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Display device and lighting apparatus

  • US 10,546,979 B2
  • Filed: 10/25/2018
  • Issued: 01/28/2020
  • Est. Priority Date: 05/31/2017
  • Status: Active Grant
First Claim
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1. A display device, comprising:

  • a light source, comprising;

    a base plate;

    a light emitting unit disposed on the base plate, the light emitting unit having a first top surface and a first bottom surface, and the first bottom surface being adjacent to the base plate and opposite to the first top surface; and

    a light converting component covering the light emitting unit, the light converting component having a second top surface, the first top surface being located between the second top surface and the base plate, and the light converting component comprising a light converting layer comprising a plurality of light converting elements,wherein a distance between the first top surface and the second top surface in a direction perpendicular to the base plate is defined as h,wherein, above the first top surface, a region of the light converting component from the first top surface to 0.01 h is defined as a first region with a first sulfur content, a region of the light converting component from the 0.01 h to 0.99 h is defined as a second region with a second sulfur content, and a region of the light converting component from the 0.99 h to the second top surface is defined as a third region with a third sulfur content,wherein the first sulfur content is less than the second sulfur content, and the first sulfur content is less than the third sulfur content,wherein the light converting component further comprises an encapsulation layer, the encapsulation layer is disposed between the light converting layer and the base plate, and the display device further comprises a first diffusion film disposed between the light converting layer and the encapsulation layer,wherein the display device further comprises at least one pin disposed between the first diffusion film and the base plate.

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