# US 2014/0198099 A1 · Display-mode switching device, stereoscopic display device and display method thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 2014/0198099 A1 - Document ID: US20140198099A1 - Status: Published application - Kind: A1 - Application number: 13/859,756 - Filed: 2013-04-10 - Published: 2014-07-17 - Earliest claimed: 2013-01-14 - Assignees: Hannstar Display Corp. - Applicants: Hannstar Display Corp. - Inventors: Heng-Cheng Tseng; Chih-Hsuan Lee - Web page: https://patentgrep.com/patent/US20140198099A1 ## CPC - G02F 1/29: for the control of the position or the direction of light beams, i.e. deflection - G02B 30/27: involving lenticular arrays - G02B 30/31: involving active parallax barriers (involving directional light or back-light sources G02B30/33) - G02F 1/134309: {characterised by their geometrical arrangement} - G02F 2201/124: interdigital - G02F: OPTICAL DEVICES OR ARRANGEMENTS FOR THE CONTROL OF LIGHT BY MODIFICATION OF THE OPTICAL PROPERTIES OF THE MEDIA OF THE ELEMENTS INVOLVED THEREIN; NON-LINEAR OPTICS; FREQUENCY-CHANGING OF LIGHT; OPTICAL LOGIC ELEMENTS; OPTICAL ANALOGUE/DIGITAL CONVERTERS - G02B: OPTICAL ELEMENTS, SYSTEMS OR APPARATUS ## Abstract A display-mode switching device includes a substrate, a plurality of first electrode stripes, a plurality of second electrode stripes, a plurality of third electrode stripes, a fourth electrode stripes, and a common electrode covering a surface of the substrate. The first electrode stripes, the second electrode stripes, the third electrode stripes and the fourth electrode stripes are disposed on the insulating layer, and each first electrode stripe, each third electrode stripe, each second electrode stripe and each fourth electrode stripe are sequentially arranged along a direction. ## Claims ### Claim 1 A display-mode switching device, comprising: a first substrate having a first surface; a first electrode pattern disposed on the first substrate, and the first electrode pattern comprising a plurality of first electrode stripes parallel to each other; a second electrode pattern disposed on the first substrate, and the second electrode pattern comprising a plurality of second electrode stripes parallel to each other; a third electrode pattern disposed on the first substrate, and the third electrode pattern comprising a plurality of third electrode stripes parallel to each other; a fourth electrode pattern disposed on the first substrate, and the fourth electrode pattern comprising a plurality of fourth electrode stripes parallel to each other, wherein each first electrode stripe, each third electrode stripe, each second electrode stripe and each fourth electrode stripe are sequentially arranged along a direction; and a common electrode covering the first surface of the first substrate. ### Claim 2 (depends on 1) The display-mode switching device according to claim 1, further comprising a second substrate having a second surface disposed opposite to the first surface of the first substrate. ### Claim 3 (depends on 2) The display-mode switching device according to claim 2, further comprising a liquid crystal layer disposed between the first substrate and the second substrate. ### Claim 4 (depends on 1) The display-mode switching device according to claim 1, further comprising a reference electrode covering the first surface of the first substrate. ### Claim 5 (depends on 4) The display-mode switching device according to claim 4, further comprising a first insulating layer covering the reference electrode. ### Claim 6 (depends on 1) The display-mode switching device according to claim 1, further comprising a second insulating layer disposed between the first electrode pattern and the third electrode pattern and between the second electrode pattern and the fourth electrode pattern. ### Claim 7 (depends on 1) The display-mode switching device according to claim 1, further comprising a second insulating layer disposed between the second electrode pattern and the third electrode pattern. ### Claim 8 (depends on 7) The display-mode switching device according to claim 7, further comprising a third insulating layer disposed between the first electrode pattern and the second electrode pattern. ### Claim 9 (depends on 7) The display-mode switching device according to claim 7, further comprising a fourth insulating layer disposed between the third electrode pattern and the fourth electrode pattern. ### Claim 10 (depends on 1) A stereoscopic display device, comprising: a display panel having a display surface; and a display-mode switching device according to claim 1, disposed on the display surface. ### Claim 11 (depends on 10) A display method of a stereoscopic display device, comprising: providing the stereoscopic display device according to claim 10 to display a plurality of stereoscopic images in sequence, wherein each stereoscopic image comprises a frame period, and each frame period comprises a first sub-frame period, a second sub-frame time, a third sub-frame time, and a fourth sub-frame time; and generating a first sub-frame, a second sub-frame, a third sub-frame, and a fourth sub-frame through the display panel based on each stereoscopic image, and providing a first voltage signal, a second voltage signal, a third voltage signal, a fourth voltage signal, a reference voltage signal and a common voltage