Display device

Abstract

There is provided a display device including: a display panel divided into a plurality of light-emitting regions in which a plurality of light-emitting elements are arranged and a non-light-emitting region adjacent to the plurality of light-emitting regions; and a color filter layer disposed on the display panel. The color filter layer includes: a plurality of filter portions overlapping the plurality of light emitting regions, respectively, and in which color filters of a single type are arranged, respectively; and a blocking portion overlapping the non-emission region, and in which the at least two color filters overlap. The barrier has a thickness of about 3.0 [mu] m to about 10.0 [mu] m and an optical density of about 3.0 or greater.

Description

Technical Field

[0001] The present disclosure relates to display devices, and more particularly, to display devices with reduced light reflection. Background Art

[0002] Various display devices, such as those used in multimedia devices such as televisions, mobile phones, tablet computers, and portable game consoles, are being developed. The display device may include various optical functional layers for providing a user with a color image of excellent quality.

[0003] Meanwhile, in order to realize various types of display devices (such as display devices including a bent surface, rollable display devices, or foldable display devices), thin display devices have recently been studied. By including optical functional layers including various functions, the number of optical functional layers can be reduced and a thin display device can be realized. Summary of the invention

[0004] The present disclosure provides a display device having improved light characteristics by reducing external light reflection and improving display efficiency.

[0005] An embodiment of the inventive concept provides a display device, comprising: a display panel divided into a plurality of light-emitting areas in which a plurality of light-emitting elements are arranged and a non-light-emitting area adjacent to the plurality of light-emitting areas; and a color filter layer arranged on the display panel. The color filter layer comprises: a plurality of filter portions, the plurality of filter portions respectively overlapping the plurality of light-emitting areas, and a single type of color filter is respectively arranged therein; and a blocking portion, the blocking portion overlapping the non-light-emitting area, and at least two color filters overlap. The blocking portion has a thickness of about 3.0 μm to about 10.0 μm and an optical density of about 3.0 or more.

[0006] In an embodiment, the color filter layer may include a first color filter transmitting a first color light, a second color filter transmitting a second color light, and a third color filter transmitting a third color light.

[0007] In an implementation, the blocking part may be formed by stacking a portion of the first color filter and a portion of the third color filter.

[0008] In an implementation, the barrier may have an optical density of about 3.0 to about 5.0.

[0009] In an implementation, the first color filter disposed in the barrier may have a thickness of about 2.0 μm to about 4.5 μm, and the third color filter disposed in the barrier may have a thickness of about 1.0 μm to about 3.0 μm.

[0010] In an implementation, the blocking part may be formed by stacking a portion of each of the first color filter, the second color filter, and the third color filter.

[0011] In an implementation, the barrier may have an optical density of about 4.0 to about 5.0.

[0012] In an embodiment, the first color filter arranged in the barrier may have a thickness of about 1.0 μm to about 3.0 μm, the second color filter arranged in the barrier may have a thickness of about 2.0 μm to about 4.0 μm, and the third color filter arranged in the barrier may have a thickness of about 1.0 μm to about 3.0 μm.

[0013] In an implementation, the first color filter may include a first pigment, the second color filter may include a second pigment, and the third color filter may include a third pigment.

[0014] In an implementation, each of the first color filter, the second color filter, and the third color filter may further include a diffuser.

[0015] In an implementation, the color filter layer may further include an overcoat layer covering the first color filter, the second color filter, and the third color filter.

[0016] In an implementation, one color filter among the first color filter, the second color filter, and the third color filter may be disposed in each of the plurality of filter parts.

[0017] In an implementation, reflectivity of the blocking part to external light may be about 0.1 or less.

[0018] In an embodiment, each of the plurality of light emitting elements may emit a first color light, and on a plane, the display device may be divided into a first pixel region, a second pixel region, and a third pixel region, the first pixel region emitting a second color light different from the first color light, the second pixel region emitting a third color light different from the first color light and the second color light, and the third pixel region emitting the first color light.

[0019] In an embodiment, the display device may further include a light control layer arranged between the display panel and the color filter layer, wherein the light control layer may include: a first light control unit overlapping the first pixel area and converting the first color light into the second color light; a second light control unit overlapping the second pixel area and converting the first color light into the third color light; and a third light control unit overlapping the third pixel area and transmitting the first color light.

[0020] In an embodiment, the display device may further include a low refractive layer disposed between the light control layer and the color filter layer, and an anti-reflective layer disposed on the color filter layer.

[0021] In an embodiment of the present inventive concept, a display device includes: a display panel divided into a plurality of light-emitting areas in which a plurality of light-emitting elements are arranged and a non-light-emitting area adjacent to the plurality of light-emitting areas; a light-control layer arranged on the display panel; and a color filter layer arranged on the light-control layer. The color filter layer includes: a plurality of filter portions, the plurality of filter portions overlap with the plurality of light-emitting areas, respectively, and a single type of color filter is arranged therein, respectively; and a blocking portion, the blocking portion overlaps with the non-light-emitting area and at least two color filters overlap therein. The blocking portion has an optical density of about 3.0 to about 5.0.

[0022] In an embodiment, the color filter layer may include a first color filter transmitting a first color light, a second color filter transmitting a second color light, and a third color filter transmitting a third color light.

[0023] In an implementation, the barrier may be formed by stacking a portion of the first color filter and a portion of the third color filter, and the barrier may have a thickness of about 3.0 μm to about 7.5 μm.

[0024] In an implementation, reflectivity of the blocking part to external light may be about 0.1 or less. BRIEF DESCRIPTION OF THE DRAWINGS

[0025] The accompanying drawings are included to provide a further understanding of the inventive concept and are incorporated in and constitute a part of this specification. The accompanying drawings illustrate exemplary embodiments of the inventive concept and together with the description serve to explain the principles of the inventive concept. In the drawings:

[0026] Figure 1 is a perspective view illustrating a display device according to an embodiment of the inventive concept;

[0027] Figure 2 is a cross-sectional view of a display device according to an embodiment of the inventive concept;

[0028] Figure 3 is a plan view of a display panel according to an embodiment of the inventive concept;

[0029] Figure 4 is an enlarged plan view illustrating a portion of a display area in a display device according to an embodiment of the inventive concept;

[0030] Figure 5A is along Figure 4 A cross-sectional view of the display device taken along line II-II';

[0031] Figure 5B yes Figure 5A An enlarged view of area AA';

[0032] Fig. 6A is along Figure 4 A cross-sectional view of a display device according to an embodiment of the inventive concept taken along line II-II';

[0033] Figure 6B yes Fig. 6A An enlarged view of area BB';

[0034] Figure 7 is a cross-sectional view of a display device according to an embodiment of the inventive concept;

[0035] Figure 8 is a cross-sectional view of a display device according to an embodiment of the inventive concept;

[0036] Fig.9A , Fig. 9B and Fig. 9C It is shown that it depends on Figure 5A A graph of optical density and reflectivity as a function of thickness of the first color filter illustrated in FIG.

[0037] Fig. 10A , Fig. 10B and Fig. 10C It is shown that it depends on Figure 5A A graph of optical density and reflectivity as a function of thickness of the second color filter illustrated in FIG.

[0038] Fig.11A , Fig. 11B and Fig. 11C It is shown that it depends on Figure 5A A graph of optical density and reflectivity of the thickness of the third color filter illustrated in FIG.

[0039] Fig. 12A , Fig. 12B and Fig. 12C It is shown that it depends on Figure 5A and Fig. 6A A graph of optical density and reflectivity as a function of barrier thickness is shown in FIG. DETAILED DESCRIPTION

[0040] The inventive concept can be modified in many alternative forms, and therefore will be illustrated in the drawings and specific embodiments will be described in detail in the detailed description. However, it should be understood that this is not intended to necessarily limit the inventive concept to the specific form disclosed, but is intended to cover all modifications, equivalents and alternative forms that fall within the spirit and scope of the inventive concept.

