Display device and method and apparatus for manufacturing display device
A technology for a display device and a manufacturing method, which can be applied to lighting devices, semiconductor/solid-state device manufacturing, and discharge tube fluorescent screens, etc., can solve problems such as insufficient luminous brightness and accelerated degradation of organic layers.
Inactive Publication Date: 2005-07-13
SANYO ELECTRIC CO LTD
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Problems solved by technology
[0004] However, the luminous brightness of the organic EL components proposed today is still insufficient. In addition, increasing the current injected into the organic layer in order to improve the luminous brightness has the problem of accelerating the deterioration of the organic layer.
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[0032] DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS A preferred embodiment for carrying out the present invention will be described below with reference to the accompanying drawings.
[0033] figure 1 A schematic cross-sectional structure of a display device constructed of a micro-resonator according to an embodiment of the present invention. The display device is a light-emitting display device having a self-luminous display component in each pixel, and an organic EL display device using an organic EL component as a display component is taken as an example for description below.
[0034] The organic EL element 100 has a laminated structure of an organic light-emitting element layer 120 containing at least an organic compound, especially an organic light-emitting material, between the first electrode 200 and the second electrode 240, and uses the principle of injecting holes from the anode The organic layer injects electrons into the organic layer from the cathode, recom...
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The present invention can easily and accurately form a micro-resonator structure. The display device of the present invention has a plurality of pixels, and performs color display by emitting light of two or more wavelengths, and each pixel has a micro-resonator structure, and the micro-resonator structure is formed by: a lower reflection film (110) formed on the substrate side; And between the top of the lower reflection film (110) and the upper reflection film (240) formed by sandwiching the organic light-emitting component layer (120) between the lower reflection films. The lower reflective film (110) is made of metal thin film, and has a conductive resonant spacer layer functioning as the first electrode (200) between the organic light-emitting component layer (120). The conductive resonant spacer layer is a transparent conductive metal oxide layer such as ITO, and the pixels with different emission wavelengths formed in different film forming chambers have different thicknesses from each other. The light obtained in the organic light-emitting component layer (120) is enhanced by the micro-resonator structure whose optical length is adjusted through the conductive resonant spacer layer, and emitted to the outside.
Description
technical field [0001] The present invention relates to a display device, and more particularly to a color display device having a micro-resonator structure. Background technique [0002] In recent years, flat panel displays (FPDs) that can be thinned and miniaturized have attracted attention, and liquid crystal display devices, the most representative of FPDs, have been used in various electronic devices. At present, for light-emitting devices (display devices or light sources) using self-luminous electroluminescent (hereinafter referred to as EL) components, especially organic EL display devices that use organic compound materials and can emit light with various light colors and high brightness No expense was spared in development. [0003] This organic EL display device is different from a liquid crystal display device in which the light transmittance of the backlight is controlled by a liquid crystal panel disposed on the front as a light valve. It has high light utili...
Claims
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IPC IPC(8): H01L51/50H01J1/62H01J63/04H01L27/32H01L51/52H05B33/02H05B33/10H05B33/12H05B33/14H05B33/22H05B33/24H05B33/28
CPCH10K59/35H10K59/38H10K59/12H10K59/876H05B33/24H05B33/10H10K50/852
Inventor 铃木浩司
Owner SANYO ELECTRIC CO LTD