-film and a backplane. The light-emitting substrate includes a signal line group and a plurality of light-emitting units, and the plurality of light-emitting units are electrically connected to the signal line group. The at least one chip-on-film is arranged on a non-light exit side of the light-emitting substrate, and electrically connected to the signal line group. The backplane is disposed on the non-light exit side of the light-emitting substrate, and the at least one chip-on-film is located between the backplane and the light-emitting substrate. The backplane is provided with a groove therein, a notch of the groove faces the light-emitting substrate, and at least portion of a chip-on-film film of the at least one chip-on-film is disposed in the groove.
    Type: Application
    Filed: February 20, 2023
    Publication date: March 13, 2025
    Applicants: Chongqing BOE Optoelectronics Technology Co., Ltd., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Yu WANG, Wencheng LUO, Meilong HU, Jinhong ZHANG, Wenqi QUAN, Wei RAN, Zhi LI, Hening ZHANG, Bowen XIONG, Qiong YUAN, Xin CEN, Ke LIAO, Yiming CHENG
  • Patent number: 12248169
    Abstract: Backlight module and display device are provided. Backlight module is for providing light source for display panel. Display panel has bonding side at a side of display panel in first direction. Backlight module includes: back plate, including base plate at backlight side of display panel, and first side plate at bonding side, where a side of first side plate away from base plate is bent towards direction away from center of base plate to form top plate supporting display panel; rubber frame, including second side plate at bonding side, where first opening is in middle of second side plate in extension direction of second side plate to accommodate first side plate; main circuit board, including opposite first and second ends in first direction, where first end is inserted between top plate and first side plate, and second end has first bonding area for bonding connection with display panel.
    Type: Grant
    Filed: May 23, 2022
    Date of Patent: March 11, 2025
    Assignees: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Qiong Yuan, Wencheng Luo, Zhi Li, Hening Zhang, Bowen Xiong, Ke Liao, Jinhong Zhang, Wei Ran, Yu Wang, Wenqi Quan, Xin Cen, Yao Chen, Shengjie Yin, Yansheng Sun
  • Publication number: 20250067274
    Abstract: A centrifugal fan includes a housing and a blade assembly, wherein the blade assembly comprises a driving device and fan blades, and the fan blades have a rotation center; the housing is provided with an air inlet and an air outlet, and the housing covers the blade assembly to form a flow channel therein; the flow channel comprises a supercharging area and an opening area, wherein the first boundary between the supercharging area and the opening area is a line connecting the tongue and the center, and the second boundary between the supercharging area and the opening area is a line connecting the center and the end point of the arc-shaped side wall of the flow channel, and the opening area has a central angle greater than 180° with the center, so the centrifugal fan has a wider air outlet range and a larger air outlet volume.
    Type: Application
    Filed: August 22, 2024
    Publication date: February 27, 2025
    Inventors: Yuqing Luo, Ke Liao
  • Publication number: 20240411175
    Abstract: A light-emitting module, a light-emitting substrate, and a display device are provided. The light-emitting module includes a plurality of light-emitting elements (10), the plurality of light-emitting elements are arranged in a row direction (X) and a column direction (Y), the plurality of light-emitting elements (10) are formed into a plurality of columns of light-emitting elements, at least one column of light-emitting elements among the plurality of columns of light-emitting elements include a first light-emitting element (1), a second light-emitting element (2), a third light-emitting element (3), and a fourth light-emitting element (4) that are arranged sequentially, and the second light-emitting element (2) and the fourth light-emitting element (4) are arranged on both sides of a center connection line (100) of the first light-emitting element (1) and the third light-emitting element (3), respectively.
    Type: Application
    Filed: June 29, 2022
    Publication date: December 12, 2024
    Inventors: Yu WANG, Wencheng LUO, Meilong HU, Jinhong ZHANG, Wei RAN, Wenqi QUAN, Zhi LI, Hening ZHANG, Bowen XIONG, Qiong YUAN, Xin CEN, Ke LIAO
  • Publication number: 20240361514
    Abstract: Backlight module and display device are provided. Backlight module is for providing light source for display panel. Display panel has bonding side at a side of display panel in first direction. Backlight module includes: back plate, including base plate at backlight side of display panel, and first side plate at bonding side, where a side of first side plate away from base plate is bent towards direction away from center of base plate to form top plate supporting display panel; rubber frame, including second side plate at bonding side, where first opening is in middle of second side plate in extension direction of second side plate to accommodate first side plate; main circuit board, including opposite first and second ends in first direction, where first end is inserted between top plate and first side plate, and second end has first bonding area for bonding connection with display panel.
    Type: Application
    Filed: May 23, 2022
    Publication date: October 31, 2024
    Applicants: CHONGQING BOE OPTOELECTRONICS TECHNOLOGY CO., LTD., BOE TECHNOLOGY GROUP CO., LTD.
