Invention Grant
- Patent Title: Display device and display method to minimize power consumption of touch-screen unit
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Application No.: US16469305Application Date: 2018-04-04
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Publication No.: US11269394B2Publication Date: 2022-03-08
- Inventor: Takurou Itou
- Applicant: NTT DOCOMO, INC.
- Applicant Address: JP Tokyo
- Assignee: NTT DOCOMO, INC.
- Current Assignee: NTT DOCOMO, INC.
- Current Assignee Address: JP Tokyo
- Agency: MKG, LLC
- Priority: JPJP2017-222037 20171117
- International Application: PCT/JP2018/014489 WO 20180404
- International Announcement: WO2019/097741 WO 20190523
- Main IPC: G06F1/3231
- IPC: G06F1/3231 ; G06F1/3234 ; G06F3/041 ; G06F3/0488 ; H04W4/021
Abstract:
Power supply unit supplies power to components of smartphone. Communication unit communicates with an external device. Touch-screen unit displays an image and receives a touch operation. Control unit causes smartphone to operate in an operation mode. For example, control unit causes smartphone to operate in a first sleep mode in which power supply unit supplies power to communication unit, and power supply unit refrains from supplying power to touch-screen unit while touch-screen unit maintains a displayed image.
Public/Granted literature
- US20200272216A1 DISPLAY DEVICE AND DISPLAY METHOD Public/Granted day:2020-08-27
Information query
