Industrial Technology Research Institute

Fu-Kang Cheng

Yuh-Zheng Lee

Je-Ping Hu

Chao-Kai Cheng

Ching-Ian Chao

Wan-Wen Chiu

Jhih-Ping Lu

Kuo-Tong Lin

Hsuan-Ming Tsai

A method of fabricating a color organic electroluminescent display involves forming cathode electrodes on a substrate, and forming a first organic semiconductor layer having an electron-injection transporting property on the cathode electrodes. Solutions containing organic light-emitting material that can dissolve portions of the first organic semiconductor layer are patterned on the first organic semiconductor layer. Then, a solvent in the solutions is removed to form regions having second organic semiconductor layers and mixed organic semiconductor layers, wherein the second organic semiconductor layers are formed on the first organic semiconductor layer and are mostly composed of the organic light-emitting material, and the mixed organic semiconductor layers, composed of the organic light-emitting material and material constituting the first organic semiconductor layer, are embedded in the first organic semiconductor layer. Anode electrodes are formed over the first and second organic semiconductor layers. The present invention also provides a color organic electroluminescent display.

Color organic electroluminescent display and method for fabricating the same

A method of fabricating an active array color filter structure utilizes the difference between the surface properties of lipophilicity and lipophobicity. When inks are coated on an active array substrate, ink at the lipophobic areas on the active array substrate will be repelled naturally, so that the color filter pixels formed on the active array substrate naturally have contact vias, which facilitates the electrical coupling of pixel electrodes and switch elements. Since there is no aligning or laminating process required for the color filter substrate and the active array substrate during fabrication, no aligning errors will occur. Also, because the pixel electrode can extend to cover over the corresponding switch element, aggravation of the switch element is reduced.

Method of fabricating an active array color filter structure for a liquid crystal display

Growing community of inventors

Hsinchu Hsien, Taiwan

Fu-Kang Cheng