Dongcheng HAN

Person

Hefei, CN

People

Patents Grantslast 30 patents

Information Patent Grant
Optical lens
- Patent number 11,982,838
- Issue date May 14, 2024
- ANHUI EASPEED TECHNOLOGY CO., LTD.
- Chao Fan
- G02 - OPTICS
Information Patent Grant
Optical waveguide unit, array, and flat lens
- Patent number 11,977,245
- Issue date May 7, 2024
- ANHUI EASPEED TECHNOLOGY CO., LTD.
- Chao Fan
- G02 - OPTICS
Information Patent Grant
Processing technology for single-column and multi-row equivalent ne...
- Patent number 11,977,242
- Issue date May 7, 2024
- ANHUI DONGCHAO SCIENCE AND TECHNOLOGY COMPANY LIMITED
- Chao Fan
- H04 - ELECTRIC COMMUNICATION TECHNIQUE
Information Patent Grant
Processing method for multi-row, multi-column flat lens with equiva...
- Patent number 11,092,888
- Issue date Aug 17, 2021
- ANHUI DONGCHAO SCIENCE AND TECH COMPANY LIMITED
- Chao Fan
- G02 - OPTICS

Patents Applicationslast 30 patents

Information Patent Application
VIEW FIELD CONTROL APPARATUS APPLIED IN OPTICAL IMAGING SYSTEM AND...
- Publication number 20240027787
- Publication date Jan 25, 2024
- ANHUI EASPEED TECHNOLOGY CO., LTD.
- Liangliang ZHANG
- G02 - OPTICS
Information Patent Application
AIR IONIZATION DISPLAY DEVICE
- Publication number 20220075315
- Publication date Mar 10, 2022
- ANHUI EASPEED TECHNOLOGY CO., LTD.
- Chao FAN
- G03 - PHOTOGRAPHY CINEMATOGRAPHY ELECTROGRAPHY HOLOGRAPHY
Information Patent Application
OPTICAL WAVEGUIDE UNIT, ARRAY, AND FLAT LENS
- Publication number 20220035094
- Publication date Feb 3, 2022
- ANHUI EASPEED TECHNOLOGY CO., LTD.
- Chao FAN
- G02 - OPTICS
Information Patent Application
OPTICAL LENS
- Publication number 20220035097
- Publication date Feb 3, 2022
- ANHUI EASPEED TECHNOLOGY CO., LTD.
- Chao FAN
- G02 - OPTICS
Information Patent Application
OPTICAL WAVEGUIDE UNIT, ARRAY, AND FLAT LENS
- Publication number 20220019013
- Publication date Jan 20, 2022
- ANHUI EASPEED TECHNOLOGY CO., LTD.
- Chao FAN
- G02 - OPTICS
Information Patent Application
PROCESSING METHOD FOR MULTI-ROW, MULTI-COLUMN FLAT LENS WITH EQUIVA...
- Publication number 20210157231
- Publication date May 27, 2021
- ANHUI DONGCHAO SCIENCE AND TECH COMPANY LIMITED
- Chao Fan
- G02 - OPTICS
Information Patent Application
PROCESSING TECHNOLOGY FOR SINGLE-COLUMN AND MULTI-ROW EQUIVALENT NE...
- Publication number 20210018658
- Publication date Jan 21, 2021
- ANHUI DONGCHAO SCIENCE AND TECHNOLOGY COMPANY LIMITED
- Chao FAN
- H04 - ELECTRIC COMMUNICATION TECHNIQUE

Dongcheng HAN

Person

Patents Grantslast 30 patents

Optical lens

Optical waveguide unit, array, and flat lens

Processing technology for single-column and multi-row equivalent ne...

Processing method for multi-row, multi-column flat lens with equiva...

Patents Applicationslast 30 patents

VIEW FIELD CONTROL APPARATUS APPLIED IN OPTICAL IMAGING SYSTEM AND...

AIR IONIZATION DISPLAY DEVICE

OPTICAL WAVEGUIDE UNIT, ARRAY, AND FLAT LENS

OPTICAL LENS

OPTICAL WAVEGUIDE UNIT, ARRAY, AND FLAT LENS

PROCESSING METHOD FOR MULTI-ROW, MULTI-COLUMN FLAT LENS WITH EQUIVA...

PROCESSING TECHNOLOGY FOR SINGLE-COLUMN AND MULTI-ROW EQUIVALENT NE...