# US 11,308,893 B2 · Method for controlling brightness in mobile terminal display, mobile terminal and storage device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 11,308,893 B2 - Document ID: US11308893B2 - Status: Granted - Kind: B2 - Application number: 16/636,929 - Filed: 2018-08-08 - Published: 2020-05-28 - Granted: 2022-04-19 - Earliest claimed: 2017-08-08 - Assignees: Jrd Communication (Shenzhen) Ltd. - Applicants: JRD Communication (Shenzhen) LTD. - Inventors: Yanwen Chen; Yan Liu; Lanying He; Xiaobin Zhai; Junting Liu - Web page: https://patentgrep.com/patent/US11308893B2 ## CPC - G09G 3/3406: {Control of illumination source (illumination devices structurally associated with liquid crystal cells G02F1/1336)} - 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 1/3206: Monitoring of events, devices or parameters that trigger a change in power modality - G06F 1/3265: {Power saving in display device} - G06F 3/0346: with detection of the device orientation or free movement in a three-dimensional [3D] space, e.g. 3D mice, 6-DOF [six degrees of freedom] pointers using gyroscopes, accelerometers or tilt-sensors - G06F 3/0481: based on specific properties of the displayed interaction object or a metaphor-based environment, e.g. interaction with desktop elements like windows or icons, or assisted by a cursor's changing behaviour or appearance - 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} - G09G 5/10: Intensity circuits - G09G 2320/0247: Flicker reduction other than flicker reduction circuits used for single beam cathode-ray tubes - G09G 2320/0626: for control of overall brightness - G09G 2320/064: by time modulation of the brightness of the illumination source - G09G 2360/144: the light being ambient light - Y02D 10/00: Energy efficient computing, e.g. low power processors, power management or thermal management - G09G: ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION (arrangements for transferring data between digital computers and displays G06F3/14; static indicating arrangements comprising an association of a number of separate sources or light control cells G09F9/00; static indicating arrangements comprising integral associations of a number of light sources H01J, H01K, H10H, H05B33/12; scanning, transmission or reproduction of documents or the like, e.g. facsimile transmission, details thereof H04N1/00) - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - Y02D: CLIMATE CHANGE MITIGATION TECHNOLOGIES IN INFORMATION AND COMMUNICATION TECHNOLOGIES [ICT], I.E. INFORMATION AND COMMUNICATION TECHNOLOGIES AIMING AT THE REDUCTION OF THEIR OWN ENERGY USE ## Abstract Disclosed by the present application are a method for controlling brightness in mobile terminal display, a mobile terminal and a storage device, the method comprising: controlling an optical sensor and an acceleration sensor within a mobile terminal to respectively monitor in real time a change value for environmental brightness and a change value for angle of rotation; determining whether the change value for environmental brightness and the change value for angle of rotation as monitored by the mobile terminal are less than a preset brightness and a preset angle, respectively; and when yes, controlling the brightness in mobile terminal display to not change. ## Claims ### Claim 1 A method for controlling display brightness of a mobile terminal comprising: turning on a light sensor in the mobile terminal to monitor ambient brightness in real time, and turning on a acceleration sensor to monitor a rotation angle in real time at the same time; respectively monitoring the ambient brightness and the rotation angle after a position of the mobile terminal is changed through the light sensor and the acceleration sensor after the position of the mobile terminal is changed; and calculating an ambient brightness change value and a rotation angle change value of the mobile terminal by the mobile terminal based on the ambient brightness and the rotation angle after the position is changed; determining whether or not the ambient brightness change value and the rotation angle change value monitored by the mobile terminal are respectively smaller than a preset brightness and a preset angle; and controlling the display brightness of the mobile terminal unchanged when both the ambient brightness change value and the rotation angle change value are respectively smaller than the preset brightness and the preset angle. ### Claim 2 (depends on 1) The method as claimed in claim 1, wherein before the step of controlling the light sensor and the acceleration sensor in the mobile terminal in advance to respectively monitor the ambient brightness change value and the rotation angle change value in real time the method further comprises: setting a brightness adjustment state to automatically adjusting the display brightness through the mobile terminal. ### Claim 3 (depends on 1) The method as claimed in claim 1, wherein after the step of determining whether or not the ambient brightness change value and the rotation angle change value monitored by the mobile terminal are respectively smaller than the preset brightness and the preset angle the method further comprises: controlling the mobile terminal to automatically adjust the display brightness when both the ambient brightness change value and the rotation angle change value are respectively greater than or equal to the preset brightness and the preset angle. ### Claim 4 (depends on 1) The method as claimed in claim 1, wherein the preset brightness is 200 cd/m2. ### Claim 5 (depends on 1) The method as claimed in claim 1, wherein the preset angle is 40 degrees. ### Claim 6 (depends on 1) The method as claimed in claim 1, wherein the step of determining whether or not the ambient brightness change value and the rotation angle change value monitored by the mobile terminal are respectively smaller than the preset brightness and the preset angle further comprises: setting the preset brightness and the preset angle through the mobile terminal in advance; and determining whether or not the ambient brightness change value monitored by the light sensor is smaller than the preset brightness, and determining whether or not the rotation angle change value monitored by the acceleration sensor is smaller than the preset angle at the same time. ### Claim 7 (depends on 6) The method as claimed in claim 6, wherein the step of controlling the display brightness of the mobile terminal unchanged when both the ambient brightness change value and the rotation angle change value are respectively smaller than the preset brightness and the preset angle further comprises: sending an instruction for prohibiting brightness adjustment to a background of the mobile terminal when the mobile terminal determines that the ambient brightness change value is smaller than the preset brightness and the rotation angle change value is smaller than the preset angle; and controlling the display brightness of the mobile terminal unchanged by the background of the mobile terminal according to