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US 10,705,374 B2Granted
Optical member, display device including the same, and method of manufacturing the optical member
AssigneeSamsung Display Co., Ltd.
InventorsSang Won Lee, Seong Yong Hwang, Tae Gil Kang, Sung Hoon Kim, Eun Guk Lee
Life of this patent
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Abstract
An optical member including a light guide plate, a low refractive layer disposed on an upper surface of the light guide plate and having a lower refractive index than the light guide plate, a wavelength conversion layer disposed on the low refractive layer, a passivation layer disposed on the wavelength conversion layer and covering a side surface of the wavelength conversion layer and a side surface of the low refractive layer, and an optical pattern formed on a lower surface of the light guide plate.
Claims17
An optical member, comprising:
- a light guide plate;
- a low refractive layer disposed on an upper surface of the light guide plate and having a lower refractive index than the light guide plate;
- a wavelength conversion layer disposed on the low refractive layer;
- a passivation layer disposed on the wavelength conversion layer and covering a side surface of the wavelength conversion layer and a side surface of the low refractive layer;
- and
- an optical pattern formed on a lower surface of the light guide plate,
- wherein:
- a portion of the passivation layer directly contacts the upper surface of the light guide plate and does not overlap the low refractive layer in a direction perpendicular to the upper surface of the light guide plate;
- and
- the side surface of the wavelength conversion layer and a side surface of the passivation layer are inclined relative to the upper surface of the light guide plate.
7 more elements
A display device, comprising:
- a light guide plate;
- a low refractive layer disposed on an upper surface of the light guide plate and having a lower refractive index than the light guide plate;
- a wavelength conversion layer disposed on the low refractive layer;
- a passivation layer disposed on the wavelength conversion layer and covering a side surface of the wavelength conversion layer and a side surface of the low refractive layer;
- an optical member including an optical pattern disposed on a lower surface of the light guide plate;
- a light source disposed at one or more sides of the light guide plate;
- and
- a display panel disposed over the optical member,
- wherein:
- a portion of the passivation layer is in direct contact with the upper surface of the light guide plate and does not overlap the low refractive layer in a direction perpendicular to the upper surface of the light guide plate;
- and
- the side surface of the wavelength conversion layer and a side surface of the passivation layer are inclined relative to the upper surface of the light guide plate.
9 more elements
Dependencies are inferred from the claim text.