• 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