# US 10,375,231 B2 · Mobile phone > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,375,231 B2 - Document ID: US10375231B2 - Status: Granted - Kind: B2 - Application number: 15/884,645 - Filed: 2018-01-31 - Published: 2018-05-31 - Granted: 2019-08-06 - Earliest claimed: 2007-12-03 - Assignees: Semiconductor Energy Laboratory Co., Ltd. - Applicants: Semiconductor Energy Laboratory Co., Ltd. - Inventors: Shunpei Yamazaki - Web page: https://patentgrep.com/patent/US10375231B2 ## CPC - H04M 1/72466: with selection means, e.g. keys, having functions defined by the mode or the status of the device - G06F 1/1626: {with a single-body enclosure integrating a flat display, e.g. Personal Digital Assistants [PDAs]} - G06F 1/1656: {Details related to functional adaptations of the enclosure, e.g. to provide protection against EMI, shock, water, or to host detachable peripherals like a mouse or removable expansions units like PCMCIA cards, or to provide access to internal components for maintenance or to removable storage supports like CDs or DVDs, or to mechanically mount accessories (mounting of accessories to a computer display G06F1/1607; display hoods G06F1/1603; cooling arrangements for portable computers G06F1/203)} - G06F 1/1684: {Constructional details or arrangements related to integrated I/O peripherals not covered by groups G06F1/1635 - G06F1/1675} - G06F 1/1694: {the I/O peripheral being a single or a set of motion sensors for pointer control or gesture input obtained by sensing movements of the portable computer} - G06F 3/041: Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means - G06F 3/0421: {by interrupting or reflecting a light beam, e.g. optical touch-screen} - G06F 3/0488: using a touch-screen or digitiser, e.g. input of commands through traced gestures - G06F 3/04886: by partitioning the display area of the touch-screen or the surface of the digitising tablet into independently controllable areas, e.g. virtual keyboards or menus - G06F 2200/1614: Image rotation following screen orientation, e.g. switching from landscape to portrait mode - G06F 2200/1637: Sensing arrangement for detection of housing movement or orientation, e.g. for controlling scrolling or cursor movement on the display of an handheld computer - H04M 2250/12: including a sensor for measuring a physical value, e.g. temperature or motion - H04M 2250/22: including a touch pad, a touch sensor or a touch detector - H04M: TELEPHONIC COMMUNICATION (circuits for controlling other apparatus via a telephone cable and not involving telephone switching apparatus G08) - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) ## Abstract To provide a mobile phone which can be used without hampering convenience in a condition where functions of the mobile phone are switched and can improve operability. The mobile phone includes an optical sensor, a display element, a pixel circuit portion where a plurality of pixels having a plurality of transistors are arranged in matrix, an optical sensor control circuit which is connected to an optical sensor driver circuit for driving the optical sensor and reads a signal from the optical sensor, a display portion control circuit which is connected to a display element driver circuit for driving the display element and outputs an image signal for displaying an image on a display portion, a gradient detection portion for outputting a signal in accordance with a gradient of the mobile phone, and an arithmetic circuit for performing display in the pixel circuit portion by switching image signals output to the display portion control circuit with a signal from the gradient detection portion. ## Claims ### Claim 1 A mobile information-communication device comprising: a housing having a rectangle shape; a display portion provided on a first surface of the housing, the display portion having a rectangle shape with first and second long-sides and first and second short-sides; a speaker provided on the housing; and a microphone provided on the housing, wherein the display portion is configured to display a first input key display region adjacent to a left one of the first and second short-sides of the display portion, a second input key display region adjacent to a right one of the first and second short-sides of the display portion, and a character display region between the first input key display region and the second input key display region when the housing is held laterally by both hands of a user, wherein the first input key display region is configured to be operated by a left hand of the user, and the second input key display region is configured to be operated by a right hand of the user, wherein the speaker is provided adjacent to the first short-side of the display portion, and wherein the microphone is provided adjacent to the second short-side of the display portion. ### Claim 2 (depends on 1) The mobile information-communication device according to claim 1, wherein the display portion includes one of a liquid crystal element, an EL element, and an electrophoretic element. ### Claim 3 (depends on 1) The mobile information-communication device according to claim 1, wherein the mobile information-communication device is a mobile phone. ### Claim 4 (depends on 1) The mobile information-communication device according to claim 1, further comprising an imaging lens on the first surface of the housing. ### Claim 5 A mobile information-communication device comprising: a housing; a display portion provided on a first surface of the housing, each of the housing and the display portion having a rectangle shape with first and second long-sides and first and second short-sides; a speaker provided on the housing; and a microphone provided on the housing, wherein the display portion is configured to display a first input key display region adjacent to a left one of the first and second short-sides of the display portion, a second input key display region adjacent to a right one of the first and second short-sides of the display portion, and a character display region between the first input key display region and the second input key display region when the housing is held laterally by both hands of a user, wherein the first input key display region is configured to be operated by a left hand of the user, and the second input key display region is configured to be operated by a right hand of the user, and wherein the character display region is configured to display a character input by the user using keys of the first input key display region and the second input key display region. ### Claim 6 (depends on 5) The mobile information-communication device according to claim 5, wherein the display portion includes one of a liquid crystal element, an EL element, and an electrophoretic element. ### Claim 7 (depends on 5) The mobile information-communication device according to claim 5, wherein the mobile information-communication device is a mobile phone. ### Claim 8 (depends on 5) The mobile information-communication device according to claim 5, further comprising an imaging lens on the first surface of the housing. ### Claim 9 A mobile information-communication device comprising: a housing; and a display portion provided on a first surface of the housing, each of the housing and the display portion having a rectangle shape with first and second long-sides and first and second short-sides, wherein the display portion is configured to display a first input key display region adjacent to a left one of the first and second short-sides of the display portion, a second input key display region adjacent to a right one of the first and second short-sides of the display portion, and a character display region between the first input key display region and the second input key display region when the housing is held laterally by both hands of a user, wherein the first input key display region is configured to be operated by a left hand of the user, and the second input key display region is configured to be operated by a right hand of the user, and wherein the character display region is configured to display a character input by at least one of the left hand and the right hand of the user on keys of at least one of the first input key display region and the second input key display region. ### Claim 10 (depends on 9) The mobile information-communication device according to claim 9, wherein the display portion includes one of a liquid crystal element, an EL element, and an electrophoretic element. ### Claim 11 (depends on 9) The mobile information-communication device according to claim 9, wherein the mobile information-communication device is a mobile phone. ### Claim 12 (depends on 9) The mobile information-communication device according to claim 9, further comprising a speaker, a microphone, and an imaging lens provided on the housing.