Inventor

Cheng Chang

Inventor

Beijing, CN

Overview

3→

Patents

2017–2020

Patent span

Physics

Primary field (CPC G)

Patents· 3 as inventor

Public. Assignee & technology derived from the patent record. Each patent links to its LexDana page.

G02Fprimary

G02FOptical devices or arrangements for the control of light by modification of the optical properties of the media of the elements involved therein11%

G06FElectric digital data processing11%

G09FDisplaying11%

G09GArrangements or circuits for control of indicating devices using static means to present variable information11%

H01LSemiconductor devices11%

H04MTelephonic communication11%

H05KPrinted circuits11%

H10KOrganic electric solid-state devices11%

Y02EReduction of greenhouse gas [ghg] emissions, related to energy generation, transmission or distribution11%

PatentTitleYear

10,631,402Flexible display device and mobile terminal2020 10,481,722Touch device detachably connected to display device, display device and intelligent device2019 9,728,141'Projection display device and driving method'2017

Career & activity timeline

Assembled from patent assignee/location history and declaration credentials.

2017Patents assigned to DELTA ELECTRONICS INC (1)· patent assignee history

2017Based in Taoyuan County, TW· patent location history

2019–2020Patents assigned to BEIJING BOE OPTOELECTRONICS TECH CO LTD (2)· patent assignee history

2019–2020Patents assigned to BOE TECHNOLOGY GROUP CO LTD (2)· patent assignee history

2019–2020Based in Beijing, CN· patent location history

Inventor activity

Assignee and location history derived from the patent record.

Assignees

Assignee	Patents	Span
BEIJING BOE OPTOELECTRONICS TECH CO LTD	2	2019–2020
BOE TECHNOLOGY GROUP CO LTD	2	2019–2020
DELTA ELECTRONICS INC	1	2017

Locations

Location	Patents	Span
Beijing, CN	2	2019–2020
Taoyuan County, TW	1	2017