×

Display device and lighting apparatus

  • US 10,497,842 B2
  • Filed: 08/31/2017
  • Issued: 12/03/2019
  • Est. Priority Date: 05/31/2017
  • Status: Active Grant
First Claim
Patent Images

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 adjacent to the base plate and opposite to the first top surface; and

    an encapsulation layer covering the light emitting unit, the encapsulation layer having a second top surface, the first top surface located between the second top surface and the base plate, and the encapsulation layer comprising a plurality of light converting elements and a sulfur based dispersant,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 encapsulation layer from the first top surface to 0.01 h is defined as a first region with a first sulfur content, a region of the encapsulation layer from the 0.01 h to 0.5 h is defined as a second region with a second sulfur content, and a region of the encapsulation layer from the 0.5 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, the first sulfur content is less than the third sulfur content, and the second sulfur content is less than the third sulfur content.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×