Light controlling apparatus, method of fabricating the light controlling apparatus, and transparent display device including the light controlling apparatus
US-2015378189-A1 · Dec 31, 2015 · US
Integrated quantum dot optical constructions
US2016003998A1 · US · A1
| Field | Value |
|---|---|
| Publication number | US-2016003998-A1 |
| Application number | US-201414766641-A |
| Country | US |
| Kind code | A1 |
| Filing date | Feb 4, 2014 |
| Priority date | Feb 8, 2013 |
| Publication date | Jan 7, 2016 |
| Grant date | — |
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Abstract
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An optical construction includes a quantum dot film element including a plurality of quantum dots, a first optical recycling element, and a first low refractive index element separating the quantum dot film element from the first optical recycling element. The first low refractive index element has a refractive index of 1.3 or less.
First claim
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1 . An optical construction comprising: a quantum dot film element comprising a plurality of quantum dots; a first optical recycling element; and a first low refractive index element separating the quantum dot film element from the first optical recycling element, the first low refractive index element having a refractive index of 1.3 or less. 2 . The optical construction of claim 1 , further comprising an LCD panel disposed on the first optical recycling element. 3 . The optical construction of claim 1 , further comprising an optical diffuser element disposed on the quantum dot film element. 4 . The optical construction of claim 1 , further comprising a second optical recycling element disposed on the quantum dot film element. 5 . The optical construction of claim 1 , further comprising a second low refractive index element separating the quantum dot film element from an optical element, the second low refractive index element having a refractive index of 1.25 or less. 6 . The optical construction of claim 5 , wherein the optical element is a second optical recycling element. 7 . The optical construction of claim 5 , wherein the optical element is a light guide element. 8 . The optical construction of claim 1 wherein the first optical recycling element comprises a reflective polarizer. 9 . The optical construction of claim 1 wherein the first optical recycling element comprises a microstructured brightness enhancing film. 10 . The optical construction of claim 6 wherein the second optical recycling element comprises a reflective polarizer. 11 . The optical construction of claim 1 wherein the first low refractive index element has a refractive index of 1.2 or less. 12 . The optical construction of claim 5 wherein the second low refractive index element has a refractive index of 1.2 or less. 13 . The optical construction of claim 1 wherein the optical construction is a unitary composite article. 14 . An optical construction comprising: a quantum dot film element comprising a plurality of quantum dots; a light reflecting element; and a first low refractive index element separating the quantum dot film element from the light reflecting element, the first low refractive index element having a refractive index of 1.25 or less. 15 . The optical construction of claim 14 wherein the light reflecting element is a diffuse light reflector. 16 . The optical construction of claim 14 wherein the light reflecting element is a specular light reflector. 17 . The optical construction of claim 14 wherein the low refractive index element has a refractive index of 1.2 or less. 18 . The optical construction of claim 14 wherein the optical construction is a unitary composite article. 19 . An optical construction comprising: a quantum dot film element comprising a plurality of quantum dots; a display panel; and a first low refractive index element separating the quantum dot film element from the display panel, the first low refractive index element having a refractive index of 1.25 or less. 20 . The optical construction of claim 19 wherein the display panel is a liquid crystal display panel.
Assignees
Inventors
Classifications
Illumination with ultraviolet light; Luminescent elements or materials associated to the cell · CPC title
- G02F1/133502Primary
Antiglare, refractive index matching layers · CPC title
Exhibiting three-dimensional carrier confinement, e.g. quantum dots · CPC title
Lens or lenticular sheet or layer · CPC title
- B82Y20/00Primary
Nanooptics, e.g. quantum optics or photonic crystals · CPC title
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Frequently asked questions
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- What does patent US2016003998A1 cover?
- An optical construction includes a quantum dot film element including a plurality of quantum dots, a first optical recycling element, and a first low refractive index element separating the quantum dot film element from the first optical recycling element. The first low refractive index element has a refractive index of 1.3 or less.
- Who is the assignee on this patent?
- 3M Innovative Properties Co
- What technology area does this patent fall under?
- Primary CPC classification G02F1/133502. Mapped technology areas include Physics.
- When was this patent published?
- Publication date Thu Jan 07 2016 00:00:00 GMT+0000 (Coordinated Universal Time) (A1). Legal status and post-grant events are not shown on this page.
- What related patents are in patentsdb?
- We list 8 related publications on this page (citations in our corpus or others sharing the same primary CPC).