# US 2010/0165084 A1 · Stereoscopic display apparatus and display method > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2010/0165084 A1 - Document ID: US20100165084A1 - Status: Published application - Kind: A1 - Application number: 12/463,433 - Filed: 2009-05-11 - Published: 2010-07-01 - Earliest claimed: 2008-12-26 - Assignees: Industrial Technology Research Institute - Inventors: Jian-Chiun Liou; Kuen Lee; Jui-Feng Huang - Web page: https://patentgrep.com/patent/US20100165084A1 ## CPC - G09G 3/003: {to produce spatial visual effects} - G09G 3/342: {using several illumination sources separately controlled corresponding to different display panel areas, e.g. along one dimension such as lines} - H04N 13/32: using arrays of controllable light sources; using moving apertures or moving light sources - H04N 13/376: for tracking left-right translational head movements, i.e. lateral movements - H04N 13/398: Synchronisation thereof; Control thereof - G09G 2300/023: Display panel composed of stacked panels - G09G 2354/00: Aspects of interface with display user - 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) - H04N: PICTORIAL COMMUNICATION, e.g. TELEVISION ## Abstract A stereoscopic display apparatus and a display method are provided. The stereoscopic display apparatus includes a display panel, a dynamic-backlight module, a tracking panel, an optical lens array. The display has an updated region and a non-updated region during a frame period the display panel displays according a first synchro-signal. The dynamic-backlight module has a plurality of light-emitting regions and the light-emitting regions are turned-on according to a second synchro-signal. The first synchro-signal and the second synchro-signal are synchronal. During the frame period, parts of the light-emitting regions corresponding to the updated region are synchronally turned-on and parts of the light-emitting regions corresponding to the non-updated region are synchronally turned-off. A light provided by at least the part of the light-emitting regions turned-on passes through one silt set and the display panel such that one of the single-eye images is only displayed by the non-updated region. ## Claims ### Claim 1 A stereoscopic display apparatus having an input end for receiving position information of viewer, comprising: a display panel, wherein the display has an updated region and a non-updated region during a frame period the display panel displays according a first synchro-signal, and two single-eye images are displayed by the updated region and the non-updated region respectively; a dynamic-backlight module having a plurality of light-emitting regions, wherein the light-emitting regions are turned-on according to a second synchro-signal, the first synchro-signal and the second synchro-signal are synchronal, and during the frame period, parts of the light-emitting regions corresponding to the updated region are synchronally turned-on and parts of the light-emitting regions corresponding to the non-updated region are synchronally turned-off; a tracking panel disposed between the display panel and the dynamic-backlight module, wherein the tracking panel has a plurality of silt sets; and wherein at least one of the slit sets of the tracking panel is turned-on according to position information of viewer and the second synchro-signal, and light provided by at least parts of the turned-on light-emitting regions passes through one of the silt sets and the display panel such that one of the single-eye images is only displayed by the non-updated region. ### Claim 2 (depends on 1) The stereoscopic display apparatus of claim 1, wherein each of the slit sets comprises a plurality of single-eye slits, the light passes through the single-eye slits and the display panel to provide the single-eye image seen by one eye of viewer. ### Claim 3 (depends on 2) The stereoscopic display apparatus of claim 2, wherein the single-eye slits extend across the light-emitting regions, and the single-eye slits extend across the updated region and the non-updated region. ### Claim 4 (depends on 1) The stereoscopic display apparatus of claim 1, wherein the light-emitting regions are of striped shape. ### Claim 5 (depends on 1) The stereoscopic display apparatus of claim 1, wherein the light-emitting regions are arranged in an array. ### Claim 6 (depends on 1) The stereoscopic display apparatus of claim 1, further comprising a control unit, wherein the input end is disposed in the control unit and the control unit is electrically connected with a signal circuit board of the tracking panel. ### Claim 7 (depends on 6) The stereoscopic display apparatus of claim 6, further comprising a graphic card electrically connected with a signal circuit board of the display panel and the control unit, wherein the graphic card outputs the first synchro-signal to the display panel so as to update the single-eye images. ### Claim 8 (depends on 7) The stereoscopic display apparatus of claim 7, wherein the control unit comprises a slit data memory block with a plurality of slit data banks therein and a data processing block electrically connected with the graphic card, the data processing block is electrically connected with the signal circuit board of the tracking panel, and after the input end