Optical writing head such as organic EL array exposure head,...

Details Optical writing head such as organic EL array exposure head,... Optical writing head such as organic EL array exposure head,...

2006-07-25

2006-07-25

Pham, Hai (Department: 2861)

Incremental printing of symbolic information

Light or beam marking apparatus or processes

Scan of light

C347S258000

Reexamination Certificate

active

07081912

ABSTRACT:
The present invention relates to a small optical writing head, such as an organic EL array exposure head, having long work distance with little crosstalk, a method of manufacturing the same, and an image forming apparatus using the same. The optical writing head is an optical writing head which projects fluxes of modulated light from light-emitting parts2of a light-emitting element array such as an organic EL array or fluxes of modulated light transmitted through shutter parts2of an optical shutter element array onto an image carrier11to form a predetermined pattern on the image carrier11. The optical writing head comprises ball lenses10which are arranged such that the alignment of the ball lenses10corresponds to the alignment of the light-emitting parts2of the light-emitting element array or the shutter parts2of the optical shutter element array.

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