    Inventors: Qiong Yuan, Wencheng Luo, Zhi Li, Hening Zhang, Bowen Xiong, Ke Liao, Jinhong Zhang, Wei Ran, Yu Wang, Wenqi Quan, Xin Cen, Yao Chen, Shengjie Yin, Yansheng Sun
  • Patent number: 12115004
    Abstract: Disclosed are a method and apparatus for processing physiological signals. The method is inclusive of steps of obtaining the physiological signals; grouping the physiological signals based on their sampling frequencies and/or generation mechanisms, so as to acquire grouping results; and compressing, based on the grouping results, each group of physiological signals.
    Type: Grant
    Filed: August 25, 2021
    Date of Patent: October 15, 2024
    Assignee: Ricoh Company, Ltd.
    Inventors: Luyun Qin, Ke Liao, Xiaojing Fan, Jinting Hou, Wei Wang
  • Publication number: 20240250695
    Abstract: A 9B/10B encoding method is used for encoding a 9-bit source sequence set, including first type, second type and third type of 9-bit source sequence sets, into a 10-bit target sequence set. The first type of 9-bit source sequence set only includes 9-bit source sequences with difference values of 1 and ?1. After inserting 1-bit data “0” or “1” in each sequence, each sequence is encoded as a 10-bit target balanced sequence; the second type of 9-bit source sequence set alternatively includes only 9-bit source sequences with difference values of 3 or ?3. After inserting 1-bit data “0” or “1” into each sequence, each sequence is encoded into a pair of 10-bit target unbalanced sequences with a difference value of ±2; each sequence in the third type of 9-bit source sequence set is encoded as a pair of 10-bit target unbalanced sequences that are opposite numbers for each other.
    Type: Application
    Filed: January 13, 2022
    Publication date: July 25, 2024
    Inventors: Ke LIAO, Yuanlong WANG
  • Patent number: 11734790
    Abstract: Disclosed are a method and apparatus for recognizing a landmark in a panoramic image. The method includes steps of performing projection transformation on the panoramic image so as to generate a projection image; conducting semantic segmentation on the projection image so as to determine a landmark region and a road surface region; correcting distortion in the landmark region so as to produce a corrected landmark region; and recognizing the landmark in the corrected landmark region.
    Type: Grant
    Filed: March 9, 2021
    Date of Patent: August 22, 2023
    Assignee: Ricoh Company, Ltd.
    Inventors: Ke Liao, Weitao Gong, Hong Yi, Wei Wang
  • Patent number: 11601426
    Abstract: A device authentication method, a service access control method, a device, and a non-transitory computer-readable recording medium are provided. In the device authentication method, an authentication request device issues an authentication request transaction in a distributed ledger, and an authentication response device reads the authentication request transaction in the distributed ledger and performs authentication. Thus, no third-party authentication center or coordinate device is required to participate in an authentication handshake process, thereby reducing deployment overhead of an authentication system and improving efficiency of authentication and access service control.
    Type: Grant
    Filed: April 16, 2020
    Date of Patent: March 7, 2023
    Assignee: Ricoh Company, Ltd.
    Inventors: Xiaojing Fan, Wei Wang, Haihua Yu, Ke Liao, Liyan Liu
  • Publication number: 20220061771
    Abstract: Disclosed are a method and apparatus for processing physiological signals. The method is inclusive of steps of obtaining the physiological signals; grouping the physiological signals based on their sampling frequencies and/or generation mechanisms, so as to acquire grouping results; and compressing, based on the grouping results, each group of physiological signals.
    Type: Application
    Filed: August 25, 2021
    Publication date: March 3, 2022
    Applicant: Ricoh Company, Ltd.
    Inventors: Luyun Qin, Ke Liao, Xiaojing Fan, Jinting Hou, Wei Wang
  • Publication number: 20210295478
    Abstract: Disclosed are a method and apparatus for recognizing a landmark in a panoramic image. The method includes steps of performing projection transformation on the panoramic image so as to generate a projection image; conducting semantic segmentation on the projection image so as to determine a landmark region and a road surface region; correcting distortion in the landmark region so as to produce a corrected landmark region; and recognizing the landmark in the corrected landmark region.
    Type: Application
    Filed: March 9, 2021
    Publication date: September 23, 2021
    Applicant: Ricoh Company, Ltd.
    Inventors: Ke LIAO, Weitao Gong, Hong Yi, Wei Wang
  • Publication number: 20200336481
    Abstract: A device authentication method, a service access control method, a device, and a non-transitory computer-readable recording medium are provided. In the device authentication method, an authentication request device issues an authentication request transaction in a distributed ledger, and an authentication response device reads the authentication request transaction in the distributed ledger and performs authentication. Thus, no third-party authentication center or coordinate device is required to participate in an authentication handshake process, thereby reducing deployment overhead of an authentication system and improving efficiency of authentication and access service control.
    Type: Application
    Filed: April 16, 2020
    Publication date: October 22, 2020
    Applicant: Ricoh Company, Ltd.
    Inventors: Xiaojing FAN, Wei WANG, Haihua YU, Ke LIAO, Liyan LIU
  • Patent number: 10491601
    Abstract: An area restricted access system, method, and non-transitory computer-readable storage medium are provided. The system includes an access device and a first service device located in a service area, wherein the access device locates a user device via a first type of wireless signals and obtains a first location parameter. The first service device monitors and locates the user device via a second type of wireless signals and obtains a second location parameter. The area restricted access system generates a modified location parameter based on the first and the second location parameters and determines whether the user device is within or out of the service area based on the modified location parameter. The first service device allows the user device to access the first service device when the user device is within the service area, and forbids the user device to access the first service device when the user device is out of the service area.
