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US-20260130101-A1 - DISPLAY APPARATUS

US20260130101A1US 20260130101 A1US20260130101 A1US 20260130101A1US-20260130101-A1

Abstract

According to one or more example embodiments, a display apparatus includes a substrate; a first light-emitting area, a second light-emitting area, and a third light-emitting area for emitting light of different colors; a light-emitting element disposed on the substrate; an encapsulation layer disposed on the light-emitting element; and a light control member disposed on the encapsulation layer between the first light-emitting area, the second light-emitting area, and the third light-emitting area, in which the light control member includes a first light control layer disposed on the encapsulation layer, a first insulating film disposed on the first light control layer, and a second light control layer disposed on the first insulating film.

Inventors

  • Yeonsuk KANG
  • Kisuk Kang

Assignees

  • LG DISPLAY CO., LTD.

Dates

Publication Date
20260507
Application Date
20250922
Priority Date
20241101

Claims (20)

  1. 1 . A display apparatus, comprising: a substrate; a first light-emitting area, a second light-emitting area, and a third light-emitting area for emitting light of different colors; a light-emitting element disposed on the substrate; an encapsulation layer disposed on the light-emitting element; and a light control member disposed on the encapsulation layer between the first light-emitting area, the second light-emitting area, and the third light-emitting area, wherein the light control member includes: a first light control layer disposed on the encapsulation layer; a first insulating film disposed on the first light control layer; and a second light control layer disposed on the first insulating film.
  2. 2 . The display apparatus of claim 1 , wherein the first light control layer and the second light control layer are formed of TiN.
  3. 3 . The display apparatus of claim 1 , wherein a thickness of the first light control layer ranges from 90 nm to 120 nm.
  4. 4 . The display apparatus of claim 1 , wherein light reflectivity in a thickness direction of the first light control layer is 30% or less.
  5. 5 . The display apparatus of claim 1 , wherein the second light control layer includes a plurality of patterns that are disposed sequentially in a first direction, patterned, and separated.
  6. 6 . The display apparatus of claim 5 , wherein: the plurality of patterns comprise: a first pattern disposed at a first end of the plurality of patterns in the first direction; and a second pattern disposed at a second end of the plurality of patterns in the first direction; each of the first pattern and the second pattern has a width in the first direction; and the width ranges from 30 nm to 70 nm or from 150 nm to 300 nm.
  7. 7 . The display apparatus of claim 6 , wherein light reflectivity of each of the first pattern and the second pattern is 35% or more.
  8. 8 . The display apparatus of claim 1 , wherein the second light control layer overlaps the first light control layer in a thickness direction.
  9. 9 . The display apparatus of claim 1 , wherein the light control member further includes a second insulating film disposed on the second light control layer, and a third light control layer disposed on the second insulating film.
  10. 10 . The display apparatus of claim 9 , wherein: the third light control layer includes a plurality of patterns that are disposed sequentially in a first direction, patterned, and separated; the plurality of patterns comprise: a first pattern disposed at a first end of the plurality of patterns in the first direction; and a second pattern disposed at a second end of the plurality of patterns in the first direction; each of the first pattern and the second pattern has a width in the first direction; and the width ranges from 30 nm to 70 nm or range from 150 nm to 300 nm.
  11. 11 . The display apparatus of claim 10 , wherein the light control member further includes a third insulating film disposed on the third light control layer.
  12. 12 . The display apparatus of claim 11 , further comprising an empty space defined by the third insulating film, wherein the empty space is disposed between the plurality of patterns.
  13. 13 . The display apparatus of claim 9 , further comprising an empty space defined by the second insulating film, wherein the second light control layer includes a plurality of patterns that are disposed sequentially in a first direction, patterned, and separated, and wherein the empty space is disposed between the plurality of patterns.
  14. 14 . The display apparatus of claim 1 , further comprising a color filter layer disposed on the encapsulation layer, wherein the color filter layer covers the light control member.
  15. 15 . The display apparatus of claim 14 , wherein the color filter layer includes a plurality of color filters configured to transmit light of different colors, and wherein the light control member is disposed between the plurality of color filters.
  16. 16 . A display apparatus, comprising: a substrate; a light-emitting area for emitting light of different colors and a non-light-emitting area disposed around the light-emitting area; a light-emitting element disposed on the substrate; an encapsulation layer disposed on the light-emitting element; a first light control layer disposed on the encapsulation layer in the non-light-emitting area; and a color filter layer disposed on the encapsulation layer and covering the first light control layer, wherein the first light control layer is formed of TiN.
  17. 17 . The display apparatus of claim 16 , wherein a thickness of the first light control layer ranges from 90 nm to 120 nm.
  18. 18 . The display apparatus of claim 17 , wherein light reflectivity in a thickness direction of the first light control layer is 30% or less.
  19. 19 . The display apparatus of claim 16 , further comprising a first insulating film disposed on the first light control layer, and a second light control layer disposed on the first insulating film, wherein the second light control layer includes a plurality of patterns that are disposed sequentially in a first direction, patterned, and separated.
  20. 20 . The display apparatus of claim 19 , wherein: the second light control layer is formed of TiN; the plurality of patterns comprise: a first pattern disposed at a first end of the plurality of patterns in the first direction; and a second pattern disposed at a second end of the plurality of patterns in the first direction; each of the first pattern and the second pattern has a width in the first direction; and the width ranges from 30 nm to 70 nm or ranges from 150 nm to 300 nm.