[0041] In this specification, when a component (or region, layer, part, etc.) is referred to as being "on" another component, "connected to" another component, or "coupled to" another component, this means that the one component can be directly arranged on / directly connected to / directly coupled to another component, or a third component can be arranged between one component and the other component.

[0042] Throughout the specification and drawings, similar reference numerals may refer to similar components. Although each of the drawings may represent one or more specific embodiments of the present disclosure drawn to scale, so that relative lengths, thicknesses, and angles can be inferred therefrom, it is to be understood that the present invention is not necessarily limited to the relative lengths, thicknesses, and angles shown. For example, these values ​​may be changed within the spirit and scope of the present disclosure to allow for manufacturing limitations, etc.

[0043] It will be understood that although the terms "first", "second", etc. may be used herein to describe various elements, these elements should not necessarily be limited by these terms. These terms are used to distinguish one element from another element. For example, without departing from the scope of the present invention, a first component may be referred to as a second component, and similarly, a second component may be referred to as a first component. Terms in the singular may include plural forms unless the context clearly indicates otherwise.

[0044] In addition, terms such as "below", "on the lower part of", "above", and "on the upper part of" are used to describe the relationship of the configurations shown in the drawings. The terms are used as relative concepts and are described with reference to the directions indicated in the drawings.

[0045] Hereinafter, embodiments of the inventive concept will be described with reference to the accompanying drawings.

[0046] Figure 1 is a perspective view illustrating a display device according to an embodiment of the inventive concept. Figure 2 is a cross-sectional view of a display device according to an embodiment of the inventive concept. Figure 2 is along Figure 1 A cross-sectional view taken along line II'.

[0047] The display device DD of the embodiment may be a device that is activated according to an electrical signal. For example, the display device DD may be a large-sized device such as a television, a computer monitor, or an outdoor digital billboard. In addition, the display device DD may be a small or medium-sized device such as a personal computer, a laptop computer, a personal digital terminal, a car navigation system, a game console, a smart phone, a tablet computer, or a camera. However, these are presented only as examples, and therefore the display device DD may be adopted in other electronic devices without departing from the concept of the present invention.

[0048] The display device DD may be rigid or flexible. The term "flexible" means having a bendable property. For example, a flexible display device DD may include a bendable device, a rollable device, or a foldable device.

[0049] The first direction DR1, the second direction DR2, and the third direction DR3 described in this specification are relative concepts and can be converted into other directions. In addition, the directions (for example, thickness directions, etc.) indicated by the first direction DR1, the second direction DR2, and the third direction DR3, respectively, can be described as the first direction DR1, the second direction DR2, and the third direction DR3, and the same reference numerals can be used. In this specification, the first direction DR1 and the second direction DR2 are orthogonal to each other, and the third direction DR3 can be a normal direction relative to a plane defined by the first direction DR1 and the second direction DR2.

[0050] The display device DD may have a thickness direction along a third direction DR3. In the present specification, the front surface (or top surface) and the rear surface (or bottom surface) of the component of the display device DD may be defined relative to the third direction DR3. For example, the front surface (or top surface) and the rear surface (or bottom surface) of each of the plurality of components constituting the display device DD may be arranged to be opposite to each other along the third direction DR3, and the normal direction of each of the front surface and the rear surface may be parallel to the third direction DR3. The spacing distance between the front surface and the rear surface defined along the third direction DR3 may be the thickness of the component.

[0051] In the present specification, "on a plane" or "in a plan view" may be defined as a state when viewed along the third direction DR3. In the present specification, "on a cross section" may be defined as a state when viewed along the first direction DR1 or the second direction DR2. Meanwhile, the directions indicated by the first direction DR1, the second direction DR2, and the third direction DR3 may be relative concepts and thus may be converted into other directions.

[0052] The display device DD may display an image (or video) through a display surface IS. The display surface IS may include a plane defined by a first direction DR1 and a second direction DR2. The display surface IS may include a display area DA and a non-display area NDA. In the display area DA, a plurality of pixels PXU may be arranged, and in the non-display area NDA, the pixels PXU may not be arranged. The non-display area NDA may be defined by an edge of the display surface IS. For example, the non-display area NDA may surround the display area DA. However, embodiments of the present invention are not necessarily limited thereto, and in embodiments of the present invention, the non-display area NDA may be omitted or arranged only on one side of the display area DA.

[0053] The pixel PXU may define pixel rows and pixel columns. The pixel PXU may include a plurality of pixels providing light beams having different colors.

[0054] In the embodiments of the present invention, a display device DD having a flat display surface IS is illustrated, but the embodiments of the present invention are not necessarily limited thereto. For example, the display device DD may include a curved display surface or a three-dimensional display surface. The three-dimensional display surface may include a plurality of display areas indicating different directions.

[0055] refer to Figure 2 , the display device DD conceived by the present invention may include a display panel DP and a light control panel OP arranged on the display panel DP. The display panel DP may include a base substrate BS, a circuit layer DP-CL, and a display layer DP-ED stacked in sequence along a third direction DR3. For example, the circuit layer DP-CL may be between the base substrate BS and the display layer DP-ED. The light control panel OP may be arranged on the display layer DP-ED. For example, the light control panel OP may be directly arranged on the display layer DP-ED so that the bottom surface of the light control panel OP contacts the top surface of the display layer DP-ED.

[0056] In the specification, one component being "directly arranged / directly formed" on another component means that a third component is not arranged between the one component and the other component. That is, one component being "directly arranged / directly formed" on another component means that one component is "in contact" with the other component.

[0057] In an embodiment, the charge layer may be arranged between the display panel DP and the light control panel OP. For example, the display panel DP and the light control panel OP may be spaced apart from each other with the charge layer therebetween. In this case, the light control panel OP may be manufactured in a separate process and then may be provided on the display panel DP.

[0058] In an embodiment of the inventive concept, the display panel DP may be referred to as a lower panel or a lower display substrate, and the light control panel OP may be referred to as an upper panel or an upper display substrate.

[0059] In the display device DD of the embodiment, the base substrate BS may be a supporting substrate on which the circuit layer DP-CL and the display layer DP-ED are provided. The circuit layer DP-CL may include an insulating layer and / or a circuit element. For example, the circuit element may include a signal line, a pixel driving circuit, etc. The circuit layer DP-CL may be formed by the following processes: a formation process of an insulating layer, a semiconductor layer, and a conductive layer by coating, deposition, etc.; and a patterning process of an insulating layer, a semiconductor layer, and a conductive layer by a photolithography process.

[0060] The display layer DP-ED may include a display element. The display device DD may include a light emitting element that generates light and provides the light to the light control panel OP. The display panel DP including the display layer DP-ED may provide source light to the light control panel OP disposed thereon.

[0061] The light control panel OP may convert the wavelength of light provided from the display panel DP or transmit a portion of the provided light. The light control panel OP may include a light control part that converts the wavelength or transmits the light and a structure for increasing conversion efficiency of the emitted light.

[0062] Figure 3 is a plan view of a display panel according to an embodiment of the inventive concept. Figure 3 The planar arrangement of the signal lines and the pixels PX11 to PXnm is illustrated. The signal lines may include a plurality of gate lines GL1 to GLn and a plurality of data lines DL1 to DLm, where m and n are integers greater than 0.

