IP Library › Granted Patent US 12,531,017
Granted Patent B1
US 12,531,017 · App. 19/035,664 · Granted Jan 20, 2026

Producing consistent gamma in organic light-emitting diode display devices

Inventors: Bongjun Lee (Singapore, SG); Seungjoo Choi (Singapore, SG); Kyoungjun Kim (Singapore, SG)
Assignee: Dell Products L.P.
G09G3/3208G09G3/2092G09G2320/0233G09G2320/0242G09G2320/0653G09G2320/0673G09G2340/0435G09G2340/16G09G2360/16
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Quick Facts
Patent No.
US 12,531,017
App. No.
19/035,664
Granted
Jan 20, 2026
Kind
B1
Abstract

An information handling system determines an average picture level percentage of a previous frame and determines a brightness level of a current frame based on the average picture level percentage of the previous frame. The information handling system also determines a panel gray level based on the brightness level of the current frame.

Claims (31)

1 . A method comprising:

determining, by a processor of an information handling system, an average picture level percentage of a previous frame;

determining a brightness level of a current frame based on the average picture level percentage of the previous frame; and

determining a panel gray level based on the brightness level of the current frame.

2 . The method of claim 1 , further comprising predicting a panel gamma curve based on the panel gray level.

3 . The method of claim 1 , further comprising adjusting an initial input gray level of the current frame.

4 . The method of claim 1 , further comprising utilizing the panel gray level when displaying an image.

5 . The method of claim 1 , wherein the determining of the panel gray level is further based on an input gray level.

6 . The method of claim 1 , wherein the determining of the panel gray level is further based on a peak brightness level associated with a display mode of a display device.

7 . The method of claim 1 , further comprising determining a scaler gamma curve.

8 . An information handling system, comprising:

a processor; and

a memory to store instructions that when executed causes the processor to perform operations including:

determining an average picture level percentage of a previous frame;

determining a brightness level of a current frame based on the average picture level percentage of the previous frame; and

determining a panel gray level based on the brightness level of the current frame.

9 . The information handling system of claim 8 , wherein the operations further comprise predicting a panel gamma curve based on the panel gray level.

10 . The information handling system of claim 8 , wherein the operations further comprise adjusting an initial input gray level of the current frame.

11 . The information handling system of claim 8 , wherein the operations further comprise using the panel gray level in displaying an image.

12 . The information handling system of claim 8 , wherein the determining of the panel gray level is further based on an input gray level.

13 . The information handling system of claim 8 , wherein the determining of the panel gray level is further based on a peak brightness level associated with a display mode of a display device.

14 . The information handling system of claim 8 , wherein the operations further comprise determining a scaler gamma curve.

15 . A non-transitory computer-readable medium to store instructions that are executable to perform operations comprising:

determining an average picture level percentage of a previous frame;

determining a brightness level of a current frame based on the average picture level percentage of the previous frame; and

determining a panel gray level based on the brightness level of the current frame.

16 . The non-transitory computer-readable medium of claim 15 , wherein the operations further comprise predicting a panel gamma curve based on the panel gray level.

17 . The non-transitory computer-readable medium of claim 15 , wherein the operations further comprise adjusting an initial input gray level of the current frame.

18 . The non-transitory computer-readable medium of claim 15 , wherein the operations further comprise using the panel gray level in displaying an image.

19 . The non-transitory computer-readable medium of claim 15 , wherein the determining of the panel gray level is further based on an input gray level.

20 . The non-transitory computer-readable medium of claim 15 , wherein the determining of the panel gray level is further based on a peak brightness level associated with a display mode of a display device.

Assignments (1)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Jan 23, 2025
From: LEE, BONGJUN; CHOI, SEUNGJOO; KIM, KYOUNGJUN
To: DELL PRODUCTS L.P.
Reel/Frame 069985/0241 →
References Cited (5)
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US 20200400984A1 · Liang · 2020 [cited by examiner]
US 20220230575A1 · Chung et al. · 2022 [cited by applicant]
US 20230326395A1 · Pyo · 2023 [cited by examiner]
US 20240046897A1 · Wang · 2024 [cited by examiner]