Control method, control device and electronic apparatus

• US 9,928,807 B2
• Filed: 12/18/2015
• Issued: 03/27/2018
• Est. Priority Date: 08/03/2015
• Status: Active Grant

• Current Assignee: Lenovo (Beijing) Limited (Lenovo Group Ltd.), Lenovo Company Limited (Lenovo Group Ltd.)
• Original Assignee: Lenovo (Beijing) Limited (Lenovo Group Ltd.), Lenovo Company Limited (Lenovo Group Ltd.)
• Inventors: Zhang, Shoupeng
• Primary Examiner(s): Sajous, Wesner
• Application Number:
  US14/973,799
• Publication Number:
  US 20170039996A1
• Time in Patent Office: 830 Days
• CPC Class Codes: G06F 3/1423 controlling a plurality of local displays, e.g. CRT and flat panel display
• CPC Class Codes: G09G 2320/0626 for control of overall brightness
• CPC Class Codes: G09G 2320/0666 for control of colour parameters, e.g. colour temperature
• CPC Class Codes: G09G 2360/145 the light originating from the display screen
• CPC Class Codes: G09G 5/10 Intensity circuits

Abstract

A control method applied to an electronic apparatus is disclosed. The electronic apparatus includes a display unit arranged on a first surface and a display unit arranged on a second surface, and inherent light transmittances of the display units are greater than a predetermined value. The control method includes: determining a first display unit and a second display unit, where the first display unit is a display unit arranged on a surface facing a user, and the second display unit is a display unit arranged on the other surface; detecting a light intensity around a surface where the second display unit is arranged; and in a case that a detected light intensity reaches a predetermined light intensity, adjusting at least display effect of the second display unit to reduce a light transmittance of the second display unit.

Claims

1. A control method applied to an electronic apparatus, wherein the electronic apparatus comprises a display unit arranged on a first surface and a display unit arranged on a second surface, the first surface and the second surface are opposite to each other, inherent light transmittances of the display units of the electronic apparatus are greater than a predetermined value, and the control method comprises:

determining a first display unit and a second display unit, wherein the first display unit is a display unit arranged on the surface facing a user, and the second display unit is a display unit arranged on the other surface;

detecting a light intensity around a surface where the second display unit is arranged; and

adjusting at least a display effect of the second display unit, in order to reduce a light transmittance of the second display unit, in a case that a detected light intensity reaches a predetermined light intensity,

wherein the detecting the light intensity around the surface where the second display unit is arranged comprises;

determining a visible space which the user is able to observe through the first display unit;

detecting whether there is a light source in the visible space; and

detecting an intensity of a light generated at the electronic apparatus by the light source in a case that there is a light source in the visible space.

2. The control method according to claim 1, wherein:

the adjusting at least the display effect of the second display unit comprises adjusting a display effect of a target display area in the second display unit, and

the target display area is an entire display area or a partial display area in the second display unit.

3. The control method according to claim 2, wherein the adjusting the display effect of the target display area in the second display unit comprises:

adjusting a display color of the target display area in the second display unit to a first color, in order to reduce a light transmittance of the target display area in the second display unit;

or

adjusting a transparency of the target display area in the second display unit to a first value, in order to reduce a light transmittance of the target display area in the second display unit.

4. The control method according to claim 1, wherein the determining the visible space which the user is able to observe through the first display unit comprises:

determining positions of eyes of the user relative to the first display unit; and

determining the visible space which the user is able to observe through the first display unit based on the positions of eyes of the user relative to the first display unit and a size of the second display unit.

5. The control method according to claim 1, wherein the adjusting at least the display effect of the second display unit comprises:

determining intersection points at which lines that are formed by connecting eyes of the user and the light source extend to intersect with the second display unit;

determining specific regions centered on the intersection points in the second display unit as target adjustment regions; and

adjusting display effect of the target adjustment regions in the second display unit.

6. The control method according to claim 5, wherein the adjusting the display effect of the target adjustment regions in the second display unit comprises:

adjusting a display color of the target adjustment regions in the second display unit to a first color, in order to reduce a light transmittance of the target adjustment regions in the second display unit;

or

adjusting a transparency of the target adjustment regions in the second display unit to a first value, in order to reduce a light transmittance of the target adjustment regions in the second display unit.

7. The control method according to claim 1, wherein the determining the first display unit and the second display unit comprises:

controlling an image acquisition device arranged on the first surface and an image acquisition device arranged on the second surface to acquire an image; and

determining a display unit on the surface where an image acquisition device acquiring a user image is provided as the first display unit, and determining the other display unit as the second display unit.

