Liquid crystal display and manufacturing method of same
First Claim
Patent Images
1. A liquid crystal panel comprising:
- a pair of substrates disposed opposite to each other;
a plurality of spacers formed from a positive type photosensitive resin so as to join with both of said pair of substrates for maintaining the gap between said pair of substrates uniform and constant; and
liquid crystal sealed between said pair of substrates.
1 Assignment
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Accused Products
Abstract
A liquid crystal display which has spacers reliably joined with a pair of substrates of the liquid crystal display by using spacers adapted to the purpose with respect to material, structure, method of joining with the substrates, etc. A pair of substrates can be reliably joined with spacers, and the strength of the liquid crystal display against an external pressure as well as display characteristics can be thereby improved. A manufacturing methods for such a liquid crystal display is also disclosed.
57 Citations
120 Claims
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1. A liquid crystal panel comprising:
- a pair of substrates disposed opposite to each other;
a plurality of spacers formed from a positive type photosensitive resin so as to join with both of said pair of substrates for maintaining the gap between said pair of substrates uniform and constant; and
liquid crystal sealed between said pair of substrates. - View Dependent Claims (2, 3, 4)
- a pair of substrates disposed opposite to each other;
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5. A manufacturing method of liquid crystal panel comprising the steps of:
- providing a first substrate and a second substrate;
applying a positive type photosensitive resin to said first substrate to form a photosensitive resin film thereon;
exposing said photosensitive resin film to light and subjecting same to development processing to form the spacers;
re-exposing said spacers to light;
joining said first substrate with said second substrate via a sealant and said spacers; and
sealing liquid crystal in the space surrounded by said sealant, said first substrate and said second substrate. - View Dependent Claims (6, 7, 8, 9, 10)
- providing a first substrate and a second substrate;
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11. A liquid crystal display comprising:
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a pair of substrates;
liquid crystal sealed between said substrates;
a sealant for sealing outer periphery of said substrates; and
a multiplicity of spacers disposed between said substrates for maintaining the substrate gap;
wherein said spacer is adhered to said substrates at both ends and consists of a plurality of resin layers of different elastic moduli. - View Dependent Claims (12, 13, 14, 15, 16, 17, 18, 19)
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20. A liquid crystal display comprising:
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a pair of substrates;
liquid crystal sealed between said substrates;
a sealant for sealing an outer periphery of said substrates; and
a multiplicity of spacers disposed between said substrates for maintaining the substrate gap;
wherein said spacer is adhered to said substrates at both ends and have Young'"'"'s modulus in the range of 5×
10−
3MPa −
1 MPa.
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21. A liquid crystal display comprising:
- a pair of substrates of which at least one is transparent and each has electrodes and an orientation film formed on one surface thereof and which are opposed with these surfaces having electrodes and an orientation film formed thereon facing each other;
spacers disposed between these opposed surfaces; and
liquid crystal sealed between the substrates with the periphery of the opposed substrates being sealed;
wherein said spacers are formed from a photosensitive resin and each of said substrates is adhered to the spacers which are hardened after superimposition of the substrates. - View Dependent Claims (22, 23, 24, 25, 26, 27, 28, 29, 30)
- a pair of substrates of which at least one is transparent and each has electrodes and an orientation film formed on one surface thereof and which are opposed with these surfaces having electrodes and an orientation film formed thereon facing each other;
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31. A liquid crystal display comprising:
- a pair of substrates of which at least one is transparent and each has electrodes and an orientation film formed on one surface thereof and which are opposed with these surfaces having electrodes and an orientation film formed thereon facing each other;
spacers disposed between these opposed substrates; and
liquid crystal sealed between the substrates with the periphery of the opposed substrates being sealed;
wherein one substrate is joined with said spacers via an adhesive. - View Dependent Claims (32, 33, 34, 35, 36, 37, 38, 39, 40)
- a pair of substrates of which at least one is transparent and each has electrodes and an orientation film formed on one surface thereof and which are opposed with these surfaces having electrodes and an orientation film formed thereon facing each other;
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41. A liquid crystal display comprising:
- a pair of substrates of which at least one is transparent and each has electrodes and an orientation film formed on one surface thereof and which are opposed with these surfaces having electrodes and an orientation film formed thereon facing each other;
spacers disposed between these opposed surfaces; and
liquid crystal sealed between the substrates with the periphery of the opposed substrates being sealed;
wherein said spacers are formed from a photosensitive material that permits both positive type and negative type patterning, and wherein a part of the spacers are adhered to both substrates and the rest are adhered to only one of the substrates. - View Dependent Claims (42, 43, 44, 45, 46, 47, 48, 49, 50)
- a pair of substrates of which at least one is transparent and each has electrodes and an orientation film formed on one surface thereof and which are opposed with these surfaces having electrodes and an orientation film formed thereon facing each other;
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51. A liquid crystal display comprising:
- a pair of substrates of which at least one is transparent and each has electrodes and an orientation film formed on one surface thereof and which are opposed with these surfaces having electrodes and an orientation film formed thereon facing each other;
spacers disposed between these opposed surfaces; and
liquid crystal sealed between the substrates with the periphery of the opposed substrates being sealed;
