Panel assembly for PDP and manufacturing method thereof

1. A panel assembly for a PDP having ribs or partitioning a discharge space on a substrate, comprising:

grooves each formed between adjacent ribs, each of the grooves having deeper groove regions to be luminous areas and shallower groove regions to be non-luminous areas; and

black material layers formed on the shallower groove regions.

2. The panel assembly of claim 1 , wherein the ribs each have a meander configuration such that wider groove regions corresponding to the deeper groove regions and narrower groove regions corresponding to the shallower groove regions are formed alternately in the grooves between the ribs.

3. The panel assembly of claim 1 , wherein the substrate is a plane substrate in which the ribs are formed by digging the grooves.

4. The panel assembly of claim 1 , wherein the substrate is a light transmissive substrate in which a light reflection layer for reflecting lateral light underlies the black material layer.

5. The panel assembly of claim 4 , further comprising a light reflection layer formed on a surface opposite to the rib forming surface of the substrate, for reflecting transmitted light.

6. A panel assembly for a PDP, comprising:

a substrate; and

a recess to be a discharge space formed on the substrate, the recess having deeper recess regions to be luminous areas and shallower recess regions to be non luminous areas, the shallower recess regions having black material layers, respectively.

7. A PDP using the panel assembly as described in claim 1 .

8. A manufacturing method of the panel assembly as described in claim 1 , comprising the steps of:

forming the ribs on the substrate such that the deeper groove regions to be the luminous areas and the shallower groove regions to be the non-luminous areas are provided between the ribs;

applying a black paste onto a flexible supporter with a size corresponding to that of the substrate;

causing a surface of the flexible supporter having the black paste to face a surface of the substrate having the ribs to contact-bond the flexible supporter to the substrate until the black paste reaches the bottoms of the shallower groove regions in the grooves between the ribs; and

peeling off the flexible supporter from the rib-formed surface of the substrate to transfer the black paste only into the shallower groove regions on the rib-formed surface of the substrate.

9. A PDP using The panel assembly as described in claim 6 .