receiving the position information of viewer, the data processing block compares the position information of viewer and the slit data banks. ### Claim 9 (depends on 7) The stereoscopic display apparatus of claim 7, further comprising a delayer electrically connected between the signal circuit board of the display panel and the graphic card. ### Claim 10 (depends on 7) The stereoscopic display apparatus of claim 7, wherein the control unit is electrically connected with the dynamic-backlight module, the control unit outputs the second synchro-signal according to a refreshing rate of the first synchro-signal, the control unit turns on the light-emitting regions of the dynamic-backlight module and turns on at least one of the slit sets of the tracking panel according to a second synchro-signal. ### Claim 11 (depends on 1) The stereoscopic display apparatus of claim 1, wherein one of the slit sets of the tracking panel is turned-on according to the position information of viewer and the second synchro-signal. ### Claim 12 (depends on 1) The stereoscopic display apparatus of claim 1, wherein more than one of the slit sets of the tracking panel is turned-on according to the position information of viewer and the second synchro-signal when the position information of viewer comprises more than one position information. ### Claim 13 (depends on 1) The stereoscopic display apparatus of claim 1, further comprising an optical lens array disposed between the display panel and the tracking panel. ### Claim 14 A stereoscopic display apparatus having an input end for receiving position information of viewer, comprising: a display panel, wherein the display has an updated region and a non-updated region during a frame period the display panel displays according a first synchro-signal, and two single-eye images are displayed by the updated region and the non-updated region respectively; a backlight module for providing light; a tracking panel disposed between the backlight module and the display panel, wherein the tracking panel has a plurality of silt sets and each of the slit sets comprises a plurality of transmissive areas, and at least one of the slit sets of the tracking panel is selected according to position information of viewer and one of the single-eye images display by the updated region; and during the frame period, on/off state of parts of the transmissive areas corresponding to the updated region is changed according to a second synchro-signal, on/off state of parts of the transmissive areas corresponding to the non-updated region is unchanged, and the first synchro-signal and the second synchro-signal are synchronal. ### Claim 15 (depends on 14) The stereoscopic display apparatus of claim 14, wherein parts of the transmissive areas corresponding to the updated region in one selected slit set are turned-on during the frame period and parts of the transmissive areas corresponding to the non-updated region in one selected slit set are turned-off during the frame period. ### Claim 16 (depends on 15) The stereoscopic display apparatus of claim 15, wherein parts of the transmissive areas corresponding to the non-updated region in another selected slit set are turned-on during a previous frame period and parts of the transmissive areas corresponding to the updated region in another selected slit set are turned-off during the previous frame period. ### Claim 17 (depends on 14) The stereoscopic display apparatus of claim 14, wherein the light passes through the transmissive areas of each slit set and the display panel to provide one of the single-eye images seen by one eye of viewer. ### Claim 18 (depends on 14) The stereoscopic display apparatus of claim 14, further comprising a control unit electrically connected with a signal circuit board of the tracking panel. ### Claim 19 (depends on 18) The stereoscopic display apparatus of claim 18, further comprising a graphic card electrically connected with a signal circuit board of the display panel and the control unit, wherein the graphic card outputs the first synchro-signal to the display panel and the control unit so as to update the single-eye images. ### Claim 20 (depends on 19) The stereoscopic display apparatus of claim 19, wherein the control unit comprises a slit data memory block with a plurality of slit data banks therein, the input end, and a data processing block electrically connected with the graphic card, the data processing block is electrically connected with the signal circuit board of the tracking panel, and after the input end receiving the position information of viewer, the data processing block compares the position information of viewer and the slit data banks to select at least one of the slit sets of the tracking panel and outputs the second synchro-signal according to the first synchro-signal transmitted by the graphic card so as to change on/off state of parts of the transmissive areas in the selected slit set. ### Claim 21 (depends on 19) The stereoscopic display apparatus of claim 19, further comprising a delayer electrically connected between the signal circuit board of the display panel and the graphic card. ### Claim 22 (depends on 14) The stereoscopic display apparatus of claim 14, wherein one of the slit sets of the tracking panel is selected according