# US 7,609,238 B2 · Dual-scan circuit for driving an OLED display device > Agents: this data is available as JSON from the patentgrep API and MCP server — see https://patentgrep.com/llms.txt - Number: US 7,609,238 B2 - Document ID: US7609238B2 - Status: Granted - Kind: B2 - Application number: 11/425,628 - Filed: 2006-06-21 - Published: 2007-12-27 - Granted: 2009-10-27 - Earliest claimed: 2006-06-21 - Assignees: Himax Technologies Limited - Inventors: Chin-Tien Chang - Web page: https://patentgrep.com/patent/US7609238B2 ## CPC - G09G 3/3216: using a passive matrix - G09G 2310/0221: with use of split matrices (G09G3/3644 and G09G3/3666 take precedence) - G09G 2310/0278: Details of driving circuits arranged to drive both scan and data electrodes - 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 A luminescent display device is disclosed. The luminescent display device is comprised of an array of pixels, a first driving chip and a second driving chip. The array of pixels is comprised of columns and rows of pixels. The first driving chip is connected a first pixel of the array of pixels, and the second driving chip is connected to a second pixel of the array of pixels. The second pixel is adjacent to the first pixel. The first driving chip is not connected to all pixels in a row of the at least one row of pixels. ## Claims ### Claim 1 A luminescent display device comprising: an array of pixels, wherein said array of pixels is comprised of at least one column of pixels and at least one row of pixels, each pixel including a light-emitting diode; a first driving chip, wherein said first driving chip is connected to a first pixel of said array of pixels; and a second driving chip, wherein said second driving chip is connected to a second pixel of said array of pixels, wherein said second pixel is adjacent to said first pixel, and said first pixel and said second pixel are located in a same column; wherein said first driving chip is not connected to all pixels in said at least one row of pixels. ### Claim 2 (depends on 1) The luminescent display device of claim 1, wherein said luminescent display device is a passive OLED panel. ### Claim 3 (depends on 1) The luminescent display device of claim 1, wherein said luminescent display device is an active OLED panel. ### Claim 4 A luminescent display device, comprising: an array of pixels, wherein said array of pixels is comprised of at least two column of pixels and at least two row of pixels; a first driving chip, wherein said first driving chip is connected to first and second pixels of said array of pixels; and a second driving chip, where said second driving chip is connected to third and fourth pixels of said array of pixels; wherein: said first pixel is adjacent to said second pixel; said third pixel is adjacent to said fourth pixel; said second pixel is adjacent to said third pixel; said second pixel is between said first pixel and said third pixel; and said first driving chip is not connected to all pixels in at least one of said at least two rows of pixels. ### Claim 5 (depends on 4) The luminescent display device of claim 4, wherein said first, second, third and fourth pixels are located in a same column. ### Claim 6 (depends on 4) The luminescent display device of claim 4, wherein said first, second, third and fourth pixels are located in a same row. ### Claim 7 (depends on 4) The luminescent display device of claim 4, wherein said luminescent display device is a passive OLED panel. ### Claim 8 (depends on 4) The luminescent display device of claim 4, wherein said luminescent display device is an active OLED panel. ### Claim 9 (depends on 4) The luminescent display device of claim 4, wherein said luminescent display device is an LED panel. ### Claim 10 A luminescent display device, comprising: an array of pixels, wherein said array of pixels is comprised of at least two columns of pixels and at least two rows of pixels; a first driving chip, wherein said first driving chip is connected to first, second, third and fourth pixels of said array of pixels; and a second driving chip, where said second driving chip is connected to fifth, sixth, seventh and eighth pixels of said array of pixels; wherein: said first pixel is adjacent to said second pixel; said fifth pixel is adjacent to said sixth pixel; said second pixel is adjacent to said fifth pixel; said second pixel is between said first pixel and said fifth pixel; said third pixel is adjacent to said fourth pixel; said seventh pixel is adjacent to said eighth pixel; said fourth pixel is adjacent to said seventh pixel; said fourth pixel is between said third pixel and said seventh pixel; and said first driving chip is not connected to all pixels in at least one of said at least two rows of pixels. ### Claim 11 (depends on 10) The luminescent display device of claim 10, wherein said first, second, fifth and sixth pixels are located in a same column. ### Claim 12 (depends on 10) The luminescent display device of claim 10, wherein said first, second, fifth and sixth pixels are located in a same row. ### Claim 13 (depends on 10) The luminescent display device of claim 10, wherein said third, fourth, seventh and eighth pixels are located in a same column. ### Claim 14 (depends on 10) The luminescent display device of claim 10, wherein said third, fourth, seventh, and eighth pixels are located in a same row. ### Claim 15 (depends on 10) The luminescent display device of claim 10, wherein said luminescent display device is a passive OLED panel. ### Claim 16 (depends on 10) The luminescent display device of claim 10, wherein said luminescent display device is an active OLED panel. ### Claim 17 (depends on 10) The luminescent display device of claim 10, wherein said luminescent display device is an LED panel.