Rib structure for display device and its manufacture process
View Patent ↗A rib structure for a display device includes a light-transmissive rib structure containing therein a material absorbent of visible light so that a visible light absorption distance is 40 to 1200 μm (the visible light absorption distance L (μm) means a distance such that visible light decreases to exp(−T/L) times less in connection to the travel distance T (μm), that is, visible light is absorbed by 1-exp(−T/L)).
1. A rib structure for a display device comprising:
a sintered glass material containing 0.01 to 0.3 wt % of a black pigment containing a metal oxide as a major component; and
a filler which allows the rib structure to have a diffuse transmissivity of 10% to 50% in the absence of a material absorbent of visible light, wherein the filler contains alumina, a discharge space is partitioned by the rib structure, and a phosphor layer is provided on a side of the rib structure.
2. A rib structure as in claim 1 , wherein the black pigment is the material absorbent of visible light so that a visible light absorption distance is 40 to 1200 μm, where (the visible light absorption distance is L μm, the travel distance T μm and visible light is absorbed by 1-exp(−T/L).
3. A plasma display panel having a discharge space partitioned by a rib structure as set forth in claim 2 .
4. A rib structure according to claim 2 , wherein the filler is Al 2 O 3 .
5. A rib structure as in claim 1 , wherein the black pigment is the material absorbent of visible light so that the rib structure has a larger (brightness) 2 /(diffuse reflectance) than a rib structure not containing the material absorbent of visible light.
6. A plasma display panel having a discharge space partitioned by a rib structure as set forth in claim 5 .
7. A rib structure according to claim 5 , wherein the filler is Al 2 O 3 .
8. A plasma display panel having a discharge space partitioned by a rib structure as set forth in claim 1 .
9. A rib structure for a display device comprising:
a sintered glass material containing 0.03 to 1 wt % of metal fine particles having an average particle diameter of 3 μm or less, wherein
a discharge space is partitioned by the rib structure,
a phosphor layer is provided on a side of the rib structure, and
the rib structure contains a filler which allows the rib structure to have a diffuse transmissivity of 10% to 50% in the absence of a material absorbent of visible light, the filler containing alumina.
10. A plasma display panel having a discharge space partitioned by a rib structure as set forth in claim 9 .
11. A rib structure according to claim 9 , wherein the filler is Al 2 O 3 .
12. A rib structure as in claim 9 , wherein the metal fine particles are provided in a pigment provided in the sintered glass material, the pigment with the metal fine particles provided therein being the material absorbent of visible light so that a visible light absorption distance is 40 to 1200 μm, where the visible light absorption distance is L μm, the travel distance is T μm, and visible light is absorbed by 1-exp(−T/L).
13. A rib structure as in claim 9 , wherein the metal fine particles are provided in a pigment provided in the sintered glass material, the pigment with the metal fine particles provided therein being the material absorbent of visible light so that the rib structure has a larger (brightness) 2 /(diffuse reflectance) than a rib structure not containing the material absorbent of visible light.
14. A rib structure for a display device comprising:
a sintered glass material containing 0.02X to 0.7X wt % of metal fine particles having an average particle diameter of X μm, wherein
a discharge space is partitioned by the rib structure,
a phosphor layer is provided on a side of the rib structure, and
the rib structure contains a filler which allows the rib structure to have a diffuse transmissivity of 10% to 50% in the absence of a material absorbent of visible light, the filler containing alumina.
15. A plasma display panel having a discharge space is partitioned by a rib structure as set forth in claim 14 .
16. A rib structure according to claim 14 , wherein the filler is Al 2 O 3 .
17. A rib structure as in claim 14 , wherein the metal fine particles are provided in a pigment provided in the sintered glass material, the pigment with the metal fine particles provided therein being the material absorbent of visible light so that a visible light absorption distance is 40 to 1200 μm, where the visible light absorption distance is L μm, the travel distance is T μm, and visible light is absorbed by 1-exp(−T/L).
18. A rib structure as in claim 14 , wherein the metal fine particles are provided in a pigment provided in the sintered glass material, the pigment with the metal fine particles provided therein being the material absorbent of visible light and has a larger (brightness) 2 /(diffuse reflectance) than a rib structure not containing the material absorbent of visible light.
19. An apparatus comprising:
a plasma display panel comprising
a light-transmissive rib structure partitioning a discharge space of the plasma display panel, the rib structure comprising a filler and a material absorbent of visible light so that a visible light absorption distance is 40 to 1200 μm where visible light absorption distance is L μm, the travel distance is T μm, and visible light is absorbed by 1-exp(−T/L), and
a phosphor layer on a side of the rib structure,
wherein the filler allows the rib structure to have a diffuse transmissivity of 10% to 50% in the absence of a material absorbent of visible light, the filler containing alumina.
20. An apparatus according to claim 19 , wherein the filler is Al 2 O 3 .
21. An apparatus comprising:
a plasma display panel comprising
a light-transmissive rib structure partitioning a discharge space of the plasma display panel, the rib structure comprising a filler and a material absorbent of visible light and having a larger (brightness) 2 /(diffuse reflectance) than a rib structure not containing the material absorbent of visible light, and
a phosphor layer on a side of the rib structure,
wherein the filler allows the rib structure to have a diffuse transmissivity of 10% to 50% in the absence of a material absorbent of visible light, the filler containing alumina.
22. An apparatus according to claim 21 , wherein the filler is Al 2 O 3 .
23. An apparatus comprising:
a plasma display panel comprising
a rib structure partitioning a discharge space of the plasma display panel, the rib structure comprising a sintered glass material containing 0.01 to 0.3 wt % of a black pigment containing a metal oxide as a major component, the rib structure comprising a filler which allows the rib structure to have a diffuse transmissivity of 10% to 50% in the absence of a material absorbent of visible light, the filler containing alumina; and a phosphor layer on a side of the rib structure.
24. An apparatus comprising:
a plasma display panel comprising
a rib structure partitioning a discharge space of the plasma display panel, the rib structure comprising a filler and a sintered glass material containing 0.03 to 1 wt % of metal fine particles having an average particle diameter of 3 μm or less, the filler allowing the rib structure to have a diffuse transmissivity of 10% to 50% in the absence of a material absorbent of visible light, the filler containing alumina; and
a phosphor layer on a side of the rib structure.
25. An apparatus according to claim 24 , wherein the filler is Al 2 O 3 .
26. An apparatus comprising:
a plasma display panel comprising
a rib structure partitioning a discharge space of the plasma display panel, the rib structure comprising a filler and a sintered glass material containing 0.02X to 0.7X wt % of metal fine particles having an average particle diameter of X μm, the filler allowing the rib structure to have a diffuse transmissivity of 10% to 50% in the absence of a material absorbent of visible light, the filler containing alumina; and
a phosphor layer on a side of the rib structure.
27. An apparatus according to claim 26 , wherein the filler is Al 2 O 3 .