# US 2014/0192003 A1 · Display device and control method thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0192003 A1 - Document ID: US20140192003A1 - Status: Published application - Kind: A1 - Application number: 14/204,817 - Filed: 2014-03-11 - Published: 2014-07-10 - Earliest claimed: 2012-09-28 - Assignees: LG Electronics Inc. - Applicants: LG Electronics Inc. - Inventors: Jihwan KIM - Web page: https://patentgrep.com/patent/US20140192003A1 ## CPC - G06F 3/016: {Input arrangements with force or tactile feedback as computer generated output to the user} - G06F 3/041: Digitisers, e.g. for touch screens or touch pads, characterised by the transducing means - G06F 3/0416: {Control or interface arrangements specially adapted for digitisers} - G06F 3/0488: using a touch-screen or digitiser, e.g. input of commands through traced gestures - G06F 3/04883: for inputting data by handwriting, e.g. gesture or text - G06F 2203/04808: Several contacts: gestures triggering a specific function, e.g. scrolling, zooming, right-click, when the user establishes several contacts with the surface simultaneously; e.g. using several fingers or a combination of fingers and pen - G06F: ELECTRIC DIGITAL DATA PROCESSING (computer systems based on specific computational models G06N) ## Abstract A display device and method for controlling the display device are discussed. In one embodiment, the display device includes a display unit configured to display an object; a tactile feedback unit configured to generate tactile feedback; and a controller configured to: assign first tactile feedback to a first region corresponding to a first object and second feedback to a second region corresponding to a second object; detect a first control input in the first region corresponding to the first object, the first control input controlling the first object displayed on the display unit; generate the first tactile feedback according to properties of the first object; and maintain the first tactile feedback when the first control input is moving from the first region to the second region corresponding to the second object while the first object is controlled by the first control input. ## Claims ### Claim 1 A display device comprising: a display unit configured to display an object; a tactile feedback unit configured to generate tactile feedback; and a controller configured to: assign first tactile feedback to a first region corresponding to a first object and second feedback to a second region corresponding to a second object; detect a first control input in the first region corresponding to the first object, the first control input controlling the first object displayed on the display unit; generate the first tactile feedback according to properties of the first object; and maintain the first tactile feedback when the first control input is moving from the first region to the second region corresponding to the second object while the first object is controlled by the first control input. ### Claim 2 (depends on 1) The display device according to claim 1, wherein the first control input includes at least one of touch input, gesture input, sound input, and signal input. ### Claim 3 (depends on 1) The display device according to claim 1, wherein the controller is further configured to generate the second tactile feedback according to properties of the second object in response to the first control input when control with respect to the first object by the first control input ends in the second region. ### Claim 4 (depends on 1) The display device according to claim 1, wherein the controller is further configured to: detect a second control input that is detected in the second region corresponding to the second object, wherein the second control input is not in control of the first object; and generate the second tactile feedback according to properties of the second object in response to the second control input. ### Claim 5 (depends on 1) The display device according to claim 1, wherein the second region is a background image displayed on the display unit. ### Claim 6 (depends on 1) The display device according to claim 1, wherein the controller is further configured to display a background image, and wherein generation of the first tactile feedback includes generating the first tactile feedback according to texture of the first object and texture of the background image. ### Claim 7 (depends on 1) The display device according to claim 1, wherein the controller is further configured to temporarily generate the second tactile feedback different from the first tactile feedback at a time point when the first control input begins to be detected in the second region corresponding to the second object. ### Claim 8 (depends on 1) The display device according to claim 1, wherein the controller is further configured to generate the second tactile feedback according to properties of the second object in response to the first control input when the first control input is detected at a position to which a distance from the first region exceeds a distance threshold. ### Claim 9 (depends on 1) The display device according to claim 1, wherein the first object includes a plurality of sub-objects, and wherein the controller is further configured to generate third tactile feedback according to properties of a first sub-object and fourth tactile feedback according to properties of a second sub-object when the first control input is detected in a region of the first sub-object and the second sub-object respectively. ### Claim 10 (canceled) ### Claim 11 (depends on 1) The display device according to claim 1, wherein the properties of the first object include at least one of texture, color, weight, pattern and brightness of the displayed first