# US 10,311,830 B2 · Operating method, related touch display device and related semiconductor device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 10,311,830 B2 - Document ID: US10311830B2 - Status: Granted - Kind: B2 - Application number: 15/501,060 - Filed: 2016-08-12 - Published: 2018-02-08 - Granted: 2019-06-04 - Earliest claimed: 2015-12-31 - Assignees: Boe Technology Group Co., Ltd.; Hefei Xinsheng Optoelectronics Technology Co., Ltd. - Applicants: Boe Technology Group Co., Ltd; Hefei Xinsheng Optoelectronics Technology Co., Ltd. - Inventors: Yifei Zhan; Dayu Zhang - Web page: https://patentgrep.com/patent/US10311830B2 ## CPC - G06F 3/0416: {Control or interface arrangements specially adapted for digitisers} - G06F 3/04847: Interaction techniques to control parameter settings, e.g. interaction with sliders or dials - G06F 3/0488: using a touch-screen or digitiser, e.g. input of commands through traced gestures - G09G 5/10: Intensity circuits - G09G 2320/0626: for control of overall brightness - G09G 2354/00: Aspects of interface with display user - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) - 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) ## Abstract The present disclosure provides an operating method for adjusting a brightness level of a touch display device with a touch display panel, including: detecting a touch motion performed on the touch display panel; adjusting the touch display panel to display images with a first brightness level; detecting a distance between a user and the touch display panel; and adjusting the brightness level of the touch display panel to display images based on the distance between the user and the touch display panel. ## Claims ### Claim 1 An operating method for adjusting a brightness level of a touch display device with a touch display panel, comprising: detecting a touch motion performed on the touch display panel; then adjusting the touch display panel to display images with a reduced first brightness level from a higher previous brightness level based on the touch motion detected; then detecting a distance between a user and the touch display panel to evaluate if the distance is greater than or equal to a preset distance; and then if the distance is evaluated to be greater than or equal to the preset distance, adjusting a brightness level of the touch display panel to display images with an increased second brightness level from the reduced first brightness level, wherein said increased second brightness level is the same as the higher previous brightness level, and if the distance is evaluated to be less than the preset distance, maintaining the brightness level at the reduced first brightness level and again detecting the distance between the user and the touch display to again evaluate if the distance is greater than or equal to the preset distance. ### Claim 2 (depends on 1) The operating method according to claim 1, wherein the detecting the touch motion performed on the touch display panel comprises: detecting a change of a pressure applied on the touch display panel. ### Claim 3 (depends on 1) The operating method according to claim 1, wherein the detecting the touch motion performed on the touch display panel comprises: detecting a change of touch-sensing signals transmitted by the touch display panel. ### Claim 4 (depends on 1) The operating method according to claim 1, wherein detecting the distance between the user and the touch display panel comprises: obtaining the user's images for comparing the user's images with a preset image to determine the distance between the user and the touch display panel. ### Claim 5 (depends on 1) The operating method according to claim 1, wherein detecting the distance between the user and the touch display panel comprises: measuring the distance between the user and the touch display panel by acoustic waves or infrared waves. ### Claim 6 (depends on 1) The operating method according to claim 1, further comprising displaying images with a preset brightness level if the user performs operations without adjusting the brightness level of the touch display panel. ### Claim 7 (depends on 1) The operating method according to claim 1, further comprising displaying images with a desired brightness level adjusted by the user. ### Claim 8 An operating method for adjusting a brightness level of a touch display device with a touch display panel, comprising: detecting a touch motion performed on the touch display panel; then adjusting the touch display panel to display images with a reduced first brightness level from a higher previous brightness level based on the touch motion detected; then detecting a distance between a user and the touch display panel to evaluate if the distance is greater than or equal to a preset distance; and then if the distance is evaluated to be greater than or equal to the preset distance, adjusting a brightness level of the touch display panel to display images with an increased second brightness level from the reduced first brightness level, and if the distance is evaluated to be less than the preset distance, maintaining the brightness level at the reduced first brightness level and again detecting the distance between the user and the touch display to again evaluate if the distance is greater than or equal to the preset distance, and further comprising storing a value of the reduced first brightness level before detecting the touch motion performed on the touch display panel such that the touch display panel displays images with the reduced first brightness level when multiple touch motions are performed on the touch display panel. ### Claim 9 An operating method for adjusting a brightness level of a touch display device with a touch display panel, comprising: detecting a touch motion performed on the touch display panel; then adjusting the touch display panel to display images with a reduced first brightness level from a higher previous brightness level based on the touch motion detected; then detecting a distance between a user and the touch display panel to evaluate if the distance is greater than or equal to a preset distance; and then if the distance is evaluated to be greater than or equal to the preset distance, adjusting a brightness level of the touch display panel to display images with an increased second brightness level from the reduced first brightness level, and if the distance is evaluated to be less than the preset distance, maintaining the brightness level at the reduced first brightness level and again detecting the distance between the user and the touch display to again evaluate if the distance is greater than or equal to the preset distance, and further comprising storing a value of the higher second brightness level, the higher second brightness level being a brightness level displayed by the touch display panel before the touch motion or after the brightness level is adjusted by the user. ### Claim 10 A touch display device with a touch display panel, comprising: a touch motion detector for detecting a touch motion performed on the touch display panel; a distance detector for detecting a distance between a user and the touch display panel; and a processing module, coupled to the touch motion detector and the distance detector, wherein the processing module includes a processor configured to adjust the touch display panel to display images with a reduced first brightness level from a higher previous brightness level based on signals from the touch motion detector, and then determine if the distance is greater than or equal to a preset distance based on distance detected by the distance detector, and if the distance is greater than or equal to the preset distance, adjust a brightness level of the touch display panel to display images with a higher second brightness level from the reduced first brightness level, and if the distance is less than the preset distance, maintain the brightness level of the touch display panel at the reduced first brightness and then again determine if the distance is greater than or equal to the preset distance based on another distance detected by the distance detector; wherein the touch motion detector comprises a pressure sensor or a touch sensor and the distance detecting module comprises a camera, an infrared sensor or an acoustic sensor; and further comprising a storage module coupled to the processing module, wherein the storage module is configured to store the reduced first brightness level and the higher second brightness level of the touch display panel before the touch motion. ### Claim 11 (depends on 10) The touch display device according to claim 10, wherein the touch motion detector is configured to detect a touch motion by detecting a change of pressure applied on the touch display panel. ### Claim 12 (depends on 10) The touch display device according to claim 10, wherein the touch motion detector is configured to detect a touch motion by detecting a change of touch-sensing signals transmitted by the touch display panel. ### Claim 13 (depends on 10) The touch display device according to claim 10, wherein the processing module is configured to display images with a preset brightness level if the user performs operations without adjusting the brightness level of the touch display panel. ### Claim 14 (depends on 10) The touch display device according to claim 10, wherein the processing module is configured to display images with a desired brightness level adjusted by the user. ### Claim 15 (depends on 10) The touch display device according to claim 10, wherein the distance detector is configured to periodically obtain the user's images for comparing the user's images with a preset image to determine the distance between the user and the touch display panel. ### Claim 16 (depends on 10) A semiconductor device, comprising one or more of the touch display devices according to claim 10.