Organic Electroluminescence display device
AssigneeHitachi Displays, Ltd.
InventorsNoriharu Matsudate, Takeshi Ookawara
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Abstract
Provided is an organic electroluminescence display device, in which when center deviations in film formation of organic electroluminescence layers in an arrangement direction of a sub-pixel aperture corresponding to a red light, a sub-pixel aperture corresponding to a green light, and a sub-pixel aperture corresponding to a blue light are denoted by LER(X), LEG(X), and LEB(X) and the center deviations in the film formation of the organic electroluminescence layers in a direction perpendicular to the arrangement direction are denoted by LER(Y), LEG(Y), and LEB(Y), any one of the following formulae is satisfied: LEG(X)≦LEB(X); LEG(X)≦LER(X); LEG(Y)≦LEB(Y); and LEG(Y)≦LER(Y).
Claims9
An organic electroluminescence display device including a display panel on which pixels including a plurality of organic electroluminescence elements are arranged in a matrix on an active substrate, wherein:
- each of the plurality of organic electroluminescence elements comprises:
- one electrode provided on the active substrate for each unit color pixel including a plurality of sub-pixels to form a sub-pixel aperture;
- an organic electroluminescence layer formed on the one electrode;
- and
- another electrode formed to cover the organic electroluminescence layer;
- an emission color of the organic electroluminescence layer formed on the sub-pixel aperture is any one of red, green, or blue;
- and
- a center of the sub-pixel aperture located at an arbitrary position on the display panel corresponds to a center of the organic electroluminescence layer formed thereon, and a center deviation of a film formation of the organic electroluminescence layer on the sub-pixel aperture corresponding to the green is made smaller than the center deviation of the film formation of the organic electroluminescence layer on the sub-pixel aperture corresponding to the red and the center deviation of the film formation of the organic electroluminescence layer on the sub-pixel aperture corresponding to the blue.
Dependencies are inferred from the claim text.