signal to the first electrode pattern, the second electrode pattern, the third electrode pattern, the fourth electrode pattern, the reference electrode and the common electrode respectively. ### Claim 12 (depends on 11) The display method of the stereoscopic display device according to claim 11, further comprising: displaying the first sub-frame in each first sub-frame time, wherein the first voltage signal and the common voltage signal have a common voltage, the reference voltage signal has a reference voltage, the third voltage signal has a first voltage, the second voltage signal has a second voltage, and the fourth voltage signal has a third voltage in each first sub-frame time; displaying the second sub-frame in each second sub-frame time, wherein the third voltage signal and the common voltage signal have the common voltage, the reference voltage signal has the reference voltage, the first voltage signal has a fourth voltage, the second voltage signal has the second voltage, and the fourth voltage signal has the third voltage in each second sub-frame time; displaying the third sub-frame in each third sub-frame time, wherein the second voltage signal and the common voltage signal have the common voltage, the reference voltage signal has the reference voltage, the first voltage signal has the fourth voltage, the third voltage signal has the first voltage, and the fourth voltage signal has the third voltage in each third sub-frame time; and displaying the fourth sub-frame in each fourth sub-frame time, wherein the fourth voltage signal and the common voltage signal have the common voltage, the reference voltage signal has the reference voltage, the first voltage signal has the fourth voltage, the third voltage signal has the first voltage, and the second voltage signal has the second voltage in each fourth sub-frame time. ### Claim 13 (depends on 12) The display method of the stereoscopic display device according to claim 12, wherein the reference voltage, the first voltage, the second voltage, the third voltage, and the fourth voltage are larger than the common voltage in the frame period of one of two of the stereoscopic images displayed continuously. ### Claim 14 (depends on 12) The display method of the stereoscopic display device according to claim 12, wherein the reference voltage, the first voltage, the second voltage, the third voltage, and the fourth voltage are less than the common voltage in the frame period of the other one of the two of the stereoscopic images displayed continuously. ### Claim 15 (depends on 12) The display method of the stereoscopic display device according to claim 12, wherein the reference voltage is the same as the first voltage, the second voltage, the third voltage, and the fourth voltage. ### Claim 16 (depends on 10) A display method of a stereoscopic display device, comprising: providing the stereoscopic display device according to claim 10 to display a plurality of stereoscopic images in sequence, wherein each stereoscopic image comprises a frame period, and each frame period comprises a first sub-frame time and a second sub-frame time; and generating a first sub-frame and a second sub-frame through the display panel based on each stereoscopic image, and providing a first voltage signal, a second voltage signal, a third voltage signal, a fourth voltage signal, a reference voltage signal and a common voltage signal to the first electrode pattern, the second electrode pattern, the third electrode pattern, the fourth electrode pattern, the reference electrode and the common electrode respectively. ### Claim 17 (depends on 16) The display method of the stereoscopic display device according to claim 16, further comprising: displaying the first sub-frame in each first sub-frame time, wherein the first voltage signal, the second voltage signal and the common voltage signal have a common voltage, the reference voltage signal has a reference voltage, the third voltage signal has a first voltage, and the fourth voltage signal has a second voltage in each first sub-frame time; and displaying the second sub-frame in each second sub-frame time, wherein the third voltage signal, the fourth voltage signal and the common voltage signal have the common voltage, the reference voltage signal has the reference voltage, the first voltage signal has a third voltage, and the second voltage signal has the fourth voltage in each second sub-frame time. ### Claim 18 (depends on 17) The display method of the stereoscopic display device according to claim 17, wherein the reference voltage, the first voltage, the second voltage, the third voltage, and the fourth voltage are larger than the common voltage in the frame period of one of two of the stereoscopic images displayed continuously. ### Claim 19 (depends on 17) The display method of the stereoscopic display device according to claim 17, wherein the reference voltage, the first voltage, the second voltage, the third voltage, and the fourth voltage are less than the common voltage in the frame period of the other one of the two of the stereoscopic images displayed continuously. ### Claim 20 (depends on 17) The display method of the stereoscopic display device according to claim 17, wherein the reference voltage is the same as the first voltage, the second voltage, the third voltage, and the fourth voltage.