1. A manufacturing method of a light-emitting device, comprising:
providing a first semiconductor layer;
forming a transparent conductive oxide layer on the first semiconductor layer;
forming a metal layer comprising a first metal material on a surface of the transparent conductive oxide layer; and
heat treating the transparent conductive oxide layer and the metal layer thereby forming a diffusion region comprising the first metal material and a non-diffusion region substantially not comprising the first metal material in the transparent conductive oxide layer, wherein the non-diffusion region is closer to the first semiconductor layer than the diffusion region.
2. The manufacturing method of claim 1, wherein the concentration of the first metal material in the diffusion region decreases gradually toward the first semiconductor layer.
3. The manufacturing method of claim 1, wherein the first metal material comprises an element selected from a group consisting of group IIA element and group IIIA element.
4. The manufacturing method of claim 1, wherein the transparent conductive oxide layer comprises a second metal material different from the first metal material of the metal layer.
5. The manufacturing method of claim 1, wherein a thickness of the metal layer before heat treating is smaller than 500 angstroms.
6. The manufacturing method of claim 5, wherein the thickness of the metal layer after heat treating is smaller than 50 angstroms.
7. The manufacturing method of claim 1, further comprising forming a second semiconductor layer and an active layer prior to forming the first semiconductor layer, wherein the active layer is formed between the first semiconductor layer and the second semiconductor layer.
8. The manufacturing method of claim 1, wherein the metal layer is a discontinuous layer before the heat treating step.
9. The manufacturing method of claim 1, wherein the surface of the transparent conductive oxide layer is a rough surface after the heat treating step.
10. The manufacturing method of claim 1, wherein the step of heat treating the transparent conductive oxide layer and the metal layer comprises forming an oxide of the first metal material by reacting the first metal material with oxygen of the transparent conductive oxide layer.
11. The manufacturing method of claim 1, wherein the heat treating step is carried out at an environment substantially without oxygen.
12. The manufacturing method of claim 1, further comprising forming an electrode on the transparent conductive oxide layer.
13. A light-emitting device, comprising:
a first semiconductor layer; and
a transparent conductive oxide layer comprising a diffusion region having a first metal material and a non-diffusion region devoid of the first metal material,
wherein the non-diffusion region is closer to the first semiconductor layer than the diffusion region.
14. The light-emitting device of claim 13, further comprising a second semiconductor layer and an active layer, wherein the active layer is formed between the first semiconductor layer and the second semiconductor layer.
15. The light-emitting device of claim 13, wherein the concentration of the first metal material in the diffusion region decreases gradually toward the first semiconductor layer.
16. The light-emitting device of claim 13, wherein the first metal material comprises an element selected from a group consisting of IIA group and IIIA group.
17. The light-emitting device of claim 13, further comprising an oxide of the first metal material formed in the transparent conductive oxide layer.
18. The light-emitting device of claim 13, wherein the transparent conductive oxide layer comprises a second metal material different from the first metal material.
19. The light-emitting device of claim 14, further comprising a metal layer formed on the transparent conductive oxide layer, wherein the metal layer is pervious to a light emitted from the active layer.
20. The light-emitting device of claim 19, wherein the metal layer is a discontinuous layer, andor a thickness of the metal layer is less than 100 angstroms.
The claims below are in addition to those above.
All refrences to claim(s) which appear below refer to the numbering after this setence.
1. Therapeutic footwear apparatus comprising:
a) a boot comprising a plurality of fabric panels sewn to one another and organized to wrap about and cover a portion of a wearer’s leg and foot and including a plurality of tabs of hook and loop fastener material directly affixed to said panels and arranged to bind the boot to a wearer’s leg and foot upon overlapping the panels onto one another;
b) a foam cradle piece mounted inside said boot and having a longitudinal channel shaped to mate with and support a wearer’s calf and elevate a wearer’s heel in an included arcuate cutout space adjacent a wearer’s heel;
c) a flat foam extension piece affixed to a posterior surface of said cradle piece and extending to protect the bottom of a wearer’s heel and sole and wrap back upon itself over the distal ends and anterior surface of a wearer’s toes; and
d) a generally L-shaped splint directly mounted to the sole of the boot and having a sole portion that underlies the plantar foam extension piece and a wearer’s sole, a calf portion that underlies a wearer’s calf and a heel portion adapted to depress into a cushioned support surface to prevent rotation of a wearer’s leg, reduce leg elevation and minimize contact pressure between the boot and heel when the boot and a wearer’s leg are supported in a supine posture on the cushioned support surface.
2. Footwear apparatus as set forth in claim 1 wherein said heel portion transversely projects below said calf portion in a range of approximately \u215c to \xbe-inch.
3. Footwear apparatus as set forth in claim 1 wherein said splint is mounted in a pocket defined between a fabric layer at the sole of the boot and a traction pad mounted to the sole of said boot.
