IPC Main Group
G09G 3/00 Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes
Introduced: January 1980
Last revised: January 2006
Classification Context
- Section:
- PHYSICS
- Class:
- EDUCATING; CRYPTOGRAPHY; DISPLAY; ADVERTISING; SEALS
- Subclass:
- ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION
3 direct subcodes
Child Classifications
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- G09G 3/02 by tracing or scanning a light beam on a screen
- G09G 3/04 for presentation of a single character by selection from a plurality of characters, or by composing the character by combination of individual elements, e.g. segments
- G09G 3/2 for presentation of an assembly of a number of characters, e.g. a page, by composing the assembly by combination of individual elements arranged in a matrix
Top Applicants
Top 10 applicants by patent filingsfor class G09, 2013–2023, worldwide · Source: EPO PATSTAT
- SAMSUNG DISPLAY KR 16,046
- BOE TECHNOLOGY GROUP COMPANY 13,766
- BOE TECHNOLOGY GROUP COMPANY CN 12,804
- LG DISPLAY COMPANY KR 10,322
- SAMSUNG ELECTRONICS COMPANY KR 7,738
- SAMSUNG DISPLAY 5,172
- SEMICONDUCTOR ENERGY LABORATORY COMPANY 4,749
- SEMICONDUCTOR ENERGY LABORATORY COMPANY JP 3,417
- LG DISPLAY COMPANY 3,335
- SONY CORPORATION JP 3,179