Description

CROSS-REFERENCE TO RELATED APPLICATION The present application claims the benefit of and priority to Korean Patent Application No. 10-2024-0153201, filed Nov. 1, 2024, the entire contents of which are incorporated herein by reference for all purposes. BACKGROUND 1. Technical Field The present disclosure relates to a display apparatus. 2. Description of Related Art As the information society develops, various demands for display apparatuses for displaying images are increasing, and various types of display apparatuses, such as a liquid crystal display (LCD) apparatus and an organic light-emitting diode (OLED) display apparatus, are being utilized. Among the display apparatuses, there is an advantage in that the OLED display apparatus as the self-luminous type has a wider viewing angle and a higher contrast ratio, and can be lighter and thinner and has lower power consumption than the LCD apparatus because it does not require a separate backlight. In addition, there is an advantage in that the OLED display apparatus can drive at a low voltage, have a fast response time, and especially have the inexpensive manufacturing cost. Recently, demand for a display apparatus that requires augmented reality (AR), virtual reality (VR), or equivalent ultra-high resolution using such an OLED display apparatus is increasing. The description of related art should not be considered prior art merely because it is mentioned in or associated with this section. The description of related art includes information that describes one or more aspects of the subject technology, and the description in this section does not limit the scope of the invention. SUMMARY The inventors of the present disclosure have recognized the problems and needs of the related art, have performed extensive research and experiments, and have developed a new invention. One or more aspects of the present disclosure are directed to an apparatus that substantially obviates one or more problems due to limitations and disadvantages of the related art. In one or more aspects, the present disclosure is directed to providing a display apparatus in which it is possible to suppress or prevent color mixing between adjacent pixels. In one or more aspects, the present disclosure is also directed to providing a display apparatus in which it is possible to suppress or prevent degradation of uniformity and luminance according to a viewing angle. In one or more aspects, the present disclosure is also directed to providing a display apparatus in which it is possible to suppress or prevent an abnormal light-emitting phenomenon due to light reflection of a black matrix. Aspects of the present disclosure are not limited to the above-described aspects, and other technical aspects may be inferred from the following example embodiments. According to one or more example embodiments of the present disclosure, there is provided a display apparatus including: a substrate; a first light-emitting area, a second light-emitting area, and a third light-emitting area for emitting light of different colors; a light-emitting element disposed on the substrate; an encapsulation layer disposed on the light-emitting element; and a light control member disposed on the encapsulation layer between the first light-emitting area, the second light-emitting area, and the third light-emitting area, in which the light control member includes a first light control layer disposed on the encapsulation layer, a first insulating film disposed on the first light control layer, and a second light control layer disposed on the first insulating film. According to one or more example embodiments of the present disclosure, there is provided a display apparatus including a substrate, a light-emitting area for emitting light of different colors and a non-light-emitting area disposed around the light-emitting area, a light-emitting element disposed on the substrate, an encapsulation layer disposed on the light-emitting element, a first light control layer disposed on the encapsulation layer in the non-light-emitting area, and a color filter layer disposed on the encapsulation layer and covering the first light control layer, in which the first light control layer is formed of TiN. Additional description of one or more example embodiments are included in the detailed description and accompanying drawings. According to one or more example embodiments of the present disclosure, it is possible to suppress or prevent light color mixing between adjacent pixels. According to one or more example embodiments of the present disclosure, it is possible to suppress or prevent degradation of uniformity and luminance according to a viewing angle. According to one or more example embodiments of the present disclosure, it is possible to suppress or prevent an abnormal light-emitting phenomenon due to light reflection of the black matrix. According to one or more example embodiments of the present disclosure, it is possible to suppress o