Color filter and display panel using same

  • US 10,274,655 B2
  • Filed: 12/18/2014
  • Issued: 04/30/2019
  • Est. Priority Date: 09/30/2014
  • Status: Active Grant
First Claim
Patent Images

1. A display panel comprising:

  • a lighting device emitting a white light; and

    a color filter layer converting the white light to light with three-primary colors;

    wherein the color filter layer comprises a first filtering part, a second filtering part, and a third filtering part;

    a plurality of first quantum dot particles is formed in the first filtering part, a plurality of second quantum dot particles is formed in the second filtering part, and no quantum dots particle is formed in the third filtering part;

    the first filtering part only allows green light to pass through, the second filtering part only allows red light to pass through, the third filtering part only allows blue light to pass through;

    wherein the first filtering part comprises photoresist material;

    the plurality of first quantum dot particles is dispersed in the photoresist material; and

    wherein a density of the first quantum dot particles dispersed in the photoresist material near the lighting device is greater than a density of the first quantum dot particles dispersed in the photoresist material away from the lighting device.

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