[0063] Each of the pixels PX11 to PXnm is connected to a corresponding gate line among a plurality of gate lines GL1 to GLn and a corresponding data line among a plurality of data lines DL1 to DLm. Each of the pixels PX11 to PXnm may include a pixel driving circuit and a display element. According to the configuration of the pixel driving circuit of the pixels PX11 to PXnm, more types of signal lines may be provided in the display panel DP.

[0064] Figure 3 The pixels PX11 to PXnm are exemplarily illustrated as being arranged in a matrix form, but the embodiments of the inventive concept are not necessarily limited thereto. Arrange to arrange, where It is an arrangement of light emitting areas manufactured by SAMSUNG. For example, the points at which the pixels PX11 to PXnm are arranged may correspond to the vertices of the rhombus. The gate drive circuit GDC may be integrated in the display panel DP by an oxide silicon gate driver circuit (OSG) process or an amorphous silicon gate driver circuit (ASG) process.

[0065] Figure 4 is an enlarged plan view illustrating a portion of a display area in a display device according to an embodiment of the inventive concept.

[0066] refer to Figure 4 , the plurality of pixels PXU may be arranged along the first direction DR1 and the second direction DR2. The pixel PXU may include a first pixel, a second pixel, and a third pixel that emit light beams in different wavelength regions. The first pixel, the second pixel, and the third pixel may emit red light, green light, and blue light, respectively. Figure 4The first pixel region PXA-R, the second pixel region PXA-G, and the third pixel region PXA-B, which represent the first pixel, the second pixel, and the third pixel, respectively, are illustrated. The first pixel region PXA-R may be a region where light generated in the first pixel is provided to the outside, the second pixel region PXA-G may be a region where light generated in the second pixel is provided to the outside, and the third pixel region PXA-B may be a region where light generated in the third pixel is provided to the outside. The first pixel region PXA-R, the second pixel region PXA-G, and the third pixel region PXA-B may be separated from each other in a plan view without overlapping.

[0067] In an embodiment of the present invention, the first pixel region PXA-R may be a red light emission region that emits red light, the second pixel region PXA-G may be a green light emission region that emits green light, and the third pixel region PXA-B may be a blue light emission region that emits blue light. However, embodiments of the present invention are not necessarily limited thereto, and the display area DA may further include a pixel region that emits white light in addition to the first pixel region PXA-R, the second pixel region PXA-G, and the third pixel region PXA-B.

[0068] The peripheral area NPXA may at least partially surround each of the first pixel area PXA-R, the second pixel area PXA-G, and the third pixel area PXA-B. As used herein, the phrase "at least partially surrounding" is understood to mean that the surrounding element contacts the surrounded element on at least one side or a portion thereof, can contact the surrounded element on both sides, whether the sides are opposite sides or close to the side, can contact the surrounded element on more than two sides, and can even completely surround the surrounded element. The peripheral area NPXA may be arranged between the first pixel area PXA-R, the second pixel area PXA-G, and the third pixel area PXA-B. The peripheral area NPXA may set the boundaries of the first pixel area PXA-R, the second pixel area PXA-G, and the third pixel area PXA-B, and may prevent color mixing between the first pixel area PXA-R, the second pixel area PXA-G, and the third pixel area PXA-B. A structure to prevent color mixing between the first pixel area PXA-R, the second pixel area PXA-G, and the third pixel area PXA-B may be disposed in the peripheral area NPXA.

[0069] although Figure 4 exemplarily illustrates a display device DD including a first pixel region PXA-R, a second pixel region PXA-G, and a third pixel region PXA-B having the same planar shape and different planar areas (see FIG. Figure 1), but the embodiments of the present inventive concept are not necessarily limited thereto. For example, the areas of the first pixel region PXA-R, the second pixel region PXA-G, and the third pixel region PXA-B may all be the same, or the area of ​​at least one type of pixel region may be different from the areas of other types of pixel regions. The areas of the first pixel region PXA-R, the second pixel region PXA-G, and the third pixel region PXA-B may be set according to the luminous color.

[0070] refer to Figure 4 , the first pixel region PXA-R, the second pixel region PXA-G, and the third pixel region PXA-B may have a rectangular shape in a plan view. However, embodiments of the inventive concept are not necessarily limited thereto, and the first pixel region PXA-R, the second pixel region PXA-G, and the third pixel region PXA-B may have various polygonal shapes (substantially polygonal shapes) in a plan view, such as a rhombus or a pentagon. For example, the first pixel region PXA-R, the second pixel region PXA-G, and the third pixel region PXA-B may have a rectangular shape (substantially a rectangular shape) whose corner regions are rounded in a plan view.

[0071] although Figure 4 It is exemplarily illustrated that the second pixel region PXA-G is arranged in the first row, and the first pixel region PXA-R and the third pixel region PXA-B are arranged in the second row, but the arrangement of the first pixel region PXA-R, the second pixel region PXA-G, and the third pixel region PXA-B is not necessarily limited thereto, and various changes may be made. For example, the first pixel region PXA-R, the second pixel region PXA-G, and the third pixel region PXA-B may be arranged in the same row.

[0072] The first pixel region PXA-R, the second pixel region PXA-G, and the third pixel region PXA-B may be arranged in a stripe shape, or may be arranged in a or Diamond However, the embodiments of the present inventive concept are not necessarily limited thereto, and may be implemented according to the display device DD (see Figure 1 ) provide the arrangement order and arrangement form of the first pixel area PXA-R, the second pixel area PXA-G and the third pixel area PXA-B in various combinations according to the characteristics of the display quality required in the embodiment.

[0073] Figure 5A is along Figure 4 A cross-sectional view of the display device taken along line II-II'. Figure 5B yes Figure 5A Magnified view of area AA'.

[0074] refer to Figure 5A, the display device DD may include a display panel DP and a light control panel OP arranged on the display panel DP. To the extent that an element is not described in detail, it can be assumed that the element is at least similar to a corresponding element already described in the previous figures.

[0075] The display panel DP may include a base substrate BS, a circuit layer DP-CL arranged on the base substrate BS, and a display layer DP-ED arranged on an upper portion of the circuit layer DP-CL. For example, the circuit layer DP-CL may be interposed between the base substrate BS and the display layer DP-ED. The light control panel OP may include a light control layer CCL arranged on an upper portion of the display layer DP-ED, and a color filter layer CFL arranged on an upper portion of the light control layer CCL.

[0076] The base substrate BS may be a member providing a base surface on which the circuit layer DP-CL is arranged. The base substrate BS may include a single layer or a plurality of layers. For example, the base substrate BS may include a three-layer structure consisting of a polymer resin layer, an adhesive layer, and a polymer resin layer. For example, the polymer resin layer may include a polyimide resin. In addition, the polymer resin layer may include at least one of an acrylic resin, a methacrylic resin, a polyisoprene resin, a vinyl resin, an epoxy resin, a urethane resin, a cellulose resin, a siloxane resin, a polyamide resin, and a perylene resin.

[0077] In the specification, polyimide resin means a functional group including polyimide. The same description can be applied to acrylic resin, methacrylic resin, polyisoprene resin, vinyl resin, epoxy resin, urethane resin, cellulose resin, siloxane resin, polyamide resin and perylene resin.

[0078] The circuit layer DP-CL may include a lower buffer layer BRL disposed on an upper portion of the base substrate BS, a first insulating layer 10 disposed on the lower buffer layer BRL, a second insulating layer 20 disposed on an upper portion of the first insulating layer 10, and a third insulating layer 30 disposed on an upper portion of the second insulating layer 20. For example, the second insulating layer 20 may be interposed between the first insulating layer 10 and the third insulating layer 30. For example, the lower buffer layer BRL, the first insulating layer 10, and the second insulating layer 20 may be inorganic layers, and the third insulating layer 30 may be an organic layer.

