Electrochromic devices having reduced switching times and their methods of manufacture
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G02F-001/153
G02F-001/155
G02F-001/163
G02F-001/1343
B05D-003/06
출원번호
US-0270698
(2016-09-20)
등록번호
US-9939703
(2018-04-10)
발명자
/ 주소
Nguyen, Que Anh S.
출원인 / 주소
Apple Inc.
대리인 / 주소
Young Basile Hanlon & McFarlane, P.C.
인용정보
피인용 횟수 :
0인용 특허 :
9
초록▼
Electrochromic devices having reduced switching times and their methods of manufacturing are presented. In one instance, the electrochromic device includes a transparent substrate having a surface. A first transparent conductive layer is disposed on a portion of the surface. The electrochromic devic
Electrochromic devices having reduced switching times and their methods of manufacturing are presented. In one instance, the electrochromic device includes a transparent substrate having a surface. A first transparent conductive layer is disposed on a portion of the surface. The electrochromic device also includes an optically active layer disposed on the first transparent conductive layer. The optically active layer is configured to alter optical properties in response to an applied electric field. A second transparent conductive layer is disposed on the optically active layer. The electrochromic device additionally includes a patterned conductive layer disposed on the second transparent conductive layer and defining an array on the second transparent conductive layer. The array partitions the electrochromic device into a plurality of electrochromic cells. Other electrochromic devices and methods are presented.
대표청구항▼
1. An electrochromic device comprising: a transparent substrate having a surface;a first transparent conductive layer disposed on a portion of the surface;an optically active layer disposed on the first transparent conductive layer, the optically active layer configured to alter an optical property
1. An electrochromic device comprising: a transparent substrate having a surface;a first transparent conductive layer disposed on a portion of the surface;an optically active layer disposed on the first transparent conductive layer, the optically active layer configured to alter an optical property in response to an applied electric field;a second transparent conductive layer disposed on the optically active layer; anda patterned conductive layer disposed on the second transparent conductive layer and defining an array;wherein the array partitions the electrochromic device into a plurality of electrochromic cells. 2. The electrochromic device of claim 1, further comprising a transparent layer, a portion of which forms an interface with the patterned conductive layer. 3. The electrochromic device of claim 1, wherein the patterned conductive layer is a first patterned conductive layer and further comprising a second patterned conductive layer disposed on the first transparent conductive layer; and wherein the first patterned conductive layer and the second patterned conductive layer define the array. 4. The electrochromic device of claim 1, wherein the optical property is selected from an absorption spectrum of electromagnetic radiation and a reflection spectrum of electromagnetic radiation. 5. The electrochromic device of claim 1, further comprising: a power distribution circuit electrically coupled to the first transparent conductive layer and the patterned conductive layer;the power distribution circuit configured to allow electrical power to selectively flow to individual cells in the plurality of electrochromic cells. 6. The electrochromic device of claim 5, further comprising an electrical power source coupled to the power distribution circuit. 7. The electrochromic device of claim 5, wherein the power distribution circuit comprises an electrical switch, the electrical switch configured to regulate electrical power flowing to the individual cells in the plurality of electrochromic cells. 8. The electrochromic device of claim 1, wherein the optically active layer comprises an electrochromic layer, an ion conductive layer, and an ion storage layer. 9. The electrochromic device of claim 1, wherein the patterned conductive layer comprises a metal selected from copper, aluminum, silver, and gold. 10. The electrochromic device of claim 1, wherein the patterned conductive layer comprises a polymer material having a resistivity lower than 10−3 Ω-cm. 11. An electrochromic device comprising: a glass substrate having a surface;a first transparent conductive layer disposed on a portion of the surface;an optically active layer disposed on the first transparent conductive layer and having an electrochromic layer, an ion conductive layer, and an ion storage layer therein, the electrochromic layer configured to alter an absorption spectrum of electromagnetic radiation in response to an applied electric field;a second transparent conductive layer disposed on the optically active layer;a patterned conductive layer disposed on the second transparent conductive layer and defining an array; anda glass superstrate having a portion bonded onto the patterned conductive layer;wherein the array partitions the electrochromic device into a plurality of electrochromic cells. 12. The electrochromic device of claim 11, wherein the patterned conductive layer is a first patterned conductive layer, and further comprising a second patterned conductive layer disposed on the first transparent conductive layer; andwherein the first patterned conductive layer and the second patterned conductive layer define the array. 13. The electrochromic device of claim 11, wherein the patterned conductive layer comprises a metal selected from copper, aluminum, silver, and gold. 14. The electrochromic device of claim 11, wherein the patterned conductive layer comprises a polymer material having a resistivity lower than 10−3 Ω-cm. 15. A method of manufacturing an electrochromic device, the method comprising: forming an optically active layer onto a first transparent conductive layer, the first transparent conductive layer disposed on a portion of a transparent substrate;depositing a second transparent conductive layer onto the optically active layer; andpatterning a conductive material into an array on the second transparent conductive layer to partition the electrochromic device into a plurality of electrochromic cells;wherein the optically active layer is configured to alter an optical property in response to an applied electric field. 16. The method of claim 15, further comprising bonding a transparent superstrate to the patterned conductive material. 17. The method of claim 15, wherein the optically active layer comprises an electrochromic layer, an ion conductive layer, and an ion storage layer. 18. The method of claim 15, wherein patterning the conductive material into the array comprises: depositing a precursor fluid onto the second transparent conductive layer using a process selected from rotogravure printing, ink-jet printing, screen-printing, and stamping. 19. The method of claim 15, wherein patterning the conductive material into the array comprises: coating a photoresist layer onto the second transparent conductive layer;exposing a portion of the photoresist layer to an electromagnetic radiation, the portion corresponding to a configuration of the array;removing, after exposure to the electromagnetic radiation, the portion, thereby defining an opening through the photoresist layer;depositing the conductive material onto the second transparent conductive layer through the opening; andremoving an unexposed portion of the photoresist layer from the second transparent conductive layer. 20. The method of claim 19, wherein exposing the portion of the layer of photoresist comprises receiving a beam of electromagnetic radiation from a laser writing system.
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