4. Footwear apparatus as set forth in claim 1 including a fabric sleeve mounted over the calf portion of said splint and having a tab of hook or loop fastener material positioned to mate with a hook or loop fastener tab at a foam cover piece mounted to the heel portion of said splint to secure said fabric sleeve to said splint.
5. Footwear apparatus as set forth in claim 1 including a layer of foam mounted to the calf, heel and sole portions of said splint.
6. Footwear apparatus as set forth in claim 1 including a plurality of straps affixed to said splint and wherein hook or loop fasteners mounted to said straps fasten to mating hook and loop fasteners at said boot.
7. Therapeutic footwear apparatus adapted to cover a wearer’s leg in the region of the calf, foot, heel, sole and toes comprising:
a) a boot comprising a plurality of panels sewn to one another and oriented to overlap each other and align with a wearer’s foot and calf, wherein said panels comprise an external layer of a fabric material sewn to an internal layer of a fleece material, wherein a plurality of hook or loop fastener pieces are directly affixed to surfaces of said external and internal layers and arranged to overlap and adhere the panels to each other, and wherein a pocket space is longitudinally aligned to a wearer’s calf and configured between said fabric and fleece layers; and
b) a foam support comprising;
i) a cradle piece having a longitudinally contoured channel adapted to mate with and support a wearer’s calf, wherein said cradle piece mounts in said pocket space, wherein an anterior surface of said channel exhibits a recessed portion and a contoured, raised portion that extends above the recessed portion in the region of a wearer’s heel such that the channel is shaped and oriented to mate with the posterior surface of a wearer’s calf, wherein an arcuate cutout is defined through an end of said cradle piece, and wherein a wearer’s heel is suspended in the arcuate cutout, and
ii) an extension piece comprising an elongated foam sheet affixed to a posterior surface of said cradle piece adjacent an apex of said arcuate cutout and mounted between said fabric and fleece layers to extend into a toe panel to only underlie plantar surfaces of a wearer’s heel, sole and toes and fold back upon itself over distal ends of a wearer’s toes and over an anterior surface of the wearer’s toes and foot; and
c) a generally L-shaped splint mounted in a pocket defined between a fabric layer at the sole of the boot and a traction pad mounted to the sole of said boot, wherein a sole portion of the splint underlies the foam extension piece and a wearer’s sole, wherein a calf portion of the splint underlies a wearer’s calf, and wherein a heel portion of the splint projects from the calf portion and is adapted to depress into a cushioned support surface to prevent rotation of a wearer’s leg, reduce leg elevation and minimize contact pressure between the boot and heel when the boot and a wearer’s leg are supported in a supine posture on the cushioned support surface.
8. Footwear apparatus as set forth in claim 7 including a fabric sleeve mounted over the calf portion of said splint and having a tab of hook or loop fastener material positioned to mate with a hook or loop fastener tab at a foam cover piece mounted to the heel portion of said splint to secure said fabric sleeve to said splint.
9. Footwear apparatus as set forth in claim 8 including a layer of foam mounted to the calf, heel and sole portions of said splint.
10. Footwear apparatus as set forth in claim 7 including a plurality of straps affixed to said splint and wherein hook or loop fasteners mounted to said straps fasten to mating hook and loop fasteners at said boot.
11. Therapeutic footwear apparatus comprising:
a) a boot comprising a plurality of fabric panels sewn to one another and organized to wrap about and cover a portion of a wearer’s leg and foot and including a plurality of tabs of hook and loop fastener material directly affixed to said panels and arranged to bind the boot to a wearer’s leg and foot upon overlapping the panels onto one another;
b) a foam cradle piece mounted inside said boot and having a longitudinal channel shaped to mate with and support a wearer’s calf and elevate a wearer’s heel in an included arcuate cutout space adjacent a wearer’s heel;
c) a flat foam extension piece affixed to a posterior surface of said cradle piece and extending to protect the bottom of a wearer’s heel and sole and wrap back upon itself over the distal ends and anterior surface of a wearer’s toes; and
d) a generally L-shaped splint mounted in a pocket defined between a fabric layer at the sole of the boot and a traction pad mounted to the sole of said boot, wherein a sole portion of the splint underlies the foam extension piece and a wearer’s sole, wherein a plurality of straps having hook or loop fasteners are coupled to said calf portion and mounted to overlap and fasten said straps to mating hook and loop fasteners at said boot, wherein a fabric sleeve mounts over the calf portion of said splint and includes a tab of hook or loop fastener material positioned to mate with a hook or loop fastener tab at a foam cover piece mounted to said splint to secure said fabric sleeve to said splint, wherein a calf portion of the splint underlies a wearer’s calf, and wherein a heel portion of the splint projects from the calf portion and is adapted to depress into a cushioned support surface to prevent rotation of a wearer’s leg, reduce leg elevation and minimize contact pressure between the boot and heel when the boot and a wearer’s leg are supported in a supine posture on the cushioned support surface.
12. Footwear apparatus as set forth in claim 11 including a layer of foam mounted to the calf, heel and sole portions of said splint.