IP Library Granted Patent US 8,040,474
Granted Patent B2
US 8,040,474 · App. 11/704,015 · Granted Oct 18, 2011

Mold and method of manufacturing display device

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Quick Facts
Patent No.
US 8,040,474
App. No.
11/704,015
Granted
Oct 18, 2011
Kind
B2
Abstract

A mold for a display device, comprising a supporting frame; at least one pattern forming part provided on a surface of the supporting frame; and a protrusion projecting from the supporting frame and disposed along the circumference of the pattern forming part, an inside wall of the protrusion toward the pattern forming part standing upright from the surface of the supporting frame.

Claims (11)

1. A mold for a display device, comprising:

a supporting frame comprising a first side and a second side facing the first side;

at least one pattern forming part provided on the first side of the supporting frame;

at least one flat part provided on the first side of the supporting frame; and

a protrusion projecting from the supporting frame, the protrusion disposed between the flat part and the pattern forming part, wherein an inside wall of the protrusion toward the pattern forming part stands upright from the first side of the supporting frame.

2. The mold according to claim 1 , wherein the pattern forming part has a concavo-convex pattern.

3. The mold according to claim 1 , wherein an outside wall of the protrusion inclines to the first side of the supporting frame so that a cross-sectional area of the protrusion taken along transversely becomes smaller further from the supporting frame.

4. The mold according to claim 1 , further comprising a mask placed on the second side of the supporting frame and having an opening corresponding to the pattern forming part.

5. The mold according to claim 4 , wherein the angle between the inside wall of the protrusion and the first side of the supporting frame is substantially in the range of 80 degrees to 100 degrees.

6. The mold according to claim 4 , wherein the width of the protrusion is substantially in the range of 5 μm to 20 μm.

7. The mold according to claim 6 , wherein the supporting frame and the protrusion comprises polydimethylsiloxane (PDMS).

Assignments (2)
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Sep 19, 2012
From: SAMSUNG ELECTRONICS, CO., LTD
To: SAMSUNG DISPLAY CO., LTD
Reel/Frame 028989/0523 →
ASSIGNMENT OF ASSIGNOR'S INTEREST Recorded Feb 7, 2007
From: ROH, NAM-SEOK; CHANG, JAE-HYUK; HONG, MUN-PYO; BAE, JUNG-MOK
To: SAMSUNG ELECTRONICS CO., LTD.,
Reel/Frame 018984/0606 →