- All sections
- G - Physics
- G09G - Arrangements or circuits for control of indicating devices using static means to present variable information
- G09G 3/325 - Control arrangements or circuits, of interest only in connection with visual indicators other than cathode-ray tubes 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 using controlled light sources using electroluminescent panels semiconductive, e.g. using light-emitting diodes [LED] organic, e.g. using organic light-emitting diodes [OLED] using an active matrix with pixel circuitry controlling the current through the light-emitting element the current through the light-emitting element being set using a data current provided by the data driver, e.g. by using a two-transistor current mirror the data current flowing through the driving transistor during a setting phase, e.g. by using a switch for connecting the driving transistor to the data driver
Patent holdings for IPC class G09G 3/325
Total number of patents in this class: 269
10-year publication summary
10
|
21
|
51
|
37
|
21
|
42
|
41
|
22
|
16
|
3
|
2015 | 2016 | 2017 | 2018 | 2019 | 2020 | 2021 | 2022 | 2023 | 2024 |
Principal owners for this class
Owner |
All patents
|
This class
|
---|---|---|
Samsung Display Co., Ltd. | 30585 |
44 |
Boe Technology Group Co., Ltd. | 35384 |
43 |
LG Display Co., Ltd. | 11907 |
26 |
Chengdu BOE Optoelectronics Technology Co., Ltd. | 4805 |
13 |
Ignis Innovation Inc. | 341 |
12 |
Sharp Corporation | 10015 |
10 |
Wuhan Tianma Micro-Electronics Co., Ltd. | 971 |
10 |
Sony Corporation | 32931 |
9 |
JDI Design and Development G.K. | 1182 |
9 |
Semiconductor Energy Laboratory Co., Ltd. | 10902 |
8 |
Japan Display Inc. | 6202 |
8 |
Shanghai Tianma Micro-Electronics Co., Ltd. | 794 |
6 |
HKC Corporation Limited | 2951 |
4 |
Wuhan Tianma Microelectronics Co., Ltd. Shanghai Branch | 550 |
4 |
Shenzhen China Star Optoelectronics Technology Co., Ltd. | 8635 |
3 |
Hefei Xinsheng Optoelectronics Technology Co., Ltd. | 2483 |
3 |
Beijing BOE Technology Development Co., Ltd. | 1600 |
3 |
Ignis Innovation Inc. | 35 |
3 |
Apple Inc. | 50209 |
2 |
Beijing BOE Optoelectronics Technology Co., Ltd. | 3779 |
2 |
Other owners | 47 |