[0079] In addition, the circuit layer DP-CL may include a transistor TD. The transistor TD may include an active area AD, a source area SD, a drain area DD, and a gate area GD. The active area AD, the source area SD, the drain area DD, and the gate area GD may be areas divided according to the doping concentration or conductivity of the semiconductor pattern. The active area AD, the source area SD, and the drain area DD may be arranged on the upper portion of the lower buffer layer BRL, and the gate area GD may be arranged on the upper portion of the first insulating layer 10. The transistor TD may be a switching transistor or a driving transistor for driving the light emitting element ED of the display layer DP-ED. However, this is exemplary, and the transistor TD is not necessarily limited thereto.

[0080] The display layer DP-ED may include a pixel defining film PDL and a light emitting element ED, and the pixel opening OH is defined in the pixel defining film PDL. The light emitting element ED may include a first electrode AE ​​exposed in the pixel opening OH, a second electrode CE facing the first electrode AE, and an emission layer EML arranged between the first electrode AE ​​and the second electrode CE. The light emitting element ED may also include a hole transport region HCL arranged between the first electrode AE ​​and the emission layer EML and an electron transport region ECL arranged between the emission layer EML and the second electrode CE. The hole transport region HCL may include at least one of a hole injection layer, a hole transport layer, and an electron blocking layer. The electron transport region ECL may include at least one of an electron injection layer, an electron transport layer, and a hole blocking layer.

[0081] The first electrode AE ​​may be an anode or a cathode. The first electrode AE ​​may be a pixel electrode. The first electrode AE ​​may be a transmissive electrode, a transflective electrode, or a reflective electrode. The second electrode CE may be a common electrode. The second electrode CE may be a cathode or an anode, but the embodiments of the present invention are not necessarily limited thereto. For example, when the first electrode AE ​​is an anode, the second electrode CE may be a cathode, and when the first electrode AE ​​is a cathode, the second electrode CE may be an anode. The second electrode CE may be a transmissive electrode, a transflective electrode, or a reflective electrode.

[0082] The emission layer EML may emit a first color light. For example, the emission layer EML may generate blue light. The emission layer EML may generate light in a wavelength region of about 410 nm to about 480 nm. Figure 5A The light emitting element ED including one emission layer EML is illustrated, but the light emitting element ED may include a plurality of emission layers. For example, the light emitting element ED may be a light emitting element in a tandem structure.

[0083] The emission layer EML may include a fluorescent material or a phosphorescent material. For example, the emission layer EML may include an anthracene derivative, a pyrene derivative, a fluoranthene derivative, a chrysene derivative, a dihydrobenzanthracene derivative, or a triphenylene derivative. In addition, the emission layer EML may include an organic metal complex as a light-emitting material.

[0084] Figure 5A The emission layer EML is illustrated as being provided as a common layer and overlapping with the first pixel region PXA-R, the second pixel region PXA-G, the third pixel region PXA-B, and the peripheral region NPXA. In the current embodiment, the first pixel region PXA-R, the second pixel region PXA-G, the third pixel region PXA-B, and the peripheral region NPXA may be respectively referred to as the first light-emitting region PXA-R, the second light-emitting region PXA-G, the third light-emitting region PXA-B, and the non-light-emitting region NPXA defined in the display device DD. In some embodiments, the emission layer EML may be patterned in the pixel opening OH and overlap with each of the first light-emitting region PXA-R, the second light-emitting region PXA-G, and the third light-emitting region PXA-B, and may not overlap with the non-light-emitting region NPXA.

[0085] The pixel opening OH of the pixel defining film PDL may expose at least a portion of the first electrode AE. The pixel defining film PDL may overlap with the non-luminous area NPXA, and may not overlap with the first luminous area PXA-R, the second luminous area PXA-G, and the third luminous area PXA-B. The pixel defining film PDL may include an organic material. For example, the pixel defining film PDL may be optically transparent. The pixel defining film PDL may have a transmittance of about 85% or more for light in a wavelength region of about 380 nm to about 780 nm.

[0086] In this specification, the term "overlap" of two components is not necessarily limited to the case of having the same area and the same shape in a plan view, but also includes a case in which the two components have different areas and / or different shapes.

[0087] The display layer DP-ED may include a thin film encapsulation layer TFE that protects the second electrode CE. The thin film encapsulation layer TFE may include an organic material or an inorganic material. The thin film encapsulation layer TFE may have a multilayer structure in which inorganic layers and organic layers are alternately placed. In an embodiment of the inventive concept, the thin film encapsulation layer TFE may include a first inorganic encapsulation layer IOL1, an organic encapsulation layer OL, and a second inorganic encapsulation layer IOL2. The first inorganic encapsulation layer IOL1 and the second inorganic encapsulation layer IOL2 may protect the light emitting element ED from external moisture, and the organic encapsulation layer OL may prevent pit defects of the light emitting element ED caused by foreign matter introduced during the manufacturing process. The display panel DP may also include a refractive index control layer above the thin film encapsulation layer TFE and increase the light output efficiency.

[0088] The light control layer CCL may be arranged on the display layer DP-ED. The light control layer CCL may include a light converter. For example, the light converter may be a quantum dot, a phosphor, etc. The light converter may release light by converting the wavelength of light. For example, the light control layer CCL may be a layer including quantum dots or a layer including a phosphor.

[0089] The light control layer CCL may include a plurality of light control parts. The plurality of light control parts may be spaced apart from each other. The light control layer CCL may include a first light control part CCP1 that converts a first color light provided in the light emitting element ED into a second color light, a second light control part CCP2 that converts the first color light into a third color light, and a third light control part CCP3 that transmits the first color light.

[0090] The light-control layer CCL may include a bank BK disposed between adjacent pairs of the first light-control part CCP1, the second light-control part CCP2, and the third light-control part CCP3. The plurality of banks BK may be spaced apart from each other. Figure 3 The diagram shows that the bank BK does not overlap with the first light control part CCP1, the second light control part CCP2, and the third light control part CCP3, but in some embodiments, a portion of the edge of the first light control part CCP1, the second light control part CCP2, and the third light control part CCP3 may overlap with the bank BK.

[0091] The bank BK may include a base resin and an additive. The base resin may be formed of various resin compositions that may be generally referred to as a binder. The additive may include a coupling agent and / or a photoinitiator. The additive may also include a dispersant.

[0092] The bank BK may include a black colorant for shielding light. For example, the bank BK may include a black pigment and a black dye mixed in a base resin. For example, the black component may include carbon black or a metal such as chromium or an oxide thereof.

[0093] The light control layer CCL may further include a first barrier layer BFL1 and a second barrier layer BFL2. The first barrier layer BFL1 may prevent the penetration of moisture and / or oxygen (hereinafter referred to as "moisture / oxygen"). The first barrier layer BFL1 may be arranged on the first light control part CCP1, the second light control part CCP2, and the third light control part CCP3, and block the first light control part CCP1, the second light control part CCP2, and the third light control part CCP3 from being exposed to moisture / oxygen. The second barrier layer BFL2 may be provided on the first light control part CCP1, the second light control part CCP2, and the third light control part CCP3. The first barrier layer BFL1 and the second barrier layer BFL2 may each at least partially cover the bottom surface and the top surface of the first light control part CCP1, the second light control part CCP2, and the third light control part CCP3, respectively. Figure 5A A structure in which the light-controlling layer CCL includes the first barrier layer BFL1 and the second barrier layer BFL2 is exemplarily illustrated, but embodiments of the present inventive concept are not necessarily limited thereto For example, the second barrier layer BFL2 may be omitted.

