# US 8,786,522 B2 · Display device and driving method thereof > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 8,786,522 B2 - Document ID: US8786522B2 - Status: Granted - Kind: B2 - Application number: 13/004,951 - Filed: 2011-01-12 - Published: 2011-12-01 - Granted: 2014-07-22 - Earliest claimed: 2010-05-25 - Assignees: Samsung Display Co., Ltd. - Applicants: Do-Ik Kim - Inventors: Do-Ik Kim - Web page: https://patentgrep.com/patent/US8786522B2 ## Abstract A display device includes a scan driver transmitting a plurality of scan signals to a plurality of scan lines, a data driver transmitting a plurality of data signals to a plurality of data lines, a display unit including a plurality of pixels connected to corresponding scan lines and corresponding data lines, and respectively receiving the corresponding data signal when the plurality of pixels are selected with the corresponding scan signal, and a timing controller controlling the scan driver and the data driver, dividing one frame period into a first viewpoint image display period, a second viewpoint image display period, and a black image display period, and generating image data signals corresponding to the first viewpoint image display period, the second viewpoint image display period, and the black image display period, and supplying the respective image data signals to the data driver, wherein the black image display period is shorter than the first viewpoint image display period and the second viewpoint image display period, and the image data signal corresponding to the black image display period is a black image data signal controlling the plurality of pixels not to emit light. ## Claims ### Claim 1 A display device comprising: a scan driver for transmitting a plurality of scan signals to a plurality of scan lines; a data driver for transmitting a plurality of data signals to a plurality of data lines; a display unit including a plurality of pixels connected to corresponding scan lines among the plurality of scan lines and corresponding data lines among the plurality of data lines, and respectively for receiving corresponding data signals among the plurality of data signals when the plurality of pixels are selected with corresponding scan signals among the plurality of scan signals; and a timing controller for controlling the scan driver and the data driver, dividing one frame period into a first viewpoint image display period comprising at least two first sub-frames having different emitting times, a second viewpoint image display period comprising at least two second sub-frames having different emitting times, and a black image display period comprising at least one black sub-frame, generating first viewpoint image data signals corresponding to the first viewpoint image display period, second viewpoint image data signals corresponding to the second viewpoint image display period, and a black image data signal corresponding to the black image display period, and supplying the first viewpoint image data signals, the second viewpoint image data signals, and the black image data signal to the data driver, wherein the black image display period is shorter than the first viewpoint image display period and the second viewpoint image display period, and a black data signal of the plurality of data signals corresponds to the black image data signal and causes the plurality of pixels to not emit light. ### Claim 2 (depends on 1) The display device of claim 1, wherein the first viewpoint image data signals and the second viewpoint image data signals are left eye image data signals and right eye image data signals, respectively. ### Claim 3 (depends on 1) The display device of claim 1, wherein the data driver is further configured to receive the first viewpoint image data signals to generate a plurality of first viewpoint data signals of the plurality of data signals, the second viewpoint image data signals to generate a plurality of second viewpoint data signals of the plurality of data signals, and the black image data signal to generate the black data signal. ### Claim 4 (depends on 3) The display device of claim 3, wherein the scan driver is further configured to transmit first scan signals of the plurality of scan signals corresponding to the at least two first sub-frames to the plurality of scan lines, and the data driver is further configured to supply the plurality of first viewpoint data signals to the plurality of data lines when the first scan signals are transmitted to the plurality of scan lines. ### Claim 5 (depends on 3) The display device of claim 3, wherein the scan driver is further configured to transmit second scan signals of the plurality of scan signals corresponding to the at least two second sub-frames to the plurality of scan lines, and the data driver is further configured to supply the plurality of second viewpoint data signals to the plurality of data lines when the second scan signals are transmitted to the plurality of scan lines. ### Claim 6 (depends on 3) The display device of claim 3, wherein the at least one black sub-frame includes a plurality of black sub-frames, the scan driver is further configured to transmit black scan signals of the plurality of scan signals corresponding to the plurality of black sub-frames to the plurality of scan lines, and the data driver is further configured to supply the black data signal to the plurality of data lines when the black scan signals are transmitted to the plurality of scan lines. ### Claim 7 (depends on 1) The display device of claim 1, wherein the timing controller is further configured to supply the first viewpoint image data signals during the at least two first sub-frames arranged in a first sequence, and to supply the second viewpoint image data signals during the at least two second sub-frames arranged in a second sequence, and the first sequence is the same as the second sequence. ### Claim 8 (depends on 7) The display device of claim 7, wherein the at least two first sub-frames and the at least two second sub-frames each include at least one blank sub-frame where the data driver is further configured to supply the black data signal to the plurality of data lines. ### Claim 9 (depends on 7) The display device of claim 7, wherein the at least one black sub-frame comprises at least two black sub-frames, the timing controller is further configured to supply the black image data signal during the at least two black sub-frames, and an arrangement of the at least two black sub-frames is the same as an arrangement of a subset of the at least two first sub-frames and the at least two second sub-frames. ### Claim 10 (depends on 9) The display device of claim 9, wherein the black image display period is longer than a longest sub-frame among the at least two first sub-frames and the at least two second sub-frames. ### Claim 11 (depends on 9) The display device of claim 9, wherein the arrangement of the at least two black sub-frames frames is the same as an initial arrangement of the at least two first sub-frames and the at least two second sub-frames. ### Claim 12 (depends on 1) The display device of