the received instruction for prohibiting brightness adjustment. ### Claim 8 A mobile terminal comprising a processor, a memory communicatively connected to the processor, the memory storing a computer program, the processor being configured to call the computer program in the memory to implement operations of: turning on a light sensor in the mobile terminal to monitor ambient brightness in real time, and turning on a acceleration sensor to monitor a rotation angle in real time at the same time; respectively monitoring the ambient brightness and the rotation angle after a position of the mobile terminal is changed through the light sensor and the acceleration sensor after the position of the mobile terminal is changed; and calculating an ambient brightness change value and a rotation angle change value of the mobile terminal by the mobile terminal based on the ambient brightness and the rotation angle after the position is changed; determining whether or not the ambient brightness change value and the rotation angle change value monitored by the mobile terminal are respectively smaller than a preset brightness and a preset angle; controlling the display brightness of the mobile terminal unchanged when both the ambient brightness change value and the rotation angle change value are respectively smaller than the preset brightness and the preset angle; and controlling the mobile terminal to automatically adjust the display brightness when both the ambient brightness change value and the rotation angle change value are respectively greater than or equal to the preset brightness and the preset angle. ### Claim 9 (depends on 8) The mobile terminal as claimed in claim 8, wherein before the operation of controlling the light sensor and the acceleration sensor in the mobile terminal in advance to respectively monitor the ambient brightness change value and the rotation angle change value in real time the operations further comprises: setting a brightness adjustment state to automatically adjusting the display brightness through the mobile terminal. ### Claim 10 (depends on 8) The mobile terminal as claimed in claim 8, wherein the preset brightness is 200 cd/m2. ### Claim 11 (depends on 8) The mobile terminal as claimed in claim 8, wherein the preset angle is 40 degrees. ### Claim 12 (depends on 8) The mobile terminal as claimed in claim 8, wherein the operation of determining whether or not the ambient brightness change value and the rotation angle change value monitored by the mobile terminal are respectively smaller than the preset brightness and the preset angle further comprises: setting the preset brightness and the preset angle through the mobile terminal in advance; and determining whether or not the ambient brightness change value monitored by the light sensor is smaller than the preset brightness, and determining whether or not the rotation angle change value monitored by the acceleration sensor is smaller than the preset angle at the same time. ### Claim 13 (depends on 12) The mobile terminal as claimed in claim 12, wherein the operation of controlling the display brightness of the mobile terminal unchanged when both the ambient brightness change value and the rotation angle change value are respectively smaller than the preset brightness and the preset angle further comprises: sending an instruction for prohibiting brightness adjustment to a background of the mobile terminal when the mobile terminal determines that the ambient brightness change value is smaller than the preset brightness and the rotation angle change value is smaller than the preset angle; and controlling the display brightness of the mobile terminal unchanged by the background of the mobile terminal according to the received instruction for prohibiting brightness adjustment. ### Claim 14 A memory device storing a computer program, the computer program being executable to implement operations of: turning on a light sensor in the mobile terminal to monitor ambient brightness in real time, and turning on a acceleration sensor to monitor a rotation angle in real time at the same time; respectively monitoring the ambient brightness and the rotation angle after a position of the mobile terminal is changed through the light sensor and the acceleration sensor after the position of the mobile terminal is changed; and calculating an ambient brightness change value and a rotation angle change value of the mobile terminal by the mobile terminal based on the ambient brightness and the rotation angle after the position is changed; determining whether or not the ambient brightness change value and the rotation angle change value monitored by the mobile terminal are respectively smaller than a preset brightness and a preset angle; and controlling the display brightness of the mobile terminal unchanged when both the ambient brightness change value and the rotation angle change value are respectively smaller than the preset brightness and the preset angle. ### Claim 15 (depends on 14) The memory device as claimed in claim 14, wherein after the operation of determining whether or not the ambient brightness change value and the rotation angle change value monitored by the mobile terminal are respectively smaller than the preset brightness and the preset angle, the operations further comprises: controlling the mobile terminal to automatically adjust the display brightness when both the ambient brightness change value and the rotation angle change value are respectively greater than or equal to the preset brightness and the preset angle. ### Claim 16 (depends on 14) The memory device as claimed in claim 14, wherein the operation of determining whether or not the ambient brightness change value and the rotation angle change value monitored by the mobile terminal are respectively smaller than the preset brightness and the preset angle further comprises: setting the preset brightness and the preset angle through the mobile terminal in advance; and determining whether or not the ambient brightness change value monitored by the light sensor is smaller than the preset brightness, and determining whether or not the rotation angle change value monitored by the acceleration sensor is smaller than the preset angle at the same time. ### Claim 17 (depends on 16) The memory device as claimed in claim 16, wherein the operation of controlling the display brightness of the mobile terminal unchanged when both the ambient brightness change value and the rotation angle change value are respectively smaller than the preset brightness and the preset angle further comprises: sending an instruction for prohibiting brightness adjustment to a background of the mobile terminal when the mobile terminal determines that the ambient brightness change value is smaller than the preset brightness and the rotation angle change value is smaller than the preset angle; and controlling the display brightness of the mobile terminal unchanged by the background of the mobile terminal according to the received instruction for prohibiting brightness adjustment.