[0094] Each of the first barrier layer BFL1 and the second barrier layer BFL2 may include at least one inorganic layer. For example, each of the first barrier layer BFL1 and the second barrier layer BFL2 may include an inorganic material. For example, each of the first barrier layer BFL1 and the second barrier layer BFL2 may include silicon nitride, aluminum nitride, zirconium nitride, titanium nitride, hafnium nitride, tantalum nitride, silicon oxide, aluminum oxide, titanium oxide, tin oxide, cerium oxide, silicon oxynitride, a metal film ensuring light transmittance, etc. At the same time, each of the first barrier layer BFL1 and the second barrier layer BFL2 may also include an organic film. Each of the first barrier layer BFL1 and the second barrier layer BFL2 may be composed of a single layer or a plurality of layers.

[0095] The color filter layer CFL may be disposed on the light control layer CCL. The color filter layer CFL may include a plurality of color filters and an overcoat layer OC at least partially covering the plurality of color filters.

[0096] The color filter layer CFL may include a first color filter CF1 transmitting a second color light, a second color filter CF2 transmitting a third color light, and a third color filter CF3 transmitting a first color light. For example, the first color filter CF1 may be a red filter, the second color filter CF2 may be a green filter, and the third color filter CF3 may be a blue filter. Each of the first color filter CF1, the second color filter CF2, and the third color filter CF3 may include a polymerized photosensitive resin and a pigment or dye. The first color filter CF1 may include a red pigment or dye, the second color filter CF2 may include a green pigment or dye, and the third color filter CF3 may include a blue pigment or dye. However, embodiments of the inventive concept are not necessarily limited thereto, and the third color filter CF3 may not include a pigment or dye. The third color filter CF3 may include a polymerized photosensitive resin, and may not include a pigment or dye. The third color filter CF3 may be transparent. The third color filter CF3 may be formed of a transparent photosensitive resin. For example, a portion of the third color filter CF3 may include a blue pigment or dye, and another portion may be formed of a transparent photosensitive resin.

[0097] The first color filter CF1, the second color filter CF2, and the third color filter CF3 may be arranged in the same layer, corresponding to the first light-emitting area PXA-R, the second light-emitting area PXA-G, and the third light-emitting area PXA-B, respectively. For example, the first color filter CF1, the second color filter CF2, and the third color filter CF3 may be arranged in the light control layer CCL, corresponding to the first light-emitting area PXA-R, the second light-emitting area PXA-G, and the third light-emitting area PXA-B, respectively. When measured from the top surface of the light control layer CCL in the first light-emitting area PXA-R, the second light-emitting area PXA-G, and the third light-emitting area PXA-B, respectively, the first color filter CF1, the second color filter CF2, and the third color filter CF3 may have substantially the same height. In addition, the height measured from the top surface where the third color filter CF3 overlaps with the non-light-emitting area NPXA may be different from the height measured from the top surface where the third color filter CF3 overlaps with the third light-emitting area PXA-B. For example, the top surface of the portion of the third color filter CF3 overlapping the non-emission area NPXA may be arranged at a higher level than the top surface of the portion of the third color filter CF3 overlapping the third emission area PXA-B. However, embodiments of the inventive concept are not necessarily limited thereto and may be used in conjunction with Figure 5AUnlike the configuration illustrated in FIG, each of the first color filter CF1 and the second color filter CF2 may have substantially the same height in the first light-emitting area PXA-R and the second light-emitting area PXA-G, and in the third light-emitting area PXA-B, the height of the third color filter CF3 may be different from the height of the first color filter CF1 and the height of the second color filter CF2. For example, the height of the third color filter CF3 overlapping the third light-emitting area PXA-B may be relatively higher than the heights of the first color filter CF1 and the second color filter CF2 overlapping the first light-emitting area PXA-R and the second light-emitting area PXA-G, respectively.

[0098] According to an embodiment of the inventive concept, the color filter layer CFL may include a filter portion FLP overlapping the first light emitting area PXA-R, the second light emitting area PXA-G, and the third light emitting area PXA-B and having one of the first color filter CF1, the second color filter CF2, and the third color filter CF3 arranged therein, and a blocking portion BLP overlapping the non-light emitting area NPXA and having at least two of the first color filter CF1, the second color filter CF2, and the third color filter CF3 arranged therein. For example, the filter portion FLP may include a first filter portion FLP1 corresponding to the first color filter CF1 arranged in the first light emitting area PXA-R, a second filter portion FLP2 corresponding to the second color filter CF2 arranged in the second light emitting area PXA-G, and a third filter portion FLP3 corresponding to the third color filter CF3 arranged in the third light emitting area PXA-B.

[0099] The blocking portion BLP may be defined (or configured) by at least two color filters arranged in the non-luminescent area NPXA. For example, the blocking portion BLP may correspond to the arranged first color filter CF1 and overlap with the non-luminescent area NPXA and the third color filter CF3 arranged on the first color filter CF1. In an embodiment of the present invention, the blocking portion BLP may include only a structure in which the first color filter CF1 and the third color filter CF3 are stacked in sequence. Alternatively, according to the process of processing the first color filter CF1 and the third color filter CF3, the blocking portion BLP may include a structure in which the third color filter CF3 and the first color filter CF1 are stacked in sequence. However, the embodiments of the present invention are not necessarily limited thereto, and the blocking portion BLP may include a structure in which the second color filter CF2 and the third color filter CF3 are stacked.

[0100] According to an embodiment of the inventive concept, each of the first color filter CF1, the second color filter CF2, and the third color filter CF3 may include a scatterer. The scatterer may be an inorganic particle. For example, the scatterer may include titanium dioxide (TiO 2 )、ZnO、Al2O32 O 3 ), silicon dioxide (SiO 2 ) and at least one of hollow silica. The scatterer may include TiO 2 、ZnO、Al 2 O 3 、SiO 2 and hollow silica, or may be TiO 2 、ZnO、Al 2 O 3 、SiO 2 and a mixture of at least two materials selected from hollow silica.

[0101] The outer coating layer OC may cover the front surface of the display panel DP and protect the display panel DP. The outer coating layer OC may have a thickness of about 1 μm to about 15 μm. The outer coating layer OC may at least partially cover the first color filter CF1, the second color filter CF2, and the third color filter CF3, and may be an organic layer for protecting the first color filter CF1, the second color filter CF2, and the third color filter CF3. The outer coating layer OC may include a photocurable organic material or a thermosetting organic material. However, embodiments of the present inventive concept are not necessarily limited thereto, and the outer coating layer OC may include an inorganic material. The outer coating layer OC may have a high light absorptivity for a specific wavelength range. For example, the outer coating layer OC may include a pigment or dye having a high light absorptivity for a specific wavelength range. When the outer coating layer OC includes a pigment, the outer coating layer OC may include about 1 wt% to about 50 wt% of the pigment based on the total weight of the outer coating layer OC.

[0102] Figure 5B is an enlarged view of a barrier portion BLP according to an embodiment of the inventive concept. Figure 5B , in the blocking part BLP, the first color filter CF1 and the third color filter CF3 may be stacked in sequence. According to an embodiment of the inventive concept, the thickness Th4 of the blocking part BLP may be the same as the sum of the thickness Th1 of the first color filter CF1 and the thickness Th3 of the third color filter CF3 arranged in the blocking part BLP. For example, the thickness Th4 of the blocking part BLP may be about 3.0μm to about 10.0μm. For example, the thickness Th4 of the blocking part BLP may be about 3.0μm to about 7.5μm. The thickness Th1 of the first color filter CF1 may be about 2.0μm to about 4.5μm, and the thickness Th3 of the third color filter CF3 may be about 1.0μm to about 3.0μm.

[0103] The barrier portion BLP may have an optical density of about 3.0 to about 5.0. In addition, the reflectivity of the barrier portion BLP to external light may be about 0.1 or less. Details thereof will be described later.