wherein spacers adhered to both substrates and spacers adhered to only one of the substrates are mixedly present. - View Dependent Claims (52, 53, 54, 55, 56, 57, 58, 59, 60)
- a pair of substrates of which at least one is transparent and each has electrodes and an orientation film formed on one surface thereof and which are opposed with these surfaces having electrodes and an orientation film formed thereon facing each other;
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61. A liquid crystal display comprising:
- a pair of substrates of which at least one is transparent and each has electrodes and an orientation film formed on one surface thereof and which are opposed with these surfaces having electrodes and an orientation film formed thereon facing each other;
spacers disposed between these opposed surfaces; and
liquid crystal sealed between the substrates with the periphery of the opposed substrates being sealed;
wherein at least a part of the spacers are adhered to at least one of the substrates without the orientation film interposed therebetween. - View Dependent Claims (62, 63, 64, 65, 66, 67, 68, 69, 70)
- a pair of substrates of which at least one is transparent and each has electrodes and an orientation film formed on one surface thereof and which are opposed with these surfaces having electrodes and an orientation film formed thereon facing each other;
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71. A liquid crystal display comprising:
- a pair of substrates of which at least one is transparent and each has electrodes and an orientation film formed on one surface thereof and which are opposed with these surfaces having electrodes and an orientation film formed thereon facing each other;
spacers disposed between these opposed surfaces; and
liquid crystal sealed between the substrates with the periphery of the opposed substrates being sealed;
wherein said spacer has, before said substrates are superimposed, a hardened portion and a semi-hardened portion in the surface to be brought into contact with said substrate, and each of said substrates is adhered to the spacers at least by hardening of the semi-hardened portion of said spacers after said substrates are superimposed. - View Dependent Claims (72, 73, 74, 75, 76, 77, 78, 79, 80)
- a pair of substrates of which at least one is transparent and each has electrodes and an orientation film formed on one surface thereof and which are opposed with these surfaces having electrodes and an orientation film formed thereon facing each other;
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81. A liquid crystal display comprising:
- a pair of substrates of which at least one is transparent and each has electrodes and an orientation film formed on one surface thereof and which are opposed with these surfaces having electrodes and an orientation film formed thereon facing each other;
spacers disposed between these opposed surfaces; and
liquid crystal sealed between the substrates with the periphery of the opposed substrates being sealed;
wherein said spacer contains an adhesive component, and the spacers are adhered to both substrates via the adhesive component. - View Dependent Claims (82, 83, 84, 85, 86, 87, 88, 89, 90)
- a pair of substrates of which at least one is transparent and each has electrodes and an orientation film formed on one surface thereof and which are opposed with these surfaces having electrodes and an orientation film formed thereon facing each other;
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91. A liquid crystal display comprising:
- a pair of substrates of which at least one is transparent and each has electrodes and an orientation film formed on one surface thereof and which are opposed with these surfaces having electrodes and an orientation film formed thereon facing each other;
spacers disposed between these opposed surfaces; and
liquid crystal sealed between the substrates with the periphery of the opposed substrates being sealed;
wherein at least one of said orientation films is thermoplastic, and said spacers have photo-thermal conversion capability, and the spacers are adhered to the thermoplastic orientation film. - View Dependent Claims (92, 93, 94, 95, 96, 97, 98, 99, 100)
- a pair of substrates of which at least one is transparent and each has electrodes and an orientation film formed on one surface thereof and which are opposed with these surfaces having electrodes and an orientation film formed thereon facing each other;
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101. A liquid crystal display comprising:
- a pair of substrates of which at least one is transparent and each has electrodes and an orientation film formed on one surface thereof and which are opposed with these surfaces having electrodes and an orientation film formed thereon facing each other;
spacers disposed between these opposed surfaces; and
liquid crystal sealed between the substrates with the periphery of the opposed substrates being sealed;
wherein said spacers are adhered to one of said pair of substrates via an adhesive containing a photo-thermal heat generating agent. - View Dependent Claims (102, 103, 104, 105, 106, 107, 108, 109, 110)
- a pair of substrates of which at least one is transparent and each has electrodes and an orientation film formed on one surface thereof and which are opposed with these surfaces having electrodes and an orientation film formed thereon facing each other;
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111. A method for manufacturing a liquid crystal display comprising a pair of substrates of which at least one is transparent and each has electrodes and an orientation film formed on one surface thereof and which are opposed with these surfaces having electrodes and an orientation film formed thereon facing each other, spacers disposed between these opposed surfaces, and liquid crystal sealed between the substrates with the periphery of the opposed substrates being sealed:
said method comprising the steps of;
forming a photosensitive resin layer on one of the substrates that is transparent;
irradiating the photosensitive resin layer with light from the back surface of the substrate opposite to the surface having the photosensitive resin layer formed thereon to thereby form spacers which have the least degree of hardening in the front end portion opposite to the side at which spacers are adhered to the substrate; and
after the other substrate is superimposed on this substrate, hardening the front end portion of the spacers with the least degree of hardening so as to be adhered to the other substrate.- View Dependent Claims (112, 113, 114, 115, 116, 117, 118, 119, 120)
Specification