Optical element for correcting color blindness
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
G09G-003/30
C09K-011/06
G06F-003/041
G02C-007/10
C09B-057/00
C09B-069/10
C09B-003/20
G02B-001/04
C08K-005/29
A61F-002/16
G02C-007/04
C08K-005/315
C09K-011/02
F21V-009/30
출원번호
US-0565667
(2012-08-02)
등록번호
US-10119070
(2018-11-06)
발명자
/ 주소
Harding, Brett T.
Li, Sheng
Mochizuki, Amane
Fujii, Hironaka
출원인 / 주소
Nitto Denko Corporation
대리인 / 주소
K&L Gates LLP
인용정보
피인용 횟수 :
0인용 특허 :
114
초록
Described herein are devices, compositions, and methods for improving color discernment.
대표청구항▼
1. An electronic device comprising: an electronic display comprising a light source; andan optical element for enhancing color discrimination for a user that has an impaired ability to distinguish colors, the optical element being separate from the light source and completely covering the electronic
1. An electronic device comprising: an electronic display comprising a light source; andan optical element for enhancing color discrimination for a user that has an impaired ability to distinguish colors, the optical element being separate from the light source and completely covering the electronic display, the optical element comprising a photoluminescent compound in a substantially transparent matrix;wherein the device is configured so that at least a portion of the light emitted from the display passes through the optical element, and the optical element shifts from a first wavelength to a second wavelength at least some of the light emitted from the display that passes through the optical element; andwherein the photoluminescent compound comprises at least one of an optionally substituted BODIPY, an optionally substituted BODIPY derivative, an optionally substituted rhodamine, an optionally substituted rhodamine derivative, an optionally substituted Nile red, an optionally substituted fluorescein, an optionally substituted 6-FAM phosphoramidite, an optionally substituted coumarin, an optionally substituted pyrromethene 605, and an optionally substituted perylene derivative dye. 2. The electronic device of claim 1, further comprising a touch screen component coupled to the optical element and the electronic display; wherein the touch screen component comprises: a first conductive layer, a second conductive layer, and a spacer between the first conductive layer and the second conductive layer, wherein the first conductive layer and the second conductive layer are substantially transparent;wherein the device is configured so that contact by a user to the touch screen can cause the first conductive layer to contact the second conductive layer to thereby allow current to flow between the first conductive layer and the second conductive layer; andwherein the device is configured so that at least a portion of the light emitted from the display passes through the touch screen component and passes through the optical element. 3. The electronic device of claim 2, wherein the touch screen component further comprises a first support layer, wherein the first conductive layer is disposed between the spacer and the first support layer. 4. The electronic device of claim 2, wherein the touch screen component further comprises a second support layer, wherein the second conductive layer is disposed between the spacer and the second support layer. 5. The electronic device of claim 2, wherein the touch screen component further comprises a first dielectric layer, wherein the first dielectric layer is disposed between the first conductive layer and the first support layer. 6. The electronic device of claim 2, wherein the touch screen component further comprises a second dielectric layer wherein the second dielectric layer is disposed between the second conductive layer and the second support layer. 7. The electronic device of claim 1, wherein the optical element absorbs light in a wavelength range near peak sensitivity for an M human cone photopigment and emits light of a longer wavelength in a wavelength range near peak sensitivity for an L human cone photopigment. 8. The electronic device of claim 7, wherein the optical element has a peak wavelength of visible absorption of about 510 nm to about 550 nm. 9. The electronic device of claim 8, wherein the optical element has a peak wavelength of visible emission of about 540 nm to about 580 nm. 10. The electronic device of claim 1, the optical element is configured to absorb and emit visible light so that when an image from the electronic display is viewed through the optical element, a first color having a first set of color coordinates is converted to a second color having a second set of color coordinates to aid in distinguishing colors; and the distance between the first set of color coordinates and the second set of color coordinates in the direction normal to a color confusion line nearest to the first set of color coordinates is at least about 0.02 color coordinate units. 11. The electronic device of claim 10, wherein the distance between the first set of color coordinates and the second set of color coordinates in the direction normal to a color confusion line nearest to the first set of color coordinates is at least about 0.04 color coordinate units. 12. The electronic device of claim 10, wherein the color confusion line is a deuteranopia color confusion line. 13. The electronic device of claim 12, wherein the color confusion line is deuteranopia color confusion line 7. 14. The electronic device of claim 12, wherein the color confusion line is deuteranopia color confusion line 8. 15. The electronic device of claim 12, wherein the color confusion line is deuteranopia color confusion line 9. 16. The electronic device of claim 10, wherein the first set of color coordinates is about (0.375-0.380, 0.485-0.490), about (0.4 75-0.480, 0.41 0-0.415), about (0.368-0.373, 0.485-0.490), or about (0.370-0.375, 0.460-0.465). 17. The electronic device of claim 10, wherein the first set of color coordinates is about (0.330-0.335, 0.340-0.345). 18. The electronic device of claim 10, wherein the first set of color coordinates is about (0.570-0.575, 0.340-0.345), about (0.475-0.480, 0.468-0.473), or about (0.565-0.570, 0.395-0.400). 19. The electronic device of claim 10, wherein the first set of color coordinates is about (0.510-0.515, 0.340-0.344), or about (0.480-0.485, 0.388-0.392). 20. The electronic device of claim 10, wherein the first set of color coordinates is about (0.290-0.295, 0.495-0.500). 21. The electronic device of claim 1, wherein the luminescent compound absorbs light at an absorption wavelength and emits light at an emission wavelength, wherein a human cone photopigment is substantially more sensitive to the emission wavelength than to the absorption wavelength. 22. The electronic device of claim 21, wherein the luminescent compound absorbs light at a wavelength that is less than maximally detected by a normal human cone middle-wavelength sensitive (M) photopigment and emits light at a wavelength that is detected to a substantially greater extent by the normal human cone M photopigment. 23. The electronic device of claim 21, wherein the luminescent compound absorbs light at a wavelength that is less than maximally detected by a variant human cone middle-wavelength sensitive (MV) photopigment and emits light at a wavelength that is detected to a substantially greater extent by the same human cone MV photopigment. 24. The electronic device of claim 21, wherein the luminescent compound absorbs light at a wavelength that is less than maximally detected by a normal human cone long-wavelength sensitive (L) photopigment and emits light at a wavelength that is detected to a substantially greater extent by the normal human cone L photopigment. 25. The electronic device of claim 21, wherein the luminescent compound absorbs light at a wavelength that is less than maximally detected by a variant human cone long-wavelength sensitive (LV) photopigment and emits light at a wavelength that is detected to a substantially greater extent by the same human cone LV photopigment. 26. The electronic device of claim 21, wherein the luminescent compound has an average wavelength of visible absorption of about 380 nm to about 450 nm. 27. The electronic device of claim 21, wherein the luminescent compound has an average wavelength of visible absorption of about 420 nm to about 480 nm. 28. The electronic device of claim 21, wherein the luminescent compound has an average wavelength of visible emission of about 500 nm to about 600 nm.
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