[0104] Fig. 6A is along Figure 4 1 is a cross-sectional view of a display device according to an embodiment of the inventive concept, specifically, a display device DDa, taken along line II-II′. Figure 6B yes Fig. 6A To the extent that an element is not described in detail, it can be assumed that the element is at least similar to a corresponding element already described in a previous figure.

[0105] The light control panel OPa may include a light control layer CCL and a color filter layer CFLa arranged on an upper portion of the light control layer CCL. The first color filter CF1a, the second color filter CF2a, and the third color filter CF3a arranged in the color filter layer CFLa may be arranged in the same layer, corresponding to the first light emitting area PXA-R, the second light emitting area PXA-G, and the third light emitting area PXA-B, respectively. For example, the first color filter CF1a, the second color filter CF2a, and the third color filter CF3a may be arranged on the light control layer CCL, corresponding to the first light emitting area PXA-R, the second light emitting area PXA-G, and the third light emitting area PXA-B, respectively. The first color filter CF1a, the second color filter CF2a, and the third color filter CF3a may have the same height measured from the top surface of the light control layer CCL in the first light emitting area PXA-R, the second light emitting area PXA-G, and the third light emitting area PXA-B, respectively. In addition, the height measured from the top surface of the portion of the third color filter CF3a overlapping the non-light emitting area NPXA may be different from the height measured from the top surface of the portion of the third color filter CF3a overlapping the third light emitting area PXA-B. The top surface of the portion of the third color filter CF3a overlapping the non-light emitting area NPXA may be higher than the top surface of the portion of the third color filter CF3a overlapping the third light emitting area PXA-B. However, embodiments of the inventive concept are not necessarily limited thereto and are not limited to the above. Fig. 6A Different from the configuration shown in FIG. 1 , the height of the third color filter CF3a overlapping the third light-emitting region PXA-B may be relatively higher than the heights of the first and second color filters CF1a and CF2a overlapping the first and second light-emitting regions PXA-R and PXA-G, respectively.

[0106] According to an embodiment of the inventive concept, the color filter layer CFLa may include a filter portion FLPa overlapping the first light emitting area PXA-R, the second light emitting area PXA-G, and the third light emitting area PXA-B and having one of the first color filter CF1a, the second color filter CF2a, and the third color filter CF3a arranged in the filter portion FLPa, and a blocking portion BLPa overlapping the non-light emitting area NPXA and having at least two of the first color filter CF1a, the second color filter CF2a, and the third color filter CF3a arranged in the blocking portion BLPa. For example, the filter portion FLPa may include a first filter portion FLP1a corresponding to the first color filter CF1a arranged in the first light emitting area PXA-R, a second filter portion FLP2a corresponding to the second color filter CF2a arranged in the second light emitting area PXA-G, and a third filter portion FLP3a corresponding to the third color filter CF3a arranged in the third light emitting area PXA-B.

[0107] The blocking portion BLPa may be defined (or configured) by the first color filter CF1a, the second color filter CF2a, and the third color filter CF3a arranged in the non-luminous area NPXA. For example, the blocking portion BLPa may correspond to the arranged first color filter CF1a, the second color filter CF2a, and the third color filter CF3a, and overlap with the non-luminous area NPXA. For example, the blocking portion BLPa may be a component corresponding to the second color filter CF2a overlapping the non-luminous area NPXA, the first color filter CF1a arranged on the second color filter CF2a, and the third color filter CF3a arranged on the first color filter CF1a. In an embodiment of the inventive concept, the blocking portion BLPa may include only a structure in which the second color filter CF2a, the first color filter CF1a, and the third color filter CF3a are stacked in sequence. However, a stacking order of the first, second, and third color filters CF1a, CF2a, and CF3a formed on the blocking part BLPa may vary according to a process of processing the first, second, and third color filters CF1a, CF2a, and CF3a.

[0108] Figure 6B is an enlarged view of a barrier portion BLPa according to an embodiment of the present inventive concept. Figure 6B, in the blocking part BLPa, the second color filter CF2a, the first color filter CF1a and the third color filter CF3a may be stacked in sequence. According to an embodiment of the inventive concept, the thickness Th4a of the blocking part BLPa may be the same as the sum of the thickness Th2a of the second color filter CF2a, the thickness Th1a of the first color filter CF1a and the thickness Th3a of the third color filter CF3a arranged in the blocking part BLPa. For example, the thickness Th4a of the blocking part BLPa may be about 3.0 μm to about 10.0 μm. For example, the thickness Th4a of the blocking part BLPa may be about 4.0 μm to about 10.0 μm. The thickness Th1a of the first color filter CF1a may be about 1.0 μm to about 3.0 μm, the thickness Th2a of the second color filter CF2a may be about 2.0 μm to about 4.0 μm, and the thickness Th3a of the third color filter CF3a may be about 1.0 μm to about 3.0 μm.

[0109] The blocking portion BLPa may have an optical density of about 4.0 to about 5.0. In addition, the reflectivity of the blocking portion BLPa to external light may be about 0.1 or less. Details thereof will be described later.

[0110] Figure 7 is a cross-sectional view of a display device according to an embodiment of the inventive concept. Figure 8 is a cross-sectional view of a display device according to an embodiment of the present invention. Figure 7 and Figure 8 The components in the display device DDb and the display device DDc are described in more detail. To the extent that an element is not described in detail, it can be assumed that the element is at least similar to a corresponding element already described in the previous figures.

[0111] refer to Figure 7 , the light control panel OPb may include a light control layer CCLa and a color filter layer CFL arranged on an upper portion of the light control layer CCLa. The light control layer CCLa may include a first light control part CCP1a including first quantum dots QD1 that convert the first color light provided from the light emitting element ED into the second color light, a second light control part CCP2a including second quantum dots QD2 that convert the first color light into the third color light, and a third light control part CCP3a that transmits the first color light.

[0112] In an embodiment of the present inventive concept, the first light control part CCP1a may provide red light as the second color light, and the second light control part CCP2a may provide green light as the third color light. The third light control part CCP3a may provide blue light by transmitting blue light as the first color light provided from the light emitting element ED. For example, the first quantum dot QD1 may be a red quantum dot, and the second quantum dot QD2 may be a green quantum dot.

[0113] Both the first quantum dot QD1 and the second quantum dot QD2 can have a core-shell structure, and the core of each of the first quantum dot QD1 and the second quantum dot QD2 can be selected from II-VI group compounds, III-VI group compounds, I-III-VI group compounds, III-V group compounds, IV-VI group compounds, IV group elements, IV group compounds and combinations thereof.

[0114] The II-VI compound may be selected from the group consisting of: a binary compound selected from the group consisting of cadmium selenide (CdSe), cadmium telluride (CdTe), cadmium sulfide (CdS), zinc sulfide (ZnS), zinc selenide (ZnSe), zinc telluride (ZnTe), zinc oxide (ZnO), mercury sulfide (HgS), mercury selenide (HgSe), mercury telluride (HgTe), magnesium selenide (MgSe), magnesium sulfide (MgS), and mixtures thereof. The raw materials are cadmium selenide sulfide (CdSeS), cadmium selenide telluride (CdSeTe), cadmium sulfide telluride (CdSTe), zinc selenide sulfide (ZnSeS), zinc selenide telluride (ZnSeTe), zinc sulfide telluride (ZnSTe), mercury selenide sulfide (HgSeS), mercury selenide telluride (HgSeTe), mercury sulfide telluride (HgSTe), cadmium zinc sulfide (CdZnS), cadmium zinc selenide (CdZnSe), cadmium zinc tellur ... nTe), mercury cadmium sulfide (CdHgS), mercury cadmium selenide (CdHgSe), mercury cadmium telluride (CdHgTe), mercury zinc sulfide (HgZnS), mercury zinc selenide (HgZnSe), mercury zinc telluride (HgZnTe), magnesium zinc selenide (MgZnSe), magnesium zinc sulfide (MgZnS) and mixtures thereof, and a ternary compound selected from the group consisting of mercury zinc telluride sulfide (HgZnTeS), cadmium zinc sulfide selenide (CdZ A quaternary compound selected from the group consisting of: cadmium zinc telluride and selenide (CdZnSeS), cadmium zinc telluride and selenide (CdZnSeTe), cadmium zinc telluride and sulfide (CdZnSTe), cadmium mercury selenide and sulfide (CdHgSeS), cadmium mercury selenide and selenide (CdHgSeTe), cadmium mercury sulfide and telluride (CdHgSTe), mercury zinc selenide and sulfide (HgZnSeS), mercury zinc selenide and telluride (HgZnSeTe), mercury zinc sulfide and telluride (HgZnSTe) and mixtures thereof.

