Inventor
GUO ZUQIANG
CN49 patents
⚠️ This page may combine multiple inventors who share the name “GUO ZUQIANG”. Patents are grouped by organization below to help distinguish them — per-person disambiguation is on the roadmap.
APPOTRONICS CORP LTD
43 patentsUS11822221B2Nov 21, 2023
Light source system and projection apparatus
APPOTRONICS CORP LTD2 citations73
US11378876B2Jul 5, 2022
Light source device and display apparatus
APPOTRONICS CORP LTD4 citations73
US11048157B2Jun 29, 2021
Light-source system and projection device
APPOTRONICS CORP LTD2 citations73
US10386705B2Aug 20, 2019
Light emitting device and projection display apparatus
APPOTRONICS CORP LTD4 citations73
US10466580B2Nov 5, 2019
Projection system
APPOTRONICS CORP LTD2 citations72
US10139713B2Nov 27, 2018
Light source system and projection system
APPOTRONICS CORP LTD3 citations72
US12003896B2Jun 4, 2024
Projection display device
APPOTRONICS CORP LTD0 citations63
US12210276B2Jan 28, 2025
Light-source system and projection device
APPOTRONICS CORP LTD0 citations62
US12120468B2Oct 15, 2024
Display apparatus and display system
APPOTRONICS CORP LTD0 citations62
US11223806B2Jan 11, 2022
Light source system, method for improving light efficiency thereof, and display device
APPOTRONICS CORP LTD0 citations62
US11073751B2Jul 27, 2021
Wavelength conversion apparatus, light source system and projection device
APPOTRONICS CORP LTD1 citations62
US10184641B2Jan 22, 2019
Light-emitting device and projection system
APPOTRONICS CORP LTD1 citations62
US10168610B2Jan 1, 2019
Projection system
APPOTRONICS CORP LTD1 citations62
US12124048B2Oct 22, 2024
Optical engine system and display apparatus
APPOTRONICS CORP LTD0 citations52
US11917338B2Feb 27, 2024
Light source system and display apparatus
APPOTRONICS CORP LTD0 citations52
US11906887B2Feb 20, 2024
Projection system for reducing light diffraction
APPOTRONICS CORP LTD0 citations52
US11893948B2Feb 6, 2024
Display device
APPOTRONICS CORP LTD0 citations52
US11774843B2Oct 3, 2023
Light source system and display device
APPOTRONICS CORP LTD0 citations52
US11669001B2Jun 6, 2023
Projection display system
APPOTRONICS CORP LTD0 citations52
US11650490B2May 16, 2023
Projection device and color gamut adjustment method
APPOTRONICS CORP LTD0 citations52
US11650491B2May 16, 2023
Light-source system for optical projection and projection device comprising the same
APPOTRONICS CORP LTD0 citations52
US11630381B2Apr 18, 2023
Excitation light intensity control system and method, and projection system
APPOTRONICS CORP LTD0 citations52
US11614678B2Mar 28, 2023
Light source device and projection system
APPOTRONICS CORP LTD0 citations52
US11600238B2Mar 7, 2023
Display device having digital micromirror array with an increased display bit depth
APPOTRONICS CORP LTD0 citations52
US11402736B2Aug 2, 2022
Light source system and projection device
APPOTRONICS CORP LTD0 citations52
US11402735B2Aug 2, 2022
Projection system for projection display
APPOTRONICS CORP LTD0 citations52
US11307487B2Apr 19, 2022
Laser illumination device and projection system using the same
APPOTRONICS CORP LTD0 citations52
US11306899B2Apr 19, 2022
Light source system and display device
APPOTRONICS CORP LTD0 citations52
US11300868B2Apr 12, 2022
Projection screen
APPOTRONICS CORP LTD0 citations52
US11228742B2Jan 18, 2022
Projection system and projection method
APPOTRONICS CORP LTD0 citations52
US11150547B2Oct 19, 2021
Light source system with beamsplitter, projection device of same, and lighting device thereof
APPOTRONICS CORP LTD0 citations52
US11067881B2Jul 20, 2021
Light source system and projection system using same
APPOTRONICS CORP LTD0 citations52
US11003064B2May 11, 2021
Display system and method
APPOTRONICS CORP LTD0 citations52
US10969674B2Apr 6, 2021
Display system
APPOTRONICS CORP LTD0 citations52
US10908489B2Feb 2, 2021
Light emitting device and projection system
APPOTRONICS CORP LTD0 citations52
US11624976B2Apr 11, 2023
System and method for dynamically adjusting color gamut of display system, and display system
APPOTRONICS CORP LTD0 citations51
US11243460B2Feb 8, 2022
Light source device and projection system
APPOTRONICS CORP LTD0 citations49
US11921410B2Mar 5, 2024
Light source system and display apparatus
APPOTRONICS CORP LTD0 citations45
US10845694B2Nov 24, 2020
Light source apparatus and projection system
APPOTRONICS CORP LTD0 citations42
US10620524B2Apr 14, 2020
Projection system
APPOTRONICS CORP LTD0 citations42
US10719005B2Jul 21, 2020
Projection screen and manufacturing method therefor
APPOTRONICS CORP LTD0 citations40
US10831088B2Nov 10, 2020
Projection display system with improved utilization rate of supplementary light source
APPOTRONICS CORP LTD0 citations38
US10638101B2Apr 28, 2020
Projection system and control method
APPOTRONICS CORP LTD0 citations30
YLX INC
3 patentsAPPOTRONICS CHINA CORP
3 patentsUS10554938B2Feb 4, 2020
Light source system, and projection system and method
APPOTRONICS CHINA CORP0 citations40
US10291887B2May 14, 2019
Projection system and control method therefor
APPOTRONICS CHINA CORP0 citations40
US10114277B2Oct 30, 2018
Light source system with a switching system to generate two light beams having preset proportions, and related projection system
APPOTRONICS CHINA CORP0 citations40