to the position information of viewer when the position information of viewer comprises one position information. ### Claim 23 (depends on 14) The stereoscopic display apparatus of claim 14, wherein more than one of the slit sets of the tracking panel is selected according to the position information of viewer when the position information of viewer comprises more than one position information. ### Claim 24 (depends on 14) The stereoscopic display apparatus of claim 14, wherein the backlight module provides the light continuously and stably. ### Claim 25 (depends on 14) The stereoscopic display apparatus of claim 14, further comprising an optical lens array disposed between the display panel and the tracking panel. ### Claim 26 (depends on 1) A display method for the stereoscopic display apparatus of claim 1, the display method comprising: establishing a plurality of slit data banks corresponding to a plurality of viewing angles of the stereoscopic display apparatus; selecting at least one of the slit data banks according to position information of viewer; activating the display panel and turning-on at least one of the slit sets of the tracking panel according to the selected slit data bank; and turning-on parts of the light-emitting regions corresponding to the updated region during the frame period. ### Claim 27 (depends on 26) The display method of claim 26, wherein a method of establishing a plurality of slit data banks corresponding to a plurality of viewing angles of the stereoscopic display apparatus comprises: inputting relationship of a right-eye optical path and a left-eye optical path corresponding to different viewing angles of the stereoscopic display apparatus; and estimating positions that the light passing through the tracking panel along the right-eye optical path and the left-eye optical path so as to obtain each of the slit data banks. ### Claim 28 (depends on 26) The display method of claim 26, wherein a frame rate of the display panel is about or more than 120 Hz and the single-eye images are displayed by the display panel alternately. ### Claim 29 (depends on 26) The display method of claim 26, wherein more than one of the slit data banks are selected simultaneously and more than one of the slit sets are turned-on according to the selected slit data banks. ### Claim 30 (depends on 26) The display method of claim 26, further comprising: selecting another one of the slit data banks according to a change of position of viewer; and turning-on another one of the slit sets of the tracking panel according to the selected slit data bank. ### Claim 31 (depends on 14) A display method for the stereoscopic display apparatus of claim 14, the display method comprising: establishing a plurality of slit data banks corresponding to a plurality of viewing angles of the stereoscopic display apparatus; selecting at least one of the slit data banks according to position information of viewer; activating the display panel and controlling at least one of the slit sets of the tracking panel according to the selected slit data bank; and changing on/off state of the transmissive areas corresponding to the updated region in the selected slit set during the frame period. ### Claim 32 (depends on 31) The display method of claim 31, wherein changing on/off state of the transmissive areas corresponding to the updated region in the selected slit set comprises: turning-on parts of the transmissive areas corresponding to the updated region in the selected slit set; and turning-off parts of the transmissive areas corresponding to the non-updated region in the selected slit set. ### Claim 33 (depends on 32) The display method of claim 32, further comprising: turning-off parts of the transmissive areas corresponding to the updated region in another selected slit set during the previous frame period; and turning-on parts of the transmissive areas corresponding to the non-updated region in another selected slit set during a previous frame period. ### Claim 34 (depends on 31) The display method of claim 31, wherein a method of establishing a plurality of slit data banks corresponding to a plurality of viewing angles of the stereoscopic display apparatus comprises: inputting relationship of a right-eye optical path and a left-eye optical path corresponding to different viewing angles of the stereoscopic display apparatus; and estimating positions that the light passing through the tracking panel along the right-eye optical path and the left-eye optical path so as to obtain each of the slit data banks. ### Claim 35 (depends on 31) The display method of claim 31, wherein a frame rate of the display panel is about or more than 120 Hz and the single-eye images are displayed by the display panel alternately. ### Claim 36 (depends on 31) The display method of claim 31, wherein more than one of the slit data banks are selected simultaneously and more than one of the transmissive areas are turned-on according to the selected slit data banks. ### Claim 37 (depends on 31) The display method of claim 31, further comprising: selecting another one of the slit data banks according to a change of position of viewer; and turning-on parts of the transmissive areas in another one of the slit sets of the tracking panel according to the selected slit data bank.