1. A surface light source comprising:
a body including a plurality of discharge portions;
a voltage supplying unit disposed on an outer surface of the body to generate an invisible light in the discharge portions;
a conductive body disposed on an inner surface of the body corresponding to the voltage supplying unit; and
a visible light generating part disposed in the discharge portions to generate a visible light based on the invisible light.
2. The surface light source of claim 1, further comprising a connecting portion that connects the discharge portions to one another.
3. The surface light source of claim 1, wherein each of the discharge portions is extended in a first direction, and the discharge portions are aligned in a second direction that is in substantially perpendicular to the first direction.
4. The surface light source of claim 1, wherein the voltage supplying unit comprises a first voltage supplying portion that is in substantially perpendicular to the discharge portions, and a second voltage supplying portion that is in substantially parallel with the first voltage supplying portion and spaced apart from the first voltage supplying portion.
5. The surface light source of claim 1, wherein the conductive body has substantially equal shape and size to the voltage supplying unit.
6. The surface light source of claim 1, wherein the visible light generating part comprises:
an operation gas that generates the invisible light in the discharge portions using an electric field formed by the voltage supplying unit; and
a fluorescent layer disposed in the body to convert the invisible light into the visible light.
7. The surface light source of claim 1, wherein the conductive body has a hole to increase an amount of a discharge current.
8. The surface light source of claim 7, wherein a plurality of holes is formed in the conductive body and each of the holes corresponds to each of the discharge portions.
9. The surface light source of claim 1, wherein the conductive body has a plurality of recesses to increase an amount of a discharge current, and each of the recesses corresponds to each of the discharge portions.
10. The surface light source of claim 4, wherein the conductive body comprises a plurality of first conductive portions spaced apart from one another and a plurality of second conductive portions spaced apart from one another, and the first and second conductive portions correspond to the first and second voltage supplying portions, respectively.
11. The surface light source of claim 10, wherein each of the first conductive portions corresponding to each of the discharge portions has a hole, and each of the second conductive portions corresponding to each of the discharge portions has a hole.
12. The surface light source of claim 10, wherein each of the first conductive portions corresponding to each of the discharge portions has a plurality of holes, and each of the second conductive portions corresponding to each of the discharge portions has a plurality of holes.
13. The surface light source of claim 4, wherein the conductive body comprises a first conductive portion corresponding to the first voltage supplying portion and a second conductive portion corresponding to the second voltage supplying portion, and the first and second conductive portions have substantially identical shape and size to the first and second voltage supplying portions, respectively.
14. The surface light source of claim 13, wherein a portion of each of the first conductive portions, which corresponds to each of the discharge portions, has a hole, and a portion of each of the second conductive portions, which corresponds to each of the discharge portions, has a hole.
15. The surface light source of claim 13, wherein a portion of each of the first conductive portions, which corresponds to each of the discharge portions has a plurality of holes, and a portion of each of the second conductive portions, which corresponds to each of the discharge portions, has a plurality of holes.
16. The surface light source of claim 1, further comprising a protecting layer disposed on the inner surface of the body to protect the body.
17. The surface light source of claim 1, further comprising a reflection layer disposed on the inner surface of the body so that the visible light is reflected from the reflection layer.
18. The surface light source of claim 1, wherein the body comprises:
a first substrate;
a second substrate corresponding to the first substrate;
a sealant disposed between a first peripheral region of the first substrate and a second peripheral region of the second substrate to form a discharge space having the discharge portions; and
a space dividing member disposed between the first and second substrates to divide the discharge space into the discharge portions.
19. The surface light source of claim 18, further comprising a reflection layer disposed on an upper surface of the second substrate so that the visible light is reflected from the reflection layer.
20. A surface light source comprising:
a body including a plurality of discharge portions having operation gas;
a voltage supplying unit disposed on an outer surface of the body to generate an electric field in the discharge portions;
a conductive body disposed on an inner surface of the body corresponding to the voltage supplying unit to supply the discharge portions with electrons based on the electric field; and
a fluorescent layer disposed in the discharge portions to convert an invisible light into a visible light, the invisible light being generated in the discharge portions by the operation gas and the electrons.
21. The surface light source of claim 20, further comprising a connecting portion that connects the discharge portions to one another.
22. The surface light source of claim 20, wherein the conductive body has a hole to increase an amount of a discharge current.
23. The surface light source of claim 20, wherein the conductive body comprises a plurality of conductive portions spaced apart from one another.
24. A display apparatus comprising:
a surface light source including a body having a plurality of discharge portions, a voltage supplying unit disposed on an outer surface of the body to generate an invisible light in the discharge portions, a conductive body disposed on an inner surface of the body corresponding to the voltage supplying unit, and a fluorescent layer to convert the invisible light into a visible light;
a display panel disposed on the surface light source to convert the visible light into an image; and
a receiving container that receives the surface light source and the display panel.
25. The display apparatus of claim 24, wherein the conductive body has a hole to increase an amount of a discharge current.
