Display device and control method thereof

Patent metadata

Field	Value
Publication number	US-2019035360-A1
Application number	US-201715580111-A
Country	US
Kind code	A1
Filing date	Sep 4, 2017
Priority date	Jul 25, 2017
Publication date	Jan 31, 2019
Grant date	—

Abstract

This application provides a display device and a control method thereof. The control method includes the following steps: obtaining, by using an image sensor module, a target image; analyzing, by using a pupil computing module, first data of the target image; and controlling, by using a processing module according to the obtained first data of the target image, a light emitting module to adjust luminance of a display panel.

First claim

What is claimed is:

1 . A display device, comprising:
a display panel; a light emitting module, configured to adjust a luminance of the display panel; an image sensor module, configured to obtain a target image; a pupil computing module, connected to the image sensor module, to analyze first data of the target image; and a processing module, connected to the pupil computing module and the light emitting module, configured to adjust the luminance of the display panel according to the obtained first data of the display panel.

2 . The display device according to claim 1 , wherein
the processing module is configured to input the first data to an algorithm logic, to compute a luminance setting parameter value, and adjust the luminance of the display panel according to the luminance setting parameter value.

3 . The display device according to claim 2 , wherein the algorithm logic comprises a logic relationship among values of the first data, an amount of light incident to the pupils, and a luminance.

4 . The display device according to claim 1 , wherein the processing module is configured to find a luminance value corresponding to the first data according to a luminance correspondence table, and adjust the luminance of the display panel according to the luminance value.

5 . The display device according to claim 1 , wherein when the first data computed by the pupil computing module is less than a specified value, a maintenance instruction is generated.

6 . The display device according to claim 5 , wherein the processing module controls, according to the maintenance instruction, the light emitting module to maintain the luminance of the display panel.

7 . The display device according to claim 1 , wherein when the first data computed by the pupil computing module is not less than a specified value and increases gradually, a first instruction is generated.

8 . The display device according to claim 7 , wherein the processing module controls, according to the first instruction, the light emitting module to decrease the luminance of the display panel.

9 . The display device according to claim 1 , wherein when the first data computed by the pupil computing module is not less than a specified value and decreases gradually, a second instruction is generated.

10 . The display device according to claim 9 , wherein the processing module controls, according to the second instruction, the light emitting module to increase the luminance of the display panel.

11 . A control method of a display device, comprising steps of:
obtaining, by using an image sensor module, a target image; analyzing, by using a pupil computing module, first data of the target image; and controlling, by using a processing module according to the obtained first data of the target image, a light emitting module to adjust luminance of a display panel.

12 . The control method of a display device according to claim 11 , wherein a step of the controlling, by using a processing module according to the obtained first data of the target image, a light emitting module to adjust luminance of a display panel further comprises:
inputting, by using the processing module, the first data to an algorithm logic, to compute a luminance setting parameter value, and adjust the luminance of the display panel according to the luminance setting parameter value.

13 . The control method of a display device according to claim 12 , wherein the algorithm logic comprises a logic relationship among values of the first data, an amount of light incident to the pupils, and luminance.

14 . The control method of a display device according to claim 11 , wherein a step of the controlling, by using a processing module according to the obtained first data of the target image, a light emitting module to adjust luminance of a display panel further comprises:
finding, by using the processing module, a luminance value corresponding to the first data according to a luminance correspondence table, and adjusting the luminance of the display panel according to the luminance value.

15 . The control method of a display device according to claim 11 , further comprising:
when the first data computed by the pupil computing module is less than a specified value, generating a maintenance instruction; and controlling, by using the processing module according to the maintenance instruction, the light emitting module to maintain the luminance of the display panel.

16 . The control method of a display device according to claim 11 , further comprising:
when the first data computed by the pupil computing module is not less than a specified value and increases gradually, generating a maintenance instruction.

17 . The control method of a display device according to claim 16 , further comprising:
controlling, by using the processing module according to the first instruction, the light emitting module to decrease the luminance of the display panel.

18 . The control method of a display device according to claim 11 , further comprising:
when the first data computed by the pupil computing module is not less than a specified value and decreases gradually, generating a second instruction.

19 . The control method of a display device according to claim 18 , further comprising:
controlling, by using the processing module according to the second instruction, the light emitting module to increase the luminance of the display panel.

20 . A display device, comprising:
a display panel; a light emitting module, configured to adjust luminance of the display, panel; an image sensor module, configured to obtain a target image; a pupil computing module, connected to the image sensor module, to analyze first data of the target image; and a processing module, connected to the pupil computing module and the light emitting module, configured to adjust the luminance of the display panel according to the obtained first data of the display panel, wherein when the first data computed by the pupil computing module is not less than a specified value and increases gradually, a first instruction is generated, and the processing module controls, according to the first instruction, the light emitting module to decrease the luminance of the display panel; or when the first data computed by the pupil computing module is not less than a specified value and decreases gradually, a second instruction is generated, and the processing module controls, according to the second instruction, the light emitting module to increase the luminance of the display panel.

Assignees

• Hkc Corp Ltd
• Chongqing Hkc Optoelectronics Tech Co Limited

Inventors

• Lee Chia-Hang

Classifications

• G09G2354/00

  Aspects of interface with display user · CPC title

• G09G2320/08

  Arrangements within a display terminal for setting, manually or automatically, display parameters of the display terminal · CPC title

• G09G2320/0626

  for control of overall brightness · CPC title

• G09G5/10 Primary

  Intensity circuits · CPC title

• G06K9/00604

  Physics · mapped topic