Electronic device

• US 9,710,033 B2
• Filed: 02/25/2015
• Issued: 07/18/2017
• Est. Priority Date: 02/28/2014
• Status: Active Grant

• Current Assignee: Semiconductor Energy Laboratory Co., Ltd.
• Original Assignee: Semiconductor Energy Laboratory Co., Ltd.
• Inventors: Ishikawa, Jun, Yamazaki, Shunpei
• Primary Examiner(s): Haughton, Anthony
• Application Number:
  US14/631,370
• Publication Number:
  US 20150248149A1
• Time in Patent Office: 874 Days
• Field of Search: 345 13, 345173, 345659, 345619, 345108, 345 11, 345174, 345104, 345207, 345690, 345 7, 345204, 345169, 345694, 345175, 345636, 345156, 715702, 715863, 349 15, 349 58, 349 60, 349 62, 248917, 2483465, 248919, 24823191, 2481781, 312 72, 3122231, 3122232, 36167901, 36167902, 36167927, 36167906, 36167926, 36167922, 36167905, 36167957, 36167921-6793, 36167955, 36167956
• CPC Class Codes: G06F 1/1635 Details related to the integration of battery packs and other power supplies such as fuel cells or integrated AC adapter
• CPC Class Codes: G06F 1/1641 the display being formed by a plurality of foldable display components G06F1/1647 takes precedence
• CPC Class Codes: G06F 1/1643 the display being associated to a digitizer, e.g. laptops that can be used as penpads details related to the relative motion of the display enclosure with respect to the body enclosure, e.g. to move between laptop and tablet PC configuration G06F1/1615
• CPC Class Codes: G06F 1/1652 the display being flexible, e.g. mimicking a sheet of paper, or rollable
• CPC Class Codes: G06F 1/1683 for the transmission of signal or power between the different housings, e.g. details of wired or wireless communication, passage of cabling
• CPC Class Codes: G06F 1/26 Power supply means, e.g. regulation thereof for memories G11C
• CPC Class Codes: G06F 1/263 Arrangements for using multiple switchable power supplies, e.g. battery and AC G06F1/30 takes precedence
• CPC Class Codes: G06F 3/04184 Synchronisation with the driving of the display or the backlighting unit to avoid interferences generated internally
• CPC Class Codes: G06F 3/044 by capacitive means
• CPC Class Codes: G06F 3/0446 using a grid-like structure of electrodes in at least two directions, e.g. using row and column electrodes
• CPC Class Codes: G06F 3/0488 using a touch-screen or digitiser, e.g. input of commands through traced gestures
• CPC Class Codes: G09G 2300/0426 Layout of electrodes and connections
• CPC Class Codes: G09G 2310/0221 with use of split matrices G09G3/3644 and G09G3/3666 take precedence
• CPC Class Codes: G09G 2330/02 Details of power systems and of start or stop of display operation
• CPC Class Codes: G09G 2370/08 Details of image data interface between the display device controller and the data line driver circuit
• CPC Class Codes: G09G 3/2096 Details of the interface to the display terminal specific for a flat panel suitable for both CRT and flat panel G09G5/006; specific for a CRT G09G1/167
• CPC Class Codes: G09G 3/3225 using an active matrix
• CPC Class Codes: Y02E 60/10 Energy storage using batteries

Abstract

An electronic device having a novel structure is provided. A battery is provided in each component of an electronic device, whereby the electronic device includes two batteries. The electronic device including the two batteries and a display portion that can be called a flexible display and has a plurality of foldable portions is provided as a novel device.

Claims

1. An electronic device comprising:

a central processing unit;

a display portion;

a touch input portion; and

a power management circuit,

wherein the display portion is bendable and includes a first region, a second region, and a third region,

wherein the first region overlaps with the central processing unit,

wherein the second region overlaps with a first battery in a state where the display portion is unfolded,

wherein the third region overlaps with a second battery in the state where the display portion is unfolded, and

wherein the first battery has a region not overlapping with the second battery in a state where the display portion is folded.

2. The electronic device according to claim 1, wherein the touch input portion includes a transistor including an oxide semiconductor layer.

3. The electronic device according to claim 1, wherein the central processing unit is electrically connected to the first battery and the display portion is electrically connected to the second battery.

4. The electronic device according to claim 1, wherein the power management circuit has a function of wirelessly transmitting power of the first battery to the second battery.

5. The electronic device according to claim 1, wherein a first bendable portion is provided between the first region and the second region and a second bendable portion is provided between the second region and the third region.

6. An electronic device comprising:

a central processing unit;

a display portion;

a touch input portion; and

a power management circuit,

wherein the display portion is bendable and includes a first region, a second region, and a third region,

wherein the first region overlaps with the central processing unit,

wherein the second region overlaps with a first battery in a state where the display portion is unfolded,

wherein the third region overlaps with a second battery in the state where the display portion is unfolded, and

wherein the first battery overlaps with the second battery in a state where the display portion is folded.

7. The electronic device according to claim 6, wherein the touch input portion includes a transistor including an oxide semiconductor layer.

8. The electronic device according to claim 6, wherein the central processing unit is electrically connected to the first battery and the display portion is electrically connected to the second battery.

9. The electronic device according to claim 6, wherein the power management circuit has a function of wirelessly transmitting power of the first battery to the second battery.

10. The electronic device according to claim 6, wherein a first bendable portion is provided between the first region and the second region and a second bendable portion is provided between the second region and the third region.

11. An electronic device comprising:

a central processing unit including a first battery, a first receiving portion, and a first transmitting portion;

a display portion including a second battery, a second receiving portion, and a second transmitting portion;

a touch input portion; and

a power management circuit,

wherein the first receiving portion has a function of wirelessly charging the first battery,

wherein the second receiving portion has a function of wirelessly charging the second battery,

wherein the touch input portion is electrically connected to the second battery, and

wherein the power management circuit has a function of wirelessly transmitting power of the first battery to the second battery.

12. The electronic device according to claim 11, wherein the first battery is electrically connected to the first receiving portion through a first regulator.

13. The electronic device according to claim 11, wherein the second battery is electrically connected to the second receiving portion through a second regulator.

14. The electronic device according to claim 11, wherein the display portion overlaps with the first battery and the second battery.

15. The electronic device according to claim 11, wherein the display portion includes a plurality of bendable portions.

16. The electronic device according to claim 11, wherein the touch input portion includes a transistor including an oxide semiconductor layer.