[0115] The III-VI compounds may include, for example, indium trisulfide (In 2 S 3 ) and indium triselenide (In 2 Se 3 ) and binary compounds such as indium gallium sulfide (InGaS 3 ), InGaSe 3 ) or any combination thereof.

[0116] Group I-III-VI semiconductor compounds may include, for example, silver indium sulfide (AgInS), silver indium disulfide (AgInS 2 ), copper indium sulfide (CuInS), copper indium disulfide (CuInS 2 ), silver gallium sulfide (AgGaS 2 ), copper gallium sulfide (CuGaS 2 ), copper gallium oxide (CuGaO 2 ), silver gallium oxide (AgGaO 2 ), silver aluminum oxide (AgAlO 2 ) or any combination thereof.

[0117] The III-V compound may be selected from the group consisting of: a binary compound selected from the group consisting of gallium nitride (GaN), gallium phosphide (GaP), gallium arsenide (GaAs), gallium antimonide (GaSb), aluminum nitride (AlN), aluminum phosphide (AlP), aluminum arsenide (AlAs), aluminum antimonide (AlSb), indium nitride (InN), indium phosphide (InP), indium arsenide (InAs), indium antimonide (InSb), and mixtures thereof; a binary compound selected from the group consisting of gallium phosphide nitride (GaNP), gallium arsenide nitride (GaNAs), gallium antimonide nitride (GaNSb), gallium arsenide phosphide (GaPAs), gallium antimonide phosphide (GaPSb), aluminum phosphide nitride (AlNP), aluminum arsenide nitride (AlNAs), aluminum antimonide nitride (AlNSb), aluminum arsenide phosphide (AlPAs), aluminum antimonide phosphide (AlPSb), indium gallium phosphide (InGaP), indium aluminum phosphide (InAlP), indium phosphide nitride (InNP), and a mixture thereof. A ternary compound selected from the group consisting of indium arsenide (InNAs), indium arsenide nitride (InNSb), indium arsenide phosphide (InPAs), indium antimonide phosphide (InPSb) and a mixture thereof, and a quaternary compound selected from the group consisting of gallium aluminum phosphide nitride (GaAlNP), gallium aluminum arsenide nitride (GaAlNAs), gallium aluminum antimonide nitride (GaAlNSb), gallium aluminum arsenide phosphide (GaAlPAs), gallium aluminum antimonide phosphide (GaAlPSb), gallium indium phosphide nitride (GaInNP), gallium indium arsenide nitride (GaInNAs), gallium indium antimonide nitride (GaInNSb), gallium indium arsenide phosphide (GaInPAs), gallium indium antimonide phosphide (GaInPSb), indium aluminum phosphide nitride (InAlNP), indium aluminum arsenide nitride (InAlNAs), indium aluminum antimonide nitride (InAlNSb), indium aluminum arsenide phosphide (InAlPAs), indium aluminum antimonide phosphide (InAlPSb) and a mixture thereof. At the same time, the III-V group compound may also include a group II metal. For example, InZnP or the like may be selected as the III-II-V group compound.

[0118] The IV-VI compound may be selected from the group consisting of: a binary compound selected from the group consisting of tin sulfide (SnS), tin selenide (SnSe), tin telluride (SnTe), lead sulfide (PbS), lead selenide (PbSe), lead telluride (PbTe), and mixtures thereof, a ternary compound selected from the group consisting of SnSeS, SnSeTe, SnSTe, PbSeS, PbSeTe, PbSTe, SnPbS, SnPbSe, SnPbTe, and mixtures thereof, and a quaternary compound selected from the group consisting of SnPbSSe, SnPbSeTe, SnPbSTe, and mixtures thereof. The IV group element may be selected from the group consisting of Si, Ge, and mixtures thereof. The IV group compound may be a binary compound selected from the group consisting of SiC, SiGe, and mixtures thereof.

[0119] In this case, the binary, ternary or quaternary compound may be present in a particle with a uniform concentration distribution, or may be present in the same particle with a locally different concentration distribution. In addition, a core-shell structure in which one quantum dot surrounds another quantum dot may be possible. In a core-shell structure, the interface of the shell may have a concentration gradient in which the concentration of the element present in the shell becomes lower toward the core.

[0120] In some embodiments, the quantum dot may have a core-shell structure including a core containing nanocrystals and a shell surrounding the core. The shell of the quantum dot may be used as a protective layer to prevent chemical denaturation of the core in order to maintain semiconductor properties and / or as a charging layer to give the quantum dot electrophoretic properties. The shell may be a single layer or multilayer structure. Examples of the shell of the quantum dot may include metal or non-metal oxides, semiconductor compounds, or combinations thereof.

[0121] For example, the metal or non-metal oxide may be silicon dioxide (SiO 2 ), aluminum oxide (Al 2 O 3 ), titanium dioxide (TiO 2 )、ZnO、MnO、Mn(III) 2 O 3 ), manganese (II, III) oxide (Mn 3 O 4 ), copper (II) oxide (CuO), iron (II) oxide (FeO), iron (III) oxide (Fe 2 O 3 ), iron (II, III) oxide (Fe 3 O 4 ), cobalt(II) oxide (CoO), cobalt(II,III) oxide (Co 3 O 4 ) and nickel(II) oxide (NiO) or a binary compound such as magnesium aluminate (MgAl 2 O 4 ), cobalt ferrite (CoFe 2 O 4 ), nickel ferrite (NiFe 2 O 4 ) and cobalt manganese oxide (CoMn 2 O 4 ), but the present embodiment of the inventive concept is not necessarily limited thereto.

[0122] In addition, the semiconductor compound can be, for example, cadmium sulfide (CdS), cadmium selenide (CdSe), cadmium telluride (CdTe), zinc sulfide (ZnS), zinc selenide (ZnSe), zinc telluride (ZnTe), zinc selenide sulfide (ZnSeS), zinc telluride selenide (ZnTeS), gallium arsenide (GaAs), gallium phosphide (GaP), gallium antimonide (GaSb), mercury sulfide (HgS), mercury selenide (HgSe), mercury telluride (HgTe), indium arsenide (InAs), indium phosphide (InP), indium gallium phosphide (InGaP), indium antimonide (InSb), aluminum arsenide (AlAs), aluminum phosphide (AlP), aluminum antimonide (AlSb), etc., but the embodiments of the present inventive concept are not necessarily limited to this.

[0123] The first quantum dot QD1 and the second quantum dot QD2 may have a full width at half maximum (FWHM) of a light emission wavelength spectrum of about 45 nm or less (preferably about 40 nm or less, and more preferably about 30 nm or less), and color purity or color reproducibility may be improved within the above range. In addition, light emitted by the first quantum dot QD1 and the second quantum dot QD2 may be emitted in all directions, so that a wide viewing angle may be improved.

