A display device includes a light source generating light and a thin film transistor array panel including a pixel electrode and a common electrode. The display includes an upper panel and a quantum rod layer positioned between the thin film transistor array panel and the upper panel. The display in
A display device includes a light source generating light and a thin film transistor array panel including a pixel electrode and a common electrode. The display includes an upper panel and a quantum rod layer positioned between the thin film transistor array panel and the upper panel. The display includes an upper polarizer attached outside of the upper panel, in which the quantum rod layer includes quantum rods, and an arrangement direction of the quantum rods is controlled by an electric field generated by the pixel electrode and the common electrode, light is polarized according to the controlled arrangement direction, and the polarizer controls the transmission degree of the polarized light from the quantum rods according to the arrangement direction of the quantum rods.
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1. A display device, comprising: a light source;a thin film transistor array panel comprising a pixel electrode and a common electrode;an upper panel;a quantum rod layer positioned between the thin film transistor array panel and the upper panel; anda polarizer attached outside of the upper panel, w
1. A display device, comprising: a light source;a thin film transistor array panel comprising a pixel electrode and a common electrode;an upper panel;a quantum rod layer positioned between the thin film transistor array panel and the upper panel; anda polarizer attached outside of the upper panel, wherein the quantum rod layer comprises quantum rods, and an arrangement direction of the quantum rods is controlled by an electric field generated by the pixel electrode and the common electrode in order to control a light quantity passing through the upper polarizer by changing an angle between the arrangement direction of the quantum rods and a transmissive axis of the polarizer,wherein the quantum rods comprise a first quantum rod, a second quantum rod, and a third quantum rod each having different thickness from each other,wherein each of the first, second, and third quantum rods has a long axis longer than an axis perpendicular to the long axis and is arranged along first, second, and third long axes, respectively, when the electric field is not applied,wherein light is polarized according to the controlled arrangement direction,wherein the first quantum rod is configured to polarize only light of a first wavelength range, in response to the applied electric field by rotating around a long axial direction of the first quantum rods,wherein the second quantum rod is configured to polarize only light of a second wavelength range different from the first wavelength range, in response to the applied electric field by rotating around a long axial direction of the second quantum rods, andwherein the polarizer is configured to control the transmission degree of the polarized light from the quantum rods according to the arrangement direction of the quantum rods. 2. The display device of claim 1, wherein the first quantum rod is configured to polarize red light, the second quantum rod is configured to polarize green light, and the third quantum rod is configured to polarize blue light. 3. The display device of claim 2, wherein the first quantum rod, the second quantum rod, and the third quantum rod are formed of different materials from each other. 4. The display device of claim 2, further comprising: a color filter configured to receive the red light polarized by the first quantum rod, the green light polarized by the second quantum rod, and the blue light polarized by the third quantum rod, and to pass through only a wavelength of a predetermined color. 5. The display device of claim 4, wherein: the quantum rod layer comprises a partition; andthe partition dividing a quantum rod layer corresponding to each pixel, and preventing the quantum rod from moving from a quantum rod layer corresponding to one pixel to a quantum rod layer corresponding to another pixel. 6. The display device of claim 1, wherein: the quantum rod layer is divided into a region corresponding to each pixel; andone region of the quantum rod layer of the region corresponding to each pixel comprises one of the first quantum rod, the second quantum rod, and the third quantum rod. 7. The display device of claim 6, wherein: the plurality of pixels comprises the quantum rod layer comprising a first region, a second region, and a third region corresponding to each pixel; andthe first region comprises the first quantum rod, the second region includes the second quantum rod, and the third region comprises the third quantum rod. 8. The display device of claim 7, wherein the first quantum rod is configured to polarize red light, the second quantum rod polarizes green light, and the third quantum rod is configured to polarize blue light. 9. The display device of claim 8, wherein the first quantum rod, the second quantum rod, and the third quantum rod are formed different materials from each other. 10. The display device of claim 8, wherein: the quantum rod layer comprises a partition; andthe partition is configured to divide the first region, the second region, and the third region, and to prevent the quantum rod of any one of the first region, the second region, and the third region from moving to other regions. 11. The display device of claim 10, wherein a color filter is not included. 12. The display device of claim 10, wherein the quantum rods of the first region, the second region, and the third region vary an arrangement direction for each region. 13. The display device of claim 1, wherein the quantum rod layer further comprises a plurality of liquid crystal molecules. 14. A method of manufacturing a display device, comprising: disposing a quantum rod layer between panels of a display device, the quantum rod layer comprising quantum rods, the quantum rods comprising a first quantum rod, a second quantum rod, and a third quantum rod having different thicknesses from each other;generating an electric field to control an arrangement direction of the quantum rods, wherein light is polarized according to the controlled arrangement direction, wherein each of the first, second, and third quantum rods has a long axis longer than an axis perpendicular to the long axis and is arranged along first, second, and third axes, respectively, when the electric field is not applied, wherein the first quantum rod polarizes only light of a first wavelength range, in response to the applied electric field by rotating around a long axial direction of the first quantum rods, wherein the second quantum rod polarizes only light of a second wavelength range different from the first wavelength range, in response to the applied electric field by rotating around a long axial direction of the second quantum rods; anddisposing a polarizer to control the transmission degree of the polarized light from the quantum rods according to the arrangement direction of the quantum rods. 15. A display device, comprising: a controller:a thin film transistor array panel comprising a pixel electrode and a common electrode;a quantum rod layer comprising quantum rods; anda polarizer configured to control the transmission degree of polarized light from the quantum rods according to the arrangement direction of the quantum rods;wherein the controller is configured to control an arrangement direction of the quantum rods by generating an electric field by the pixel electrode and the common electrode in order to control a light quantity passing through the upper polarizer by changing a transmission degree between the arrangement direction of the quantum rods and a transmissive axis of the polarizer,wherein the quantum rods comprises a first quantum rod, a second quantum rod, and a third quantum rod each having different thickness from each other,wherein each of the first, second, and third quantum rods has a long axis longer than an axis perpendicular to the long axis and is arranged along first, second, and third long axes, respectively, when the electric field is not applied,wherein the first quantum rod is configured to polarize only light of a first wavelength range, in response to the applied electric field by rotating around a long axial direction of the first quantum rods, andwherein the second quantum rod is configured to polarize only light of a second wavelength range different from the first wavelength range, in response to the applied electric field by rotating around a long axial direction of the second quantum rods.
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이 특허에 인용된 특허 (3)
Noh, Young Hoon, Display device using quantum dot.
Toko, Yasuo, Liquid crystal display device capable of low temperature use and having rod-shaped gold particles of nanometer order dispersed in the liquid crystal layer.
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