- Patent Title: Clock distribution techniques for micro-driver LED display panels
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Application No.: US15275173Application Date: 2016-09-23
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Publication No.: US10997899B1Publication Date: 2021-05-04
- Inventor: Hopil Bae , Mahdi Farrokh Baroughi , Mohammad B. Vahid Far
- Applicant: Apple Inc.
- Applicant Address: US CA Cupertino
- Assignee: Apple Inc.
- Current Assignee: Apple Inc.
- Current Assignee Address: US CA Cupertino
- Agency: Fletcher Yoder, P.C.
- Main IPC: G09G3/32
- IPC: G09G3/32 ; G09G3/20

Abstract:
An electronic display includes emission clock routing without the use of repeaters. This may be accomplished by providing row drivers for each emission clock signal on opposing edges of the display panel, so that each set of row drivers may provide the emission clock signal to only a portion of the micro-drivers in each row. The array of micro-drivers may be further segmented (e.g., into four or more sections, an alternating pattern, uneven sections, etc.) to provide similar advantages. Furthermore, rather than using multiplexors to provide the emission clock signals to the row drivers, the emission clock may be hardwired to the row drivers. This may reduce the number of pins and support the provision of more phases.
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