Color-filter device
First Claim
1. A method of making a color-filter device display, comprising:
- providing a color-filter device source wafer, wherein the color-filter device source wafer comprisesa wafer comprising a wafer substrate, the wafer substrate comprising a patterned sacrificial layer including sacrificial portions separated by anchors; and
a color-filter device disposed entirely over each sacrificial portion, wherein the color-filter device comprises;
a color filter,an electrical conductor disposed in contact with the color filter, andat least a portion of a color-filter tether attached to the color filter or structures formed in contact with or supporting the color filter, wherein the color filter is a variable color filter;
providing a display substrate; and
micro-transfer printing the color-filter devices of the color-filter device source wafer from the color-filter device source wafer to the display substrate.
3 Assignments
0 Petitions
Accused Products
Abstract
A micro-transfer color-filter device comprises a color filter, an electrical conductor disposed in contact with the color filter, and at least a portion of a color-filter tether attached to the color filter or structures formed in contact with the color filter. In certain embodiments, a color filter is a variable color filter electrically controlled through one or more electrodes and can be responsive to heat, electrical current, or an electrical field to modify its optical properties, such as color, transparency, absorption, or reflection. In certain embodiments, A color-filter device includes connection posts and can be provided in or on a source wafer suitable for micro-transfer printing. In some embodiments, a color-filter device is disposed on a device substrate and can include a control circuit for controlling the color filter. An array of micro-transfer color-filter devices can be disposed on a display substrate in order to form a display.
-
Citations
20 Claims
-
1. A method of making a color-filter device display, comprising:
-
providing a color-filter device source wafer, wherein the color-filter device source wafer comprises a wafer comprising a wafer substrate, the wafer substrate comprising a patterned sacrificial layer including sacrificial portions separated by anchors; and a color-filter device disposed entirely over each sacrificial portion, wherein the color-filter device comprises; a color filter, an electrical conductor disposed in contact with the color filter, and at least a portion of a color-filter tether attached to the color filter or structures formed in contact with or supporting the color filter, wherein the color filter is a variable color filter; providing a display substrate; and micro-transfer printing the color-filter devices of the color-filter device source wafer from the color-filter device source wafer to the display substrate. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13, 14, 15, 16, 17, 18, 19, 20)
-
Specification