16. The control method according to claim 4, wherein the adjusting at least the display effect of the second display unit comprises:

determining points at which lines, each of which is defined by the light source and respective one of the eyes of the user, intersect with the second display unit;

determining specific regions centered on the intersection points in the second display unit as target adjustment regions; and

adjusting display effect of the target adjustment regions in the second display unit.

8. A control device applied to an electronic apparatus, wherein the electronic apparatus comprises a display unit arranged on a first surface and a display unit arranged on a second surface, the first surface and the second surface are opposite to each other, inherent light transmittances of the display units of the electronic apparatus are greater than a predetermined value, and the control device comprises:

a state determination unit, configured to determine a first display unit and a second display unit, wherein the first display unit is a display unit arranged on the surface facing a user, and the second display unit is a display unit arranged on the other surface;

a light-intensity detection unit, configured to detect a light intensity around a surface where the second display unit is arranged; and

a processing unit, configured to, in a case that a light intensity detected through the light-intensity detection unit reaches a predetermined light intensity, adjust at least display effect of the second display unit, in order to reduce a light transmittance of the second display unit,

wherein the light intensity detection unit comprises;

a visible space determination module, configured to determine a visible space which the user is able to observe through the first display unit;

a light source detection module, configured to detect whether there is a light source in the visible space; and

a light intensity detection module, configured to detect an intensity of a light generated at the electronic apparatus by the light source, in a case that there is a light source in the visible space.

9. The control device according to claim 8, wherein:

the processing unit comprises a first adjustment module,

the first adjustment module is configured to adjust display effect of a target display area in the second display unit, and

the target display area is an entire display area or a partial display area in the second display unit.

10. The control device according to claim 9, wherein the first adjustment module is configured to:

adjust a display color of the target display area in the second display unit to a first color, in order to reduce a light transmittance of the target display area in the second display unit;

or

adjust a transparency of the target display area in the second display unit to a first value, in order to reduce a light transmittance of the target display area in the second display unit.

11. The control device according to claim 8, wherein the visible space determination module is configured to:

determine positions of eyes of the user relative to the first display unit; and

determine a visible space which the user is able to observe through the first display unit based on the positions of eyes of the user relative to the first display unit and a size of the second display unit.

12. The control device according to claim 8, wherein the processing unit comprises:

an intersection point determination module, configured to determine intersection points at which lines that are formed by connecting eyes of the user and the light source extend to intersect with the second display unit;

a target adjustment region determination module, configured to determine specific regions centered on the intersection points in the second display unit as target adjustment regions; and

a second adjustment module, configured to adjust display effect of the target adjustment regions in the second display unit.

13. The control device according to claim 12, wherein the second adjustment module is configured to:

adjust a display color of the target adjustment regions in the second display unit to a first color, in order to reduce a light transmittance of the target adjustment regions in the second display unit;

or

adjust a transparency of the target adjustment regions in the second display unit to a first value, in order to reduce a light transmittance of the target adjustment regions in the second display unit.

14. The control device according to claim 8, wherein the state determination unit comprises:

a control module, configured to control an image acquisition device arranged on the first surface and an image acquisition device arranged on the second surface to acquire an image; and

a state determination module, configured to determine a display unit on a surface where an image acquisition device acquiring a user image is provided as the first display unit, and determine the other display unit as the second display unit.

15. An electronic apparatus, comprising a display unit arranged on a first surface and a display unit arranged on a second surface, wherein the first surface and the second surface are opposite to each other, inherent light transmittances of the display units of the electronic apparatus are greater than a predetermined value, and the electronic apparatus further comprises a control device according to claim 8.

17. The control device according to claim 11, wherein the processing unit comprises:

an intersection point determination module, configured to determine intersection points at which lines that are formed by connecting the eyes of the user and the light source extend to intersect with the second display unit;

a target adjustment region determination module, configured to determine specific regions centered on the intersection points in the second display unit as target adjustment regions; and

a second adjustment module, configured to adjust display effect of the target adjustment regions in the second display unit.

18. An electronic apparatus, comprising a display unit arranged on a first surface and a display unit arranged on a second surface, wherein the first surface and the second surface are opposite to each other, inherent light transmittances of the display units of the electronic apparatus are greater than a predetermined value, and the electronic apparatus further comprises a control device according to claim 9.