Display with wireless charging function, operation method thereof and corresponding portable electronic apparatus

• US 9,030,457 B2
• Filed: 02/04/2013
• Issued: 05/12/2015
• Est. Priority Date: 06/07/2012
• Status: Active Grant

• Current Assignee: AU Optronics Corporation
• Original Assignee: AU Optronics Corporation
• Inventors: Liu, Jia-Wei, Li, Yueh-Han
• Primary Examiner(s): Sasinowski, Andrew
• Application Number:
  US13/757,943
• Publication Number:
  US 20130328849A1
• Time in Patent Office: 827 Days
• Field of Search: 320/108
• US Class Current: 345/211
• CPC Class Codes: G09G 2330/02 Details of power systems and of start or stop of display operation
• CPC Class Codes: G09G 2380/04 Electronic labels
• 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

A display with wireless power charging function, an operation method thereof and a corresponding portable electronic apparatus are provided. The display includes a RFID read/write module and is applicable to electrically charge a portable electronic apparatus with a RFID tag. The operation method includes steps of: displaying an image on the display surface of the display panel of the display; transmitting data between the Radio Frequency Identification read/write module of the display and the Radio Frequency Identification tag of the portable electronic apparatus and electrically charging the energy storage unit of the portable electronic apparatus while the portable electronic apparatus is placed in the readable/writable area; and adjusting, while the portable electronic apparatus is placed in the readable/writable area, the image to an updated image having no overlap with the readable/writable area if the image has an overlap with the readable/writable area.

Claims

1. A display with wireless power charging function applicable to electrically charge a portable electronic apparatus with a Radio Frequency Identification tag, the Radio Frequency Identification tag being electrically connected to a power supply unit of the portable electronic apparatus, the power supply unit comprising an energy storage unit configured to supply an operation power to the portable electronic apparatus, the display comprising:

a display panel with a display surface;

a Radio Frequency Identification read/write module configured to transmit/receive data to/from the portable electronic apparatus through the Radio Frequency Identification tag and electrically charge the energy storage unit of the portable electronic apparatus, wherein the Radio Frequency Identification read/write module is disposed at a predetermined position on the display panel, and a readable/writable area is defined on the display surface based on a communicable range of the Radio Frequency Identification read/write module and the portable electronic apparatus, the readable/writable area and a portion of the display surface overlap; and

a control module electrically connected between the display panel and the Radio Frequency Identification read/write module and configured to drive the display panel to display an image on the display surface, wherein the control module is further configured to, when the data transmission between the Radio Frequency Identification read/write module of the display and the Radio Frequency Identification tag of the portable electronic apparatus as well as the electrically charging of the portable electronic apparatus are being performed while the portable electronic apparatus is placed in the readable/writable area, drive the display panel to adjust the image to an updated image if the image has an overlap with the readable/writable area, the updated image is adjusted to have no overlap with the readable/writable area;

wherein the data transmitted between the Radio Frequency Identification read/write module of the display and the Radio Frequency Identification tag of the portable electronic apparatus includes an identification signal issued from the Radio Frequency Identification tag to the Radio Frequency Identification read/write module, the identification signal is used to determine the apparatus size of the portable electronic apparatus.

2. The display according to claim 1, wherein the control module comprises:

a scan driver electrically connected to the display panel;

a data driver electrically connected to the display panel; and

a timing controller electrically connected to the scan driver, the data driver and the Radio Frequency Identification read/write module and configured to, through the scan driver and the data driver, drive the display panel.

3. The display according to claim 2, wherein the timing controller reduces the size of the image by reducing the resolution thereof and thereby forming the updated image, and the timing controller is further configured to, while reducing the size of the image, reallocate positions of a plurality of graphical interfaces in the image.

4. The display according to claim 2, wherein the data transmitted between the Radio Frequency Identification read/write module of the display and the Radio Frequency Identification tag of the portable electronic apparatus include a charging status signal issued from the Radio Frequency Identification tag to the Radio Frequency Identification read/write module, and the timing controller is further configured to, according to the charging status signal, display a charging status image of the portable electronic apparatus on a side of the updated image, the charging status image includes information for indicating the remaining electrical power and/or the estimating charging time of the energy storage unit.

5. The display according to claim 1, wherein the control module is further configured to, based on the apparatus size of the portable electronic apparatus, determine the size of the updated image.

6. The display according to claim 1, wherein the data transmitted between the Radio Frequency Identification read/write module of the display and the Radio Frequency Identification tag of the portable electronic apparatus include a request signal issued from the Radio Frequency Identification read/write module to the Radio Frequency Identification tag, the Radio Frequency Identification tag issues the identification signal in response to the request signal.

7. The display according to claim 1, wherein the Radio Frequency Identification read/write module is further configured to, before the apparatus size of the portable electronic apparatus is determined according to the identification signal, determine whether or not the identification signal is valid and thereby further determining whether or not the portable electronic apparatus belongs to a predetermined identification group of the Radio Frequency Identification read/write module.

8. An operation method of a display with wireless power charging function, the display being applicable to electrically charge a portable electronic apparatus with a Radio Frequency Identification tag, the Radio Frequency Identification tag being electrically connected to a power supply unit of the portable electronic apparatus, the power supply unit comprising an energy storage unit configured to supply an operation power to the portable electronic apparatus, the display comprising a display panel with a display surface and a Radio Frequency Identification read/write module, the Radio Frequency Identification read/write module being disposed at a predetermined position on the display panel, and a readable/writable area is defined on the display surface based on a communicable range of the Radio Frequency Identification read/write module and the portable electronic apparatus, the readable/writable area and a portion of the display surface overlapping, the operation method comprising:

displaying an image on the display surface of the display panel of the display;

transmitting data between the Radio Frequency Identification read/write module of the display and the Radio Frequency Identification tag of the portable electronic apparatus and electrically charging the energy storage unit of the portable electronic apparatus while the portable electronic apparatus is placed in the readable/writable area; and

adjusting, while the portable electronic apparatus is placed in the readable/writable area, the image to an updated image having no overlap with the readable/writable area if the image has an overlap with the readable/writable area so as to reduce the size of the image by reducing the resolution thereof and thereby forming the update image by reducing the size of the image and reallocating positions of a plurality of graphical interfaces in the image.

9. The operation method according to claim 8, further comprising:

determining the size of the updated image based on the apparatus size of the portable electronic apparatus.

10. The operation method according to claim 8, further comprising:

issuing an identification signal from the Radio Frequency Identification tag to the Radio Frequency Identification read/write module, wherein the identification signal is used to determine the apparatus size of the portable electronic apparatus.

11. The operation method according to claim 10, further comprising:

issuing a request signal from the Radio Frequency Identification read/write module to the Radio Frequency Identification tag, wherein the Radio Frequency Identification tag issues the identification signal in response to the request signal.

12. The operation method according to claim 10, further comprising:

determining, before the apparatus size of the portable electronic apparatus is determined according to the identification signal, whether or not the identification signal is valid and thereby further determining whether or not the portable electronic apparatus belongs to a predetermined identification group of the radio frequency identification read/write module.

13. The operation method according to claim 8, further comprising:

issuing, while the energy storage unit is being electrically charged, a charging status signal from the Radio Frequency Identification tag to the Radio Frequency Identification read/write module; and

displaying, according to the charging status signal, a charging status image of the portable electronic apparatus on a side of the updated image, wherein the charging status image includes information for indicating the remaining electrical power and/or the estimating charging time of the energy storage unit.