DISPLAY PARAMETER ADJUSTING METHOD AND ELECTRONIC DEVICE EMPLOYING THE METHOD

• US 20160351166A1
• Filed: 06/01/2016
• Published: 12/01/2016
• Est. Priority Date: 06/01/2015
• Status: Active Grant

• Current Assignee: Compal Electronics Incorporated
• Original Assignee: Compal Electronics Incorporated
• Inventors: Wu, Yu-Hao, Yang, Chun-Yu, Chen, Kai-Yi, Weng, Chia-Shin
• Granted Patent: US 10,410,563 B2
• Time in Patent Office: Days
• US Class Current: 1/1
• CPC Class Codes: G03B 17/08 Waterproof bodies or housings
• CPC Class Codes: G09G 2320/0233 Improving the luminance or brightness uniformity across the screen
• CPC Class Codes: G09G 2320/0626 for control of overall brightness
• CPC Class Codes: G09G 2320/066 for control of contrast
• CPC Class Codes: G09G 2320/068 for control of viewing angle adjustment
• CPC Class Codes: G09G 2354/00 Aspects of interface with display user
• CPC Class Codes: G09G 2360/144 the light being ambient light
• CPC Class Codes: G09G 2380/00 Specific applications
• CPC Class Codes: G09G 3/20 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

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.

Claims

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:

emitting a light beam to the light receiver by the light source;

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 a 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 a reflecting element disposed on the display, and the 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 a 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 if 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.

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 a 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 a 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 further determines whether the surrounding brightness is greater than a brightness threshold, and if the surrounding brightness is greater than the brightness threshold, the processor increases the contrast ratio.

24. The electronic device according to claim 22, wherein the contrast ratio comprises a user interface contrast ratio and a character contrast ratio.