claim 1, wherein the black image display period starts where each of the first viewpoint image display period and the second viewpoint image display period finish. ### Claim 13 A method of driving a display device in which a plurality of pixels are included, wherein one frame period is divided into a first viewpoint image display period, a second viewpoint image display period, and a black image display period, the first viewpoint image display period including a plurality of first sub-frames having different emitting times, the second viewpoint image display period including a plurality of second sub-frames having different emitting times, and the black image display period including a plurality of black sub-frames, the method comprising: generating and supplying first viewpoint image data signals, second viewpoint image data signals, and a black image data signal respectively corresponding to the first viewpoint image display period, the second viewpoint image display period, and the black image display period; emitting light from the plurality of pixels during the plurality of first sub-frames according to the first viewpoint image data signals; not emitting light from the plurality of pixels during the plurality of black sub-frames according to the black image data signal; and emitting light from the plurality of pixels during the plurality of second sub-frames according to the second viewpoint image data signals, wherein the black image display period is shorter than the first viewpoint image display period and the second viewpoint image display period. ### Claim 14 (depends on 13) The method of claim 13, wherein the first viewpoint image data signals and the second viewpoint image data signals are left eye image data signals and right eye image data signals, respectively. ### Claim 15 (depends on 13) The method of claim 13, wherein the black image data signal is for causing the plurality of pixels to not emit light. ### Claim 16 (depends on 13) The method of claim 13, wherein the generating and the supplying of the first viewpoint image data signals, the second viewpoint image data signals, and the black image data signal comprises: generating, by a timing controller of the display device, the first viewpoint image data signals, the second viewpoint image data signals, and the black image data signal, and supplying, by the timing controller, the first viewpoint image data signals, the second viewpoint image data signals, and the black image data signal to a data driver of the display device; and receiving, by the data driver, the first viewpoint image data signals to generate a plurality of first viewpoint data signals, the second viewpoint image data signals to generate a plurality of second viewpoint data signals, and the black image data signal to generate a black data signal. ### Claim 17 (depends on 16) The method of claim 16, further comprising supplying, by the data driver, the plurality of first viewpoint data signals to a plurality of data lines connected to the data driver while transmitting, from a scan driver of the display device, scan signals corresponding to the plurality of first sub-frames to a plurality of scan lines. ### Claim 18 (depends on 16) The method of claim 16, further comprising supplying, by the data driver, the plurality of second viewpoint data signals to a plurality of data lines connected to the data driver while transmitting, from a scan driver of the display device, scan signals corresponding to the plurality of second sub-frames to a plurality of scan lines. ### Claim 19 (depends on 16) The method of claim 16, further comprising supplying, by the data driver, the black data signal to a plurality of data lines connected to the data driver while transmitting, from a scan driver of the display device, scan signals corresponding to the plurality of black sub-frames to a plurality of scan lines. ### Claim 20 (depends on 13) The method of claim 13, further comprising transmitting a plurality of first scan signals corresponding to the plurality of first sub-frames in the same sequence as transmitting a plurality of second scan signals corresponding to the plurality of second sub-frames. ### Claim 21 (depends on 20) The method of claim 20, further comprising supplying, by a data driver of the display device, a black data signal for causing the plurality of pixels to not emit light during at least one blank sub-frame of the plurality of first sub-frames and of the plurality of second sub-frames. ### Claim 22 (depends on 20) The method of claim 20, further comprising transmitting a plurality of black scan signals corresponding to the plurality of black sub-frames in the same arrangement as transmitting a subset of the plurality of first scan signals and the plurality of second scan signals. ### Claim 23 (depends on 20) The method of claim 20, further comprising transmitting a plurality of black scan signals corresponding to the plurality of black sub-frames in the same arrangement as an initial arrangement of transmitting the plurality of first scan signals and the plurality of second scan signals. ### Claim 24 (depends on 20) The method of claim 20, wherein the black image display period is longer than a longest sub-frame among the plurality of first sub-frames and the plurality of second sub-frames. ### Claim 25 A display device comprising: a display unit including a plurality of pixels connected to scan lines and data lines; a scan driver for supplying scan signals to the scan lines and driving the scan lines; a data driver for supplying data signals to the data lines and driving the data lines; and a timing controller for controlling the scan driver and the data driver, and generating a black image data signal corresponding to a black image display period comprising at least one black sub-frame when a first viewpoint image display period comprising at least two first sub-frames having different emitting times and a second viewpoint image display period comprising at least two second sub-frames having different emitting times are completed, wherein the black image data signal is for controlling the data driver to transmit a black data signal for causing the pixels to not emit light, and wherein the black image display period is shorter than the first viewpoint image display period and the second viewpoint image display period. ### Claim 26 (depends on 25) The display device of claim 25, wherein the timing controller is further configured to generate left eye image data signals corresponding to the first viewpoint image display period and right eye image data signals corresponding to the second viewpoint image display period. ### Claim 27 (depends on 25) The display device of claim 25, wherein the data driver is further configured to receive first viewpoint image data signals corresponding to the first viewpoint image display period to generate a plurality of first viewpoint data signals, second viewpoint image data signals corresponding to the second viewpoint image display period to generate a plurality of second viewpoint data signals, and the black image data signal to generate the black data signal.