Display parameter adjusting method and electronic device employing the method

Patent metadata

Field	Value
Publication number	US-10410563-B2
Application number	US-201615169738-A
Country	US
Kind code	B2
Filing date	Jun 1, 2016
Priority date	Jun 1, 2015
Publication date	Sep 10, 2019
Grant date	Sep 10, 2019

Abstract

The present invention provides a display parameter adjusting method and an electronic device employing the method. The electronic device includes a display, a light source and a light receiver. The display parameter adjusting method includes: emitting a light beam to the light receiver by the light source; calculating a turbidity of a location of the display according to a first light intensity of the light beam received by the light receiver, wherein a propagation direction of the light beam emitted by the light source is parallel to a displaying surface of the display, and the location is beneath a water surface; and adjusting the display parameter according to the turbidity.

First claim

What is claimed is:

1. A display parameter adjusting method adapted to an electronic device, the electronic device comprises a display, a processor, a light source and a light receiver, the display parameter adjusting method comprises:
disposing the light source and the light receiver on a rim of a displaying surface of the display;
disposing a reflecting element on a center of the displaying surface;
emitting a light beam to the light receiver by the light source, wherein the light beam propagates through the reflecting element;
the processor calculating a turbidity of a location of the display according to a first light intensity of the light beam received by the light receiver, wherein a propagation direction of the light beam emitted by the light source is parallel to the displaying surface of the display, and the location is located beneath a water surface; and
the processor adjusting a display parameter of the display according to the turbidity.

2. The display parameter adjusting method according to claim 1 , wherein the display parameter adjusting method further comprises:
the processor calculating a surrounding brightness of the location of the display; and
the processor adjusting the display parameter of the display according to the turbidity and the surrounding brightness.

3. The display parameter adjusting method according to claim 2 , wherein the electronic device further comprises the reflecting element disposed on the display, and a step of calculating the surrounding brightness of the location of the display comprises:
refracting an ambient light to the light receiver through the reflecting element; and
the processor calculating the surrounding brightness according to a second light intensity of the refracted ambient light received by the light receiver.

4. The display parameter adjusting method according to claim 3 , wherein the reflecting element is disposed on the propagation direction of the light beam, and the reflecting element is a transflective mirror.

5. The display parameter adjusting method according to claim 1 , wherein the light source is a directional light source.

6. The display parameter adjusting method according to claim 1 , wherein the display parameter comprises a display brightness, and when the turbidity is not less than a turbidity threshold, the processor increases the display brightness.

7. The display parameter adjusting method according to claim 6 , wherein when the turbidity is less than the turbidity threshold, the processor further determines whether the surrounding brightness is greater than a brightness threshold, and when the surrounding brightness is greater than the brightness threshold, the processor increases the display brightness.

8. The display parameter adjusting method according to claim 1 , wherein the display parameter comprises a character size, when the turbidity is not less than a turbidity threshold, the processor enlarges the character size.

9. The display parameter adjusting method according to claim 8 , wherein when the turbidity is less than the turbidity threshold, the processor further determines whether the surrounding brightness is greater than a brightness threshold, and when the surrounding brightness is greater than the brightness threshold, the processor scales down the character size.

10. The display parameter adjusting method according to claim 1 , wherein the display parameter comprises a contrast ratio, and when the turbidity is not less than a turbidity threshold, the processor increases the contrast ratio.

11. The display parameter adjusting method according to claim 10 , wherein when the turbidity is less than the turbidity threshold, the processor further determines whether the surrounding brightness is greater than a brightness threshold, and when the surrounding brightness is greater than the brightness threshold, the processor increases the contrast ratio.

12. The display parameter adjusting method according to claim 10 , wherein the contrast ratio comprises a user interface contrast ratio and a character contrast ratio.

13. An electronic device, comprising:
a display;
a processor, coupled with the display;
a light source, coupled with the processor; and
a light receiver, coupled with the processor,
wherein the processor instructs the light source to emit a light beam to the light receiver,
wherein the processor calculates a turbidity of a location of the display according to a first light intensity of the light beam received by the light receiver, wherein a propagation direction of the light beam emitted by the light source is parallel to a displaying surface of the display, and the location is located beneath a water surface,
wherein the processor adjusts a display parameter of the display according to the turbidity,
wherein the light source and the light receiver are disposed on a rim of the displaying surface of the display,
wherein a reflecting element is disposed on a center of the displaying surface,
wherein the light beam propagates through the reflecting element.

14. The electronic device according to claim 13 , wherein the processor calculates a surrounding brightness of the location of the display,
wherein the processor adjusts the display parameter of the display according to the turbidity and the surrounding brightness.

15. The electronic device according to claim 14 , wherein the electronic device further comprises the reflecting element disposed on the display, wherein the reflecting element refracts an ambient light to the light receiver,
wherein the processor calculates the surrounding brightness according to a second light intensity of the refracted ambient light received by the light receiver.

16. The electronic device according to claim 15 , wherein the reflecting element is disposed on the propagation direction of the light beam, and the reflecting element is a transflective mirror.

17. The electronic device according to claim 13 , wherein the light source is a directional light source.

18. The electronic device according to claim 13 , wherein the display parameter comprises a display brightness, and when the turbidity is not less than a turbidity threshold, the processor increases the display brightness.

19. The electronic device according to claim 18 , wherein when the turbidity is less than the turbidity threshold, the processor further determines whether the surrounding brightness is greater than a brightness threshold, and when the surrounding brightness is greater than the brightness threshold, the processor increases the display brightness.

20. The electronic device according to claim 13 , wherein the display parameter comprises a character size, when the turbidity is not less than a turbidity threshold, the processor enlarges the character size.

21. The electronic device according to claim 20 , wherein when the turbidity is less than the turbidity threshold, the processor further determines whether the surrounding brightness is greater than a brightness threshold, and when the surrounding brightness is greater than the brightness threshold, the processor scales down the character size.

22. The electronic device according to claim 13 , wherein the display parameter comprises a contrast ratio, and when the turbidity is not less than a turbidity threshold, the processor increases the contrast ratio.

23. The electronic device according to claim 22 , wherein when the turbidity is less than the turbidity threshold, the processor

Assignees

• Chen kai yi
• Wu yu hao
• Yang chun yu
• Weng Chia Shin
• Compal Electronics Inc

Inventors

• Chen Kai-Yi
• Wu Yu-Hao
• Yang Chun-Yu
• Weng Chia-Shin

Classifications

• G09G3/20 Primary

  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 {no fixed position being assigned to or needed to be assigned to the individual characters or partial characters} · CPC title

• G09G2354/00

  Aspects of interface with display user · CPC title

• G09G2380/00

  Specific applications · CPC title

• G09G2320/0626

  for control of overall brightness · CPC title

• G09G2360/144

  the light being ambient light · CPC title