Polarization member and display apparatus including the same

US9658374B2 · US · B2

Patent metadata
FieldValue
Publication numberUS-9658374-B2
Application numberUS-201514697280-A
CountryUS
Kind codeB2
Filing dateApr 27, 2015
Priority dateDec 2, 2014
Publication dateMay 23, 2017
Grant dateMay 23, 2017

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  1. Title

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  2. Abstract

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  3. Assignees and inventors

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  4. Key dates

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  5. First independent claim

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  6. CPC / IPC classifications

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  7. Citations and related patents

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Abstract

Official abstract text for this publication.

A first polarizing member includes a polarizing layer, a phase difference layer and an infrared reflective layer. The polarizing layer linearly polarizes light and emits polarized light. The phase difference layer changes a polarization state of the polarized light. The infrared reflective layer is interposed between the polarization layer and the phase difference layer, wherein the polarized light passes through the infrared reflective layer and infrared rays are reflected from the infrared reflective layer.

First claim

Opening claim text (preview).

What is claimed is: 1. A polarizing member, comprising: a polarizing layer which linearly polarizes light and emits polarized light; a phase difference layer which changes a polarization state of the polarized light; and an infrared reflective layer interposed between the polarization layer and the phase difference layer; a first primer layer interposed between the infrared reflective layer and the phase difference layer, wherein the infrared reflective layer is attached to the phase difference layer through the first primer layer; and a second primer layer interposed between the infrared reflective layer and the polarizing layer, wherein the infrared reflective layer is attached to the polarizing layer through the second primer layer, wherein the polarized light passes through the infrared reflective layer and infrared rays are reflected from the infrared reflective layer, and wherein the infrared reflective layer is attached to the polarizing layer and the phase difference layer. 2. The polarizing member of claim 1 , further comprising: a pressure sensitive adhesive layer disposed on any one of the first primer layer and the second primer layer. 3. The polarizing member of claim 1 , further comprising: a pressure sensitive adhesive layer interposed between the polarizing layer and the second primer layer. 4. The polarizing member of claim 1 , wherein the phase difference layer includes a liquid crystal compound. 5. A display device, comprising: a display panel configured to emit light to display an image; a polarizing member disposed on the display panel, and configured to polarize light emitted from the display panel; wherein the polarizing member includes: a polarizing layer which linearly polarize the light and emit polarized light; a phase difference layer which changes a polarization state of the polarized light; and an infrared reflective layer interposed between the polarization layer and the phase difference layer, wherein the polarized light passes through the infrared reflective layer and infrared rays are reflected from the infrared reflective layer; and a first primer layer interposed between the infrared reflective layer and the phase difference layer, wherein the infrared reflective layer is attached to the phase difference layer through the first primer layer; and a second primer layer interposed between the infrared reflective layer and the polarizing layer, wherein the infrared reflective layer is attached to the polarizing layer through the second primer layer, and wherein the polarizing layer, the phase difference layer and the infrared reflective layer are laminated without having a gap therebetween. 6. The display device of claim 5 , further comprising: a pressure sensitive adhesive layer disposed on any one of the first primer layer and the second primer layer. 7. The display device of claim 5 , further comprising: a pressure sensitive adhesive layer interposed between the polarizing layer and the second primer layer. 8. The display device of claim 5 , wherein the phase difference layer includes a liquid crystal compound. 9. A display device, comprising: a display panel configured to emit light to display an image; a polarizing member disposed on the display panel, and configured to polarize light emitted from the display panel; wherein the polarizing member includes: a polarizing layer which linearly polarizes the light and emit polarized light; a phase difference layer which changes a polarization state of the polarized light; an infrared reflective layer interposed between the polarizing layer and the phase difference layer, wherein the polarized light passes through the infrared reflection layer and infrared rays are reflected from the infrared reflective layer; and a first primer layer interposed between the infrared reflective layer and the phase difference layer, wherein the infrared reflective layer is attached to the phase difference layer through the first primer layer; and a second primer layer interposed between the infrared reflective layer and the polarizing layer, wherein the infrared reflective layer is attached to the polarizing layer through the second primer layer; and a surface treatment coating layer disposed on the phase difference layer, wherein the phase difference layer is interposed between the surface treatment coating layer and the infrared reflective layer, and wherein the surface treatment coating layer is in direct contact with the phase difference layer. 10. The display device of claim 9 , further comprising: a pressure sensitive adhesive layer disposed on any one of the first primer layer and the second primer layer. 11. The display device of claim 9 , further comprising: a pressure sensitive adhesive layer interposed between the polarizing layer and the second primer layer. 12. The display device of claim 9 , wherein the phase difference layer includes a liquid crystal compound. 13. The display device of claim 1 , wherein the polarizing layer, the phase difference layer and the infrared reflective layer are laminated without having a gap therebetween. 14. The display device of claim 5 , wherein the infrared reflective layer is attached to the polarizing layer and the phase difference layer.

Assignees

Inventors

Classifications

  • Polarisers · CPC title

  • for use with infrared or ultraviolet radiation, e.g. for separating visible light from infrared and/or ultraviolet radiation · CPC title

  • Antiglare, refractive index matching layers · CPC title

  • Adhesive materials or arrangements · CPC title

  • in the form of a thin sheet or foil, e.g. Polaroid · CPC title

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What does patent US9658374B2 cover?
A first polarizing member includes a polarizing layer, a phase difference layer and an infrared reflective layer. The polarizing layer linearly polarizes light and emits polarized light. The phase difference layer changes a polarization state of the polarized light. The infrared reflective layer is interposed between the polarization layer and the phase difference layer, wherein the polarized l…
Who is the assignee on this patent?
Samsung Display Co Ltd
What technology area does this patent fall under?
Primary CPC classification G02B5/26. Mapped technology areas include Physics.
When was this patent published?
Publication date Tue May 23 2017 00:00:00 GMT+0000 (Coordinated Universal Time) (B2). Legal status and post-grant events are not shown on this page.
What related patents are in patentsdb?
We list 4 related publications on this page (citations in our corpus or others sharing the same primary CPC).