Viewing-angle controllable color filter substrate, liquid crystal display having the same, and manufacturing method thereof
AssigneeLG Display Co., Ltd.
InventorSang Ho Choi
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Abstract
A viewing-angle controllable color filter substrate includes: a display layer includes a plurality of openings separated from each other, shading regions disposed between openings that displays images; and a viewing angle control layer with an electrochromic pattern. A manufacturing method of a liquid crystal display includes: forming a display layer on an upper substrate and a viewing angle control layer including an electrochromic pattern; forming on a lower substrate a plurality of pixel regions arranged in a matrix; and forming a liquid crystal layer.
Claims23
A color filter substrate, comprising:
- a display layer includes a plurality of openings separated from each other, shading regions disposed between the openings that displays images, color filters in the openings, and a black matrix in the shading regions;
- and
- a viewing angle control layer with an electrochromic pattern that adjusts the transmission/interception of light incident from wide viewing angles depending on a magnitude of a voltage applied to the electrochromic pattern, wherein the viewing angle control layer includes:
- a first transparent electrode and a second transparent electrode spaced apart from each other so as to have a predetermined gap in a vertical direction;
- the electrochromic pattern on the first transparent electrode, whose transmissivity changes according to an electric field formed between the first and second transparent electrodes;
- and
- an electrolyte with ions involved in an electrochromic reaction of the electrochromic pattern that fills the space between the first transparent electrode and the second transparent electrode.
A liquid crystal display, comprising:
- an upper substrate having a display layer that displays images and a viewing angle control layer whose transmissivity changes depending on the magnitude of a voltage applied thereto that adjusts the transmission/interception of light incident from wide viewing angles;
- a lower substrate facing the upper substrate having a plurality of pixel regions arranged in a matrix;
- and
- a liquid crystal layer between the upper substrate and the lower substrate, wherein the viewing angle control layer includes:
- a first transparent electrode and a second transparent electrode spaced apart from each other so as to have a predetermined gap in a vertical direction;
- an electrochromic pattern formed on the first transparent electrode, whose transmissivity changes according to an electric field formed between the first and second transparent electrodes;
- and
- an electrolyte with ions involved in an electrochromic reaction of the electrochromic pattern that fills the space between the first transparent electrode and the second transparent electrode.
A manufacturing method of a liquid crystal display, comprising steps of:
- a) forming a display layer on an upper substrate that displays images and a viewing angle control layer whose transmissivity changes depending on the magnitude of a voltage applied thereto that adjusts the transmission/interception of light incident from wide viewing angles, wherein the viewing angle control layer is formed so as to include a first transparent electrode and a second transparent electrode spaced apart from each other with a gap in a vertical direction and an electrochromic pattern and an electrolyte between the first and second transparent electrodes;
- b) forming on a lower substrate a plurality of pixel regions arranged in a matrix;
- and
- c) forming a liquid crystal layer between the upper substrate and the lower substrate, and assembly of the upper substrate and the lower substrate.
Dependencies are inferred from the claim text.