Invention Grant
- Patent Title: Method for recovering pixel clocks based on internal display port interface and display device using the same
- Patent Title (中): 基于内部显示端口接口和显示设备恢复像素时钟的方法
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Application No.: US13157950Application Date: 2011-06-10
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Publication No.: US08400567B2Publication Date: 2013-03-19
- Inventor: Chongho Lee , Sunghoon Kim , Sungwon Kim , Dongwon Park
- Applicant: Chongho Lee , Sunghoon Kim , Sungwon Kim , Dongwon Park
- Applicant Address: KR Seoul
- Assignee: LG Display Co., Ltd.
- Current Assignee: LG Display Co., Ltd.
- Current Assignee Address: KR Seoul
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: KR10-2010-0057926 20100618
- Main IPC: H03L7/00
- IPC: H03L7/00
Abstract:
A method for recovering pixel clocks based on an iDP interface includes selecting a prime factor closest to VA or HA from prime factors of X, and selecting a value obtained by subtracting VA from the selected prime factor, as VB, in Mvid = ( HA + HB ) × ( VA + VB ) X , where HA indicates a horizontal active period, HB indicates a horizontal blank interval, VA indicates a vertical active period, and VB indicates a vertical blank interval, fixing the selected VB value, and selecting a total of HB within one frame period and the number of lanes under a condition that Mvid has an integer value, and recovering pixel clocks by multiplying a frequency of link symbol clocks of data received via the lanes by a multiplication of Mvid/48.
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