object. ### Claim 12 (depends on 1) The display device according to claim 1, wherein the controller is further configured to control the first object in response to the first control input such that the first object is controlled based on any one of an X-axis component or a Y-axis component of the first control input. ### Claim 13 (depends on 1) The display device according to claim 1, wherein control with respect to the first object includes at least one of movement, rotation, enlargement and contraction of the first object. ### Claim 14 (depends on 1) The display device according to claim 1, wherein the display device includes at least one of a smart phone, Personal Digital Assistant (PDA), cellular phone, MP3 music player, laptop computer, smart pad, tablet Personal Computer (PC), television, and smart table, which includes the display unit. ### Claim 15 (canceled) ### Claim 16 (depends on 1) The display device according to claim 1, wherein the tactile feedback includes non-contact tactile feedback. ### Claim 17 (depends on 16) The display device according to claim 16, wherein the tactile feedback unit is configured to generate tactile feedback using at least one of ultrasonic vibration, acoustic radiation pressure, magnetic field, compressed air, wearable tactile device and remote tactile device. ### Claim 18 A method of controlling a display device, the method comprising: assigning first tactile feedback to a first region corresponding to a first object and second feedback to a second region corresponding to a second object; detecting a first control input in the first region corresponding to the first object, the first control input controlling the first object displayed on the a display unit; generating the first tactile feedback according to properties of the first object; and maintaining the first tactile feedback when the first control input is moving from the first region to the second region corresponding to the second object while the first object is controlled by the first control input. ### Claim 19 (depends on 18) The method according to claim 18, wherein the first control input includes at least one of touch input, gesture input, sound input, and signal input. ### Claim 20 (depends on 18) The method according to claim 18, further comprising: generating the second tactile feedback according to properties of the second object in response to the first control input when control with respect to the first object by the first control input ends in the second region. ### Claim 21 (depends on 18) The method according to claim 18, further comprising: detecting a second control input that is detected in the second region corresponding to the second object, wherein the second control input is not in control of the first object; and generating the second tactile feedback according to properties of the second object in response to the second control input. ### Claim 22 (depends on 18) The method according to claim 18, wherein the second region is a background image displayed on the display unit. ### Claim 23 (depends on 18) The method according to claim 18, further comprising: displaying a background image, and wherein generation of the first tactile feedback includes generating the first tactile feedback according to texture of the first object and texture of the background image. ### Claim 24 (depends on 18) The method according to claim 18, further comprising: generating the second tactile feedback different from the first tactile feedback at a time point when the first control input begins to be detected in the second region corresponding to the second object. ### Claim 25 (depends on 18) The method according to claim 18, further comprising: generating the second tactile feedback according to properties of the second object in response to the first control input when the first control input is detected at a position to which a distance from the first region exceeds a distance threshold. ### Claim 26 (depends on 18) The method according to claim 18, further comprising: generating third tactile feedback according to properties of a first sub-object and fourth tactile feedback according to properties of a second sub-object when the first control input is detected in a region of the first sub-object and the second sub-object respectively, wherein the first object includes the first sub-object and the second sub-object. ### Claim 27 (depends on 18) The method according to claim 18, wherein the properties of the first object include at least one of texture, color, weight, pattern and brightness of the displayed first object. ### Claim 28 (depends on 18) The method according to claim 18, further comprising: controlling the first object in response to the first control input such that the first object is controlled based on any one of an X-axis component or a Y-axis component of the first control input. ### Claim 29 (depends on 18) The method according to claim 18, wherein control with respect to the first object includes at least one of movement, rotation, enlargement and contraction of the first object. ### Claim 30 (depends on 18) The method according to claim 18, wherein the display device includes at least one of a smart phone, Personal Digital Assistant (PDA), cellular phone, MP3 music player, laptop computer, smart pad, tablet Personal Computer (PC), television, and smart table, which includes the display unit. ### Claim 31 (depends on 18) The method according to claim 18, wherein the tactile feedback includes non-contact tactile feedback. ### Claim 32 (depends on 31) The method according to claim 31, the tactile feedback is generated by using at least one of ultrasonic vibration, acoustic radiation pressure, magnetic field, compressed air, a wearable tactile device and a remote tactile device.