Display Device with Quantum Dot Phosphor and Manufacturing Method Thereof
First Claim
1. A display device, comprising:
- an illumination unit having a light-emitting chip and a plurality of quantum dot phosphors, wherein the light-emitting chip emits light to excite the quantum dot phosphors to generate a color light, the color light has an optical spectrum having a first blue peak, a first green peak, and a first red peak, and at each peak value each peak has a respective wavelength, including a first blue peak wavelength, a first green peak wavelength, and a first red peak wavelength; and
a color filter, disposed in a light path of the illumination unit, for filtering the color light, wherein a transmittance spectrum of the color filter has a second blue peak, a second green peak, and a second red peak, and at each peak value each peak has a respective wavelength, including a second blue peak wavelength, a second green peak wavelength, and a second red peak wavelength;
wherein a ratio of the first blue peak wavelength to the second blue peak wavelength is between 0.96 and 1.04, a ratio of the first green peak wavelength to the second green peak wavelength is between 0.95 and 1.05, a ratio of the first red peak wavelength to the second red peak wavelength is between 0.82 and 1.21.
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Accused Products
Abstract
A display device and a method of manufacturing the same are provided. The display device includes an illuminate unit and a color filter. The illuminate unit has a light-emitting chip and a plurality of quantum dot phosphors for generating a color light which has an optical spectrum including the first blue peak wavelength, a first green peak wavelength, and a first red peak wavelength. The color filter is disposed in the light path of the color light, wherein the color filter has a transmittance spectrum having a second blue peak wavelength, a second green peak wavelength, and a second red peak wavelength. The first blue peak wavelength, the first green peak wavelength, and the first red peak wavelength respectively match the second blue peak wavelength, the second green peak wavelength, and the second red peak wavelength in order to enhance the color performance of the display device.
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Citations
21 Claims
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1. A display device, comprising:
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an illumination unit having a light-emitting chip and a plurality of quantum dot phosphors, wherein the light-emitting chip emits light to excite the quantum dot phosphors to generate a color light, the color light has an optical spectrum having a first blue peak, a first green peak, and a first red peak, and at each peak value each peak has a respective wavelength, including a first blue peak wavelength, a first green peak wavelength, and a first red peak wavelength; and a color filter, disposed in a light path of the illumination unit, for filtering the color light, wherein a transmittance spectrum of the color filter has a second blue peak, a second green peak, and a second red peak, and at each peak value each peak has a respective wavelength, including a second blue peak wavelength, a second green peak wavelength, and a second red peak wavelength; wherein a ratio of the first blue peak wavelength to the second blue peak wavelength is between 0.96 and 1.04, a ratio of the first green peak wavelength to the second green peak wavelength is between 0.95 and 1.05, a ratio of the first red peak wavelength to the second red peak wavelength is between 0.82 and 1.21. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10)
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11. A manufacturing method of a display device, comprising:
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providing a color filter having a plurality of color resists, wherein the transmittance spectrum of the color filter has a second blue peak, a second green peak, and a second red peak, and at each peak value each peak has a respective wavelength, including a second blue peak wavelength, a second green peak wavelength, and a second red peak wavelength; providing an illumination unit having a light-emitting chip and a plurality of quantum dot phosphors, wherein the light-emitting chip emits light to excite the quantum dot phosphors to generate a color light, the color light has an optical spectrum having a first blue peak, a first green peak, and a first red peak, and at each peak value each peak has a respective wavelength, including a first blue peak wavelength, a first green peak wavelength, and a first red peak wavelength; and adjusting the transmittance spectrum of the color filter in a manner that a ratio of the first blue peak wavelength to the second blue peak wavelength is between 0.96 and 1.04, a ratio of the first green peak wavelength to the second green peak wavelength is between 0.95 and 1.05, and a ratio of the first red peak wavelength to the second red peak wavelength is between 0.82 and 1.21. - View Dependent Claims (12, 13)
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14. A manufacturing method of a display device, comprising:
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providing a color filter having a plurality of color resists, wherein the transmittance spectrum of the color filter has a second blue peak, a second green peak, and a second red peak, and at each peak value each peak has a respective wavelength, including a second blue peak wavelength, a second green peak wavelength, a second red peak wavelength; providing an illumination unit having a light-emitting chip and a plurality of quantum dot phosphors, wherein the light-emitting chip emits light to excite the quantum dot phosphors to generate a color light, the color light has an optical spectrum having a first blue peak, a first green peak, and a first red peak, the first blue peak, and at each peak value each peak has a respective wavelength, including a first blue peak wavelength, a first green peak wavelength, and a first red peak wavelength; and adjusting the optical spectrum of the color light in a manner that a ratio of the first blue peak wavelength to the second blue peak wavelength is between 0.96 and 1.04, a ratio of the first green peak wavelength to the second green peak wavelength is between 0.95 and 1.05, and a ratio of the first red peak wavelength to the second red peak wavelength is between 0.82 and 1.21. - View Dependent Claims (15, 16, 17)
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18. A display device, comprising:
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an illumination unit having a light-emitting chip and a plurality of quantum dot phosphors, wherein the light-emitting chip emits light to excite the quantum dot phosphors to generate a color light, the color light has an optical spectrum having a first blue peak, a first green peak, and a first red peak, and at each peak value each peak has a respective wavelength, including a first blue peak wavelength, a first green peak wavelength, and a first red peak wavelength; and a color filter, disposed in a light path of the illumination unit, for filtering the color light, wherein a transmittance spectrum of the color filter has a second blue peak, a second green peak, and a second red peak, and at each peak value each peak has a respective wavelength, including a second blue peak wavelength, a second green peak wavelength, and a second red peak wavelength; wherein the first blue peak wavelength, the first green peak wavelength, and the red peak wavelength respectively match with the second blue peak wavelength, the second green peak wavelength, and the second red peak wavelength. - View Dependent Claims (19, 20, 21)
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Specification