    Type: Grant
    Filed: July 1, 2016
    Date of Patent: November 26, 2019
    Assignee: RICOH COMPANY, LTD.
    Inventors: Bin Da, Wei Wang, Haihua Yu, Ke Liao, Linju Yang
  • Patent number: 10123158
    Abstract: Disclosed is a method of recognizing a user of at least one mobile device by using an imaging device. The method comprises a first obtainment step of obtaining first positional information of the user of the at least one mobile device by using the imaging device; a second obtainment step of obtaining both second positional information and ID information of the at least one mobile device; a comparison step of comparing the first and second positional information so as to obtain a comparison result; and a determination step of determining, based on the comparison result, whether or not to let the ID information of the at least one mobile device be associated with the user of the at least one mobile device.
    Type: Grant
    Filed: February 1, 2016
    Date of Patent: November 6, 2018
    Assignee: Ricoh Company, Ltd.
    Inventors: Ke Liao, Bin Da, Wei Wang, Haihua Yu, Xin Wang
  • Patent number: 9903943
    Abstract: Disclosed is a method of estimating the distance between two nodes.
    Type: Grant
    Filed: October 29, 2015
    Date of Patent: February 27, 2018
    Assignee: RICOH COMPANY, LTD.
    Inventors: Xiaomei Lu, Bin Da, Wei Wang, Linju Yang, Ke Liao
  • Patent number: 9772396
    Abstract: Disclosed is a relative orientation angle calculation method comprising steps of obtaining inertial sensor data of first and second mobile devices, the first mobile device being capable of sending a first signal to the second mobile device; obtaining a sending frequency that the first signal has when the first mobile device sends the first signal to the second mobile device; obtaining a receipt frequency that the first signal has when the second mobile device receives the first signal sent from the first mobile device, the first signal receiving influence of the Doppler effect in a sending process in which the first signal is sent to the second mobile device from the first mobile device; and calculating, based on the inertial sensor data, the sending frequency, and the receipt frequency, a relative orientation angle between the first and second mobile devices.
    Type: Grant
    Filed: February 2, 2016
    Date of Patent: September 26, 2017
    Assignee: RICOH COMPANY, LTD.
    Inventors: Ke Liao, Bin Da, Wei Wang, Haihua Yu, Hong Yi
  • Patent number: 9667625
    Abstract: Disclosed is an access control method of an area restricted network system including a central control device and at least one area restricted network. Each area restricted network includes at least a master node. The method comprises a detection step of detecting that an access device has entered into an area restricted network in the area restricted network system; a receipt step of receiving, by a master node in the area restricted network, an authentication information request sent by the access device; a sending step of, in response to the authentication information request, generating and sending the authentication information for the access device by the master node in the area restricted network; and a request step of, by the access device, receiving the authentication information, and then utilizing the authentication information so as to send an authentication request to the central control device.
    Type: Grant
    Filed: July 2, 2015
    Date of Patent: May 30, 2017
    Assignee: RICOH COMPANY, LTD.
    Inventors: Bin Da, Wei Wang, Linju Yang, Ke Liao, Yan Sun
  • Publication number: 20170006043
    Abstract: An area restricted access system, method, and non-transitory computer-readable storage medium are provided. The system includes an access device and a first service device located in a service area, wherein the access device locates a user device via a first type of wireless signals and obtains a first location parameter. The first service device monitors and locates the user device via a second type of wireless signals and obtains a second location parameter. The area restricted access system generates a modified location parameter based on the first and the second location parameters and determines whether the user device is within or out of the service area based on the modified location parameter. The first service device allows the user device to access the first service device when the user device is within the service area, and forbids the user device to access the first service device when the user device is out of the service area.
    Type: Application
    Filed: July 1, 2016
    Publication date: January 5, 2017
    Inventors: Bin DA, Wei WANG, Haihua YU, Ke LIAO, Linju YANG
  • Publication number: 20160231415
    Abstract: Disclosed is a relative orientation angle calculation method comprising steps of obtaining inertial sensor data of first and second mobile devices, the first mobile device being capable of sending a first signal to the second mobile device; obtaining a sending frequency that the first signal has when the first mobile device sends the first signal to the second mobile device; obtaining a receipt frequency that the first signal has when the second mobile device receives the first signal sent from the first mobile device, the first signal receiving influence of the Doppler effect in a sending process in which the first signal is sent to the second mobile device from the first mobile device; and calculating, based on the inertial sensor data, the sending frequency, and the receipt frequency, a relative orientation angle between the first and second mobile devices.
    Type: Application
    Filed: February 2, 2016
    Publication date: August 11, 2016
    Applicant: Ricoh Company, Ltd.
    Inventors: Ke LIAO, Bin DA, Wei WANG, Haihua YU, Hong YI