26. The display apparatus of claim 24, wherein the conductive body comprises a plurality of conductive portions spaced apart from one another.
27. A liquid crystal display apparatus comprising:
a surface light source including a body having a plurality of discharge portions, a voltage supplying unit disposed on an outer surface of the body to form an electric field in the discharge portions to generate an invisible light in the discharge portions, a conductive body disposed on an inner surface of the body corresponding to the voltage supplying unit, and a fluorescent layer disposed in the discharge portions to convert the invisible light into a visible light;
a liquid crystal display panel disposed on the surface light source to convert the visible light into an image, the liquid crystal display panel including a liquid crystal disposed between two substrates; and
a receiving container that receives the surface light source and the liquid crystal display panel.
28. The liquid crystal display apparatus of claim 27, wherein the body comprising:
a first substrate;
a second substrate corresponding to the first substrate;
a sealant disposed between a first peripheral region of the first substrate and a second peripheral region of the second substrate to form a discharge space having the discharge portions; and
a space dividing member disposed between the first and second substrates to divide the discharge space into the discharge portions.
29. The liquid crystal display apparatus of claim 28, further comprising a reflection layer disposed on an upper surface of the second substrate so that the visible light is reflected from the reflection layer.
30. The liquid crystal display apparatus of claim 28, wherein the conductive body has a hole or a recess corresponding to one of the discharge portions to increase an amount of a discharge current.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
What is claimed is:
1. A wiring board comprising:
a substrate;
a wiring pattern which is provided on the substrate and includes a land and a line connected to the land; and
a protective film which has an opening and is provided over the substrate and the wiring pattern, wherein:
the land has a first portion which includes a connecting portion connected to the line and is covered by the protective film, and a second portion exposed by the opening; and
a hole is formed at least in the first portion of the land, to expose the substrate.
2. The wiring board as defined in claim 1, wherein:
at least part of an end portion of the protective film is located over the land; and
the width of the land, at least in a portion over which the end portion of the protective film is located, is larger than the width of the line at the connecting portion connected to the land.
3. The wiring board as defined in claim 1,
wherein the hole is formed only in the first portion.
4. The wiring board as defined in claim 1,
wherein the hole is formed in the first and second portions.
5. The wiring board as defined in claim 4,
wherein the hole is formed continuously from the first portion to the second portion.
6. The wiring board as defined in claim 1,
wherein the hole is a slit extending toward the second portion.
7. The wiring board as defined in claim 1,
wherein a plurality of the holes are formed.
8. The wiring board as defined in claim 7,
wherein the holes are arranged in a direction parallel to a boundary between the first and second portions.
9. The wiring board as defined in claim 1,
wherein a metal coating is formed on the second portion by plating.
10. The wiring board as defined in claim 9, wherein:
the wiring pattern is formed of at least copper; and
the metal coating is formed of gold.
11. The wiring board as defined in claim 1,
wherein the substrate is a flexible substrate.
12. An electronic component comprising:
a wiring board having: a substrate; a wiring pattern which is provided on the substrate and includes a land and a line connected to the land; and a protective film which has an opening and is provided over the substrate and the wiring pattern, wherein: the land has a first portion which includes a connecting portion connected to the line and is covered by the protective film, and a second portion exposed by the opening; and a hole is formed at least in the first portion of the land, to expose the substrate; and
an electronic element having a terminal electrically connected to the second portion of the land, and mounted on the wiring board.
13. The electronic component as defined in claim 12, wherein:
the electronic element is a semiconductor chip; and
the semiconductor chip has a bump as the terminal.
14. An electronic instrument comprising an electronic component which includes:
a wiring board having: a substrate; a wiring pattern which is provided on the substrate and includes a land and a line connected to the land; and a protective film which has an opening and is provided over the substrate and the wiring pattern, wherein: the land has a first portion which includes a connecting portion connected to the line and is covered by the protective film, and a second portion exposed by the opening; and a hole is formed at least in the first portion of the land, to expose the substrate; and
an electronic element having a terminal electrically connected to the second portion of the land, and mounted on the wiring board.
15. A method of manufacturing a wiring board, comprising:
forming on a substrate a wiring pattern which has a land and a line connected to the land;
forming a hole in the land for exposing the substrate; and
forming a protective film having an opening to provide on the land a first portion covered by the protective film and including a connecting portion connected to the line and at least part of a portion having the hole, and a second portion exposed by the opening.
16. The method of manufacturing a wiring board as defined in claim 15,
wherein the hole is formed by providing a resist having an opening on a conductive film which becomes the wiring pattern, and by etching a portion of the conductive film exposed by the opening of the resist, using the resist as a mask.
17. The method of manufacturing a wiring board as defined in claim 15,
wherein the step of forming the hole is carried out simultaneously with the step of forming the wiring pattern.
18. The method of manufacturing a wiring board as defined in claim 15,
wherein plating is applied to the second portion of the land after the step of forming the protective film.