1. A method of fabricating a liquid crystal display device having first and second substrates, comprising:
forming a black matrix having a plurality of open portions corresponding to pixel regions and a plurality of holes disposed adjacent to the plurality of open portions on the second substrate;
forming color filter layers on the black matrix;
forming an overcoat layer on the color filter layers and filling the holes; and
forming a plurality of patterned spacers on the overcoat layer and corresponding to the plurality of holes by using the black matrix and the color filter layers as a mask,
wherein forming the plurality of patterned spacers includes coating a photosensitive material on the second substrate and patterning the photosensitive material layer,
wherein patterning the photosensitive material layer includes exposing the photosensitive material layer using the black matrix and the color filter layers as a mask, and developing the exposed photosensitive material layer,
wherein exposing the photosensitive material layer includes irradiating light through an interference filter, the interference filter transmitting light within a specific wavelength range, and
wherein the specific wavelength range is a UV light range having about 313 nm as a central wavelength.
2. The method according to claim 1, further comprising forming a common electrode over the color filter layers prior to forming the plurality of patterned spacers.
3. The method according to claim 1, wherein the transmitted light only exposes portions of the photosensitive material layer that correspond to the plurality of holes of the black matrix.
4. The method according to claim 1, wherein the transmitted light is directly irradiated through the back of the second substrate without interposing a mask.
5. The method according to claim 1, wherein the photosensitive material includes one of a black resin and an epoxy resin.
6. The method according to claim 1, wherein the photosensitive material for forming the patterned spacers includes a black pigment material.
7. The method according to claim 1, wherein a thickness range of the photosensitive material layer for forming the patterned spacers is within 2 \u03bcm to 8 \u03bcm.
8. The method according to claim 1, wherein the black matrix has a matrix configuration, and the plurality of open portions are spaced apart from each other.
9. The method according to claim 8, wherein the plurality of holes are located substantially along a transverse direction.
10. The method according to claim 8, wherein the plurality of holes are located substantially along a columnar direction.
11. The method according to claim 1, wherein the plurality of holes in the black matrix have one of a square shape and a circular shape.
12. The method according to claim 1, wherein the step of forming the plurality of patterned spacers includes:
coating a photosensitive material over the black matrix;
photoexposing the photosensitive material through the holes of the black matrix; and
removing non-photoexposed portions of the photosensitive material.
13. The method according to claim 12, further comprising a step of forming an overcoat layer on the black matrix, wherein the photosensitive material in the step of forming the plurality of patterned spacers is formed on the overcoat layer.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. A method of manufacturing an organic EL display comprising the steps of:
providing an organic EL substrate that comprises one or more organic EL laminates;
providing a sealing glass substrate, the sealing glass substrate being formed of a glass plate and comprising recesses each opposing respective one of the one or more organic EL laminates, adhesion regions each surrounding a respective one of the recesses, and adhesion escape grooves each surrounding a respective one of the adhesion regions;
applying an adhesive on the adhesion regions of the sealing glass substrate;
laminating the organic EL substrate and the sealing glass substrate;
cutting the sealing glass substrate at a position outside an inner periphery of the adhesive escape groove and within a distance equal to a thickness of the sealing glass substrate minus a depth of the adhesive escape grooves from the inner periphery of the adhesive escape grooves; and
cutting the organic EL substrate at a position outside the inner periphery of the adhesive escape groove.
2. The method of manufacturing an organic EL display according to claim 1, wherein the recesses and the adhesion escape grooves of the sealing glass substrate have a substantially equal depth.
3. The method of manufacturing an organic EL display according to claim 1, wherein vertexes of the inner periphery of the adhesive escape grooves are right angle vertexes, and vertexes of an outer periphery of the adhesive escape grooves are rounded.
4. The method of manufacturing an organic EL display according to claim 1, wherein a width of the adhesion regions is in a range of 1 to 5 mm and the depth of the adhesive escape grooves is in a range of 100 to 600 \u03bcm.
5. The method of manufacturing an organic EL display according to claim 1, wherein a width of the adhesive escape grooves is in a range of 0.5 to 2 mm.
6. The method of manufacturing an organic EL display according to claim 1, wherein an applied volume of the adhesive per unit application length is at least a product of a width of the adhesion regions and an adhesion thickness and at most a product of a width of the adhesion regions and an adhesion thickness plus a product of a width of the adhesive escape grooves and a depth of the adhesive escape grooves.
7. The method of manufacturing an organic EL display according to claim 1, wherein an adhesion thickness is in a range of 1 to 30 \u03bcm.
8. A method of manufacturing an organic EL display comprising steps of:
providing an organic EL substrate that comprises one or more organic EL laminates;
providing a sealing glass substrate, the sealing glass substrate being formed of a glass plate and comprising adhesion regions each disposed corresponding to a periphery of a respective one of the one or more organic EL laminates, first adhesion escape grooves each disposed inside a respective one of the adhesion regions, and second adhesion escape grooves each disposed outside a respective one of the adhesion regions;
applying an adhesive on the adhesion regions of the sealing glass substrate;
laminating the organic EL substrate and the sealing glass substrate;
cutting the sealing glass substrate for organic EL at a position outside an inner periphery of the second adhesive escape grooves and within a distance equal to a thickness of the sealing glass substrate minus a depth of the adhesive escape grooves from the inner periphery of the second adhesive escape grooves; and
cutting the organic EL substrate at a position outside the inner periphery of the second adhesive escape grooves.
9. The method of manufacturing an organic EL display according to claim 8, wherein vertexes of an inner periphery of the first adhesive escape grooves and vertexes of the inner periphery of the second adhesive escape grooves are right angle vertexes, and vertexes of an outer periphery of the first and second adhesive escape grooves are rounded.
10. The method of manufacturing an organic EL display according to claim 8, wherein a width of the adhesion regions is in a range of 1 to 5 mm and the depth of the adhesive escape grooves is in a range of 100 to 600 \u03bcm.
11. The method of manufacturing an organic EL display according to claim 8, wherein a width of the first and second adhesive escape grooves is in a range of 0.5 to 2 mm.
12. The method of manufacturing an organic EL display according to claim 8, wherein the sealing glass substrate further comprises recesses each opposing a respective one of the one or more organic EL laminates and being distinct from the first adhesive escape grooves.
13. The method of manufacturing an organic EL display according to claim 8, wherein an applied volume of the adhesive per unit application length is at least a product of a width of the adhesion regions and an adhesion thickness and at most the product of the width of the adhesion regions and the adhesion thickness plus a product of a width of the second adhesive escape grooves and the depth of the adhesive escape grooves.
14. The method of manufacturing an organic EL display according to claim 8, wherein an adhesion thickness is in a range of 1 to 30 \u03bcm.