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US 2006/0132698 A1Published application
Elimination of thermal deformation in electronic structures
AssigneeEastman Kodak Company
InventorsEdward Furlani, Richard Wien, Tabrez Ebrahim, David Patton
Life of this patent
Estimating the term…
Abstract
A flexible electronic display device is provided comprising a substrate; an imaging layer zone; a transparent superstrate; and a thermal control layer. The device is able to resist thermal deformation caused by the heating generated by the operation of the display.
Claims17
A display device comprising:
- a. a substrate;
- b. an imaging layer zone;
- c. a transparent superstrate;
- and
- d. a thermal control layer
2 more elements
A method of providing a laminate structure of predetermined curvature that will maintain its curvature after heating comprising selecting a desired laminate of desired curvature, calculating using
- (
- BD
- -
- C
- 2
- B
- )
-
- ∇
- 4
-
- w
-
- (
- x
- ,
- y
- )
- =
- ∇
- 2
-
- [
- C
- B
-
- N
- T
-
- (
- x
- ,
- y
- )
- -
- M
- T
-
- (
- x
- ,
- y
- )
- ]
- (
- 8
- )
- where w(x,y) is the vertical deflection at point (x,y) of the structure,
- ∇
- 4
-
- w
- =
- ∂
- 4
-
- w
- ∂
- x
- 4
- +
- 2
-
- ∂
- 4
-
- w
- ∂
- y
- 2
-
- ∂
- x
- 2
- +
- ∂
- 4
-
- w
- ∂
- y
- 4
- ,
- ∇
- 2
-
- w
- =
- ∂
- 2
-
- w
- ∂
- x
- 2
- +
- ∂
- 2
-
- w
- ∂
- y
- 2
- ,
-
- and
- (
- 9
- )
- N
- T
-
- (
- x
- ,
- y
- )
- =
- ∑
- k
- =
- 1
- N
-
- E
- k
-
- α
- k
- 1
- -
- v
- k
-
- ∫
- h
- k
- -
- 1
- h
- k
-
- T
- k
-
- (
- x
- ,
- y
- )
-
-
- ⅆ
- z
- (
- 10
- )
- M
- T
-
- (
- x
- ,
- y
- )
- =
- ∑
- k
- =
- 1
- N
-
- E
- k
-
- α
- k
- 1
- -
- v
- k
-
- ∫
- h
- k
- -
- 1
- h
- k
-
- T
- k
-
- (
- x
- ,
- y
- )
-
-
- z
-
- ⅆ
- z
-
-
- where
- (
- 11
- )
- B
- =
- ∑
- k
- =
- 1
- N
-
- E
- k
- 1
- -
- v
- k
- 2
-
- (
- h
- k
- -
- h
- k
- -
- 1
- 2
- )
- ,
- C
- =
- ∑
- k
- =
- 1
- N
-
- E
- k
- 1
- -
- v
- k
- 2
-
- (
- h
- k
- 2
- -
- h
- k
- -
- 1
- 2
- 2
- )
- ,
-
- and
- (
- 12
- )
- D
- =
- ∑
- k
- =
- 1
- N
-
- E
- k
- 1
- -
- v
- k
- 2
-
- (
- h
- k
- 2
- -
- h
- k
- -
- 1
- 2
- 2
- )
- .
- (
- 13
- )
- wherein
-
-
- C
- B
-
- N
- T
-
- (
- x
- ,
- y
- )
- -
- M
- T
-
- (
- x
- ,
- y
- )
- =
- 0.
- (
- 14
- )
- thereby resulting in a structure stable over the defined temperature range.
329 more elements
Dependencies are inferred from the claim text.