Mechanical layer and methods of making the same
First Claim
1. An apparatus, comprising:
- a substrate; and
a plurality of pixels arranged in an array on the substrate, each pixel includinga black mask disposed on the substrate along at least a portion of a side of each pixel,an optical stack disposed over the substrate and over at least a portion of the black mask,a mechanical layer disposed over the optical stack, the mechanical layer including a reflective layer, a cap layer, and a dielectric layer, the dielectric layer disposed between the reflective layer and the cap layer,a cavity between the mechanical layer and the optical stack, the mechanical layer movable through the cavity between an actuated position and a relaxed position,wherein the mechanical layer includes a notch in the dielectric layer along the side of each pixel, the notch reducing the overlap of the dielectric layer with the black mask along the side of the pixel.
2 Assignments
0 Petitions
Accused Products
Abstract
This disclosure provides mechanical layers and methods of forming the same. In one aspect, a method of forming a pixel includes depositing a black mask on a substrate, depositing an optical stack over the black mask, and forming a mechanical layer over the optical stack. The black mask is disposed along at least a portion of a side of the pixel, and the mechanical layer defines a cavity between the mechanical layer and the optical stack. The mechanical layer includes a reflective layer, a dielectric layer, and a cap layer, and the dielectric layer is disposed between the reflective layer and the cap layer. The method further includes forming a notch in the dielectric layer of the mechanical layer along the side of the pixel so as to reduce the overlap of the dielectric layer with the black mask along the side of the pixel.
693 Citations
31 Claims
-
1. An apparatus, comprising:
-
a substrate; and a plurality of pixels arranged in an array on the substrate, each pixel including a black mask disposed on the substrate along at least a portion of a side of each pixel, an optical stack disposed over the substrate and over at least a portion of the black mask, a mechanical layer disposed over the optical stack, the mechanical layer including a reflective layer, a cap layer, and a dielectric layer, the dielectric layer disposed between the reflective layer and the cap layer, a cavity between the mechanical layer and the optical stack, the mechanical layer movable through the cavity between an actuated position and a relaxed position, wherein the mechanical layer includes a notch in the dielectric layer along the side of each pixel, the notch reducing the overlap of the dielectric layer with the black mask along the side of the pixel. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12, 13)
-
-
14. A method of forming an electromechanical device having a plurality of pixels, the method comprising:
-
depositing a black mask on a substrate, the black mask disposed along at least a portion of a side of each pixel; depositing an optical stack over the substrate and over at least a portion of the black mask; forming a mechanical layer over the optical stack, wherein forming the mechanical layer includes providing a reflective layer, a dielectric layer over the reflective layer, and a cap layer over the supporting layer; forming a cavity between the mechanical layer and the optical stack, the mechanical layer movable through the cavity between an actuated position and a relaxed position, and forming a notch in the dielectric layer of the mechanical layer along the side of each pixel, the notch reducing the overlap of the dielectric layer with the black mask along the side of the pixel. - View Dependent Claims (15, 16, 17, 18, 19, 20, 21, 22, 23, 24)
-
-
25. An apparatus, comprising:
-
a substrate; and a plurality of pixels arranged in an array on the substrate, each pixel including a means for absorbing light on the substrate, the light absorbing means including a portion disposed along a side of each pixel, an optical stack disposed over the substrate and over at least a portion of the light absorbing means, a mechanical layer disposed over the optical stack, the mechanical layer including a reflective layer, a dielectric layer, and a cap layer, the dielectric layer disposed between the reflective layer and the cap layer, a cavity between the mechanical layer and the optical stack, the mechanical layer movable through the cavity between an actuated position and a relaxed position, wherein the mechanical layer further includes a means for reducing overlap along the side of each pixel, the overlap reducing means reducing the overlap of the dielectric layer with the light absorbing means along the side of the pixel. - View Dependent Claims (26, 27, 28, 29, 30, 31)
-
Specification