[0124] In addition, although each form of the first quantum dot QD1 and the second quantum dot QD2 is not particularly limited as long as it is a form commonly used in the art, quantum dots in the form of spherical, pyramidal, multi-arm or cubic nanoparticles, nanotubes, nanowires, nanofibers, nanoplate particles, etc. can be used.

[0125] The size of the first quantum dot QD1 and the second quantum dot QD2 or the element ratio in the compound of the first quantum dot QD1 and the second quantum dot QD2 can be adjusted. Therefore, the quantum dot can have various light emission colors, such as blue, red and green. For example, the size of the first quantum dot QD1 and the second quantum dot QD2 or the adjustment of the element ratio in the compound of the first quantum dot QD1 and the second quantum dot QD2 can be selected to emit red light, green light and / or blue light. In an embodiment of the present inventive concept, the first quantum dot QD1 contained in the first light control part CCP1a overlapping the first light emitting area PXA-R can have a red emission color, and the second quantum dot QD2 contained in the second light control part CCP2a overlapping the second light emitting area PXA-G can have a green emission color. As the particle size of the first quantum dot QD1 and the second quantum dot QD2 becomes smaller, the first quantum dot QD1 and the second quantum dot QD2 can emit light in the short wavelength region. For example, in the first quantum dot QD1 and the second quantum dot QD2 having the same core, the particle size of the quantum dot emitting green light may be smaller than the particle size of the quantum dot emitting red light. In addition, in the first quantum dot QD1 and the second quantum dot QD2 having the same core, the particle size of the quantum dot emitting blue light may be smaller than the particle size of the quantum dot emitting green light. However, the embodiments of the present inventive concept are not necessarily limited thereto, and even in the first quantum dot QD1 and the second quantum dot QD2 having the same core, the particle size may be adjusted according to the formation material and thickness of the shell.

[0126] When the first quantum dots QD1 and the second quantum dots QD2 have various emission colors such as blue, red, and green, the first quantum dots QD1 and the second quantum dots QD2 having different emission colors may have different core materials.

[0127] The light control layer CCLa may further include a scatterer SP. The first light control part CCP1a may include first quantum dots QD1 and scatterers SP, the second light control part CCP2a may include second quantum dots QD2 and scatterers SP, and the third light control part CCP3a may not include any quantum dots but include scatterers SP.

[0128] The scatterer SP may be an inorganic particle. For example, the scatterer SP may include titanium dioxide (TiO 2 )、ZnO、Al2O3 2 O 3 ), silicon dioxide (SiO 2 ) and hollow silica. The scatterer SP may include TiO 2 、ZnO、Al 2 O 3 、SiO 2and hollow silica, or may be TiO 2 、ZnO、Al 2 O 3 、SiO 2 and a mixture of at least two materials selected from hollow silica.

[0129] The first light control part CCP1a, the second light control part CCP2a and the third light control part CCP3a may each include a first base resin BR1, a second base resin BR2 and a third base resin BR3 in which the first quantum dot QD1 and the second quantum dot QD2 and the scatterer SP are dispersed. In an embodiment of the present inventive concept, the first light control part CCP1a may include the first quantum dot QD1 and the scatterer SP dispersed in the first base resin BR1, the second light control part CCP2a may include the second quantum dot QD2 and the scatterer SP dispersed in the second base resin BR2, and the third light control part CCP3a may include the scatterer SP dispersed in the third base resin BR3. The first base resin BR1, the second base resin BR2 and the third base resin BR3 are media in which the first quantum dot QD1 and the second quantum dot QD2 and the scatterer SP are dispersed, and may be formed of various resin compositions that may generally be referred to as binders. For example, the first base resin BR1, the second base resin BR2 and the third base resin BR3 may be acrylic resins, urethane resins, silicone resins, epoxy resins, etc. The first base resin BR1 , the second base resin BR2 , and the third base resin BR3 may be transparent resins. In an embodiment of the present inventive concept, the first base resin BR1 , the second base resin BR2 , and the third base resin BR3 may be the same as or different from each other.

[0130] refer to Figure 8 In the display device DDc according to the embodiment of the present inventive concept, the light control panel OPc may further include an anti-reflection layer AR disposed on the color filter layer CFL. The anti-reflection layer AR may include a high-refractive layer and a low-refractive layer. For example, the anti-reflection layer AR may have a structure in which the high-refractive layer and the low-refractive layer are alternately stacked. The anti-reflection layer AR may include silicon nitride (Si 3 N 4 ), Silicon Nitride-x (SiN x ), silicon dioxide (SiO 2 ), aluminum oxide (Al 2 O 3 ), niobium dioxide (Nb 2 O 2 ), aluminum nitride (AlN), silicon monoxide (SiO), aluminum oxynitride (AlO x N y ), silicon oxynitride (SiO xN y ), silicon aluminum oxynitride (Si u Al v O x N y ), magnesium fluoride (MgF 2 ), magnesium oxide (MgO), titanium dioxide (TiO 2 ), Germanium dioxide (GeO 2 ), magnesium aluminum oxide (MgAl 2 O 4 ), barium fluoride (BaF 2 ), calcium fluoride (CaF 2 ), Dysprosium trifluoride (DyF 3 ), Ytterbium trifluoride (YbF 3 ), yttrium trifluoride (YF 3 ), cerium trifluoride (CeF 3 ), Tantalum pentoxide (Ta 2 O 5 ), hafnium dioxide (HfO 2 )、ZrO 2 ), molybdenum trioxide (MoO 3 ) or a combination thereof. The display device DDc according to an embodiment of the inventive concept may further include an anti-reflection layer AR, and may reduce reflection of external light, and thus may improve display efficiency.

[0131] The light control panel OPc according to an embodiment of the present disclosure may further include a low refractive layer LR between the light control layer CCLa and the color filter layer CFL. The low refractive layer LR may be a layer having a refractive index lower than that of the color filter layer CFL and the light control layer CCLa adjacent to the low refractive layer LR. The low refractive layer LR may totally reflect a portion of the blue light emitted from the light control layer CCLa toward the color filter layer CFL to re-incident on the light control layer CCLa. The blue light may be light emitted from the light emitting element ED. A portion of the blue light may be re-incident on the first light control unit CCP1a or the second light control unit CCP2a included in the light control layer CCLa. As described above, the first light control unit CCP1a may change the re-incident blue light into red light, and the second light control unit CCP2a may change the re-incident blue light into green light. Such recycling of light may improve the light efficiency of the display device DDc.

[0132] 9A to 9C It is shown that it depends on Figure 5A A graph of optical density and reflectivity of the thickness of the first color filter is shown in FIG. For example, Fig.9A is a table showing optical density and reflectivity depending on the thickness of the first color filter CF1, Fig. 9Bis a graph showing optical density depending on the thickness of the first color filter CF1, and Fig. 9C is a graph showing reflectance depending on the thickness of the first color filter CF1.

[0133] refer to Fig.9A and Fig. 9B It can be confirmed that the optical density increases as the thickness of the first color filter CF1 increases. Here, the optical density may indicate how much light energy is blocked by an optical filter that reduces the transmittance of light having a specific wavelength. When the optical density is indicated as OD, the OD value may be expressed as the intensity of light incident on the material (I 0 ) and the intensity of the transmitted light (I 1 ), as shown in Equation 1 below:

[0134] [Equation 1]

[0135]

[0136] Referring to the formula of optical density, a high optical density of an optical filter may mean that the transmittance of the optical filter is low, and a low optical density of an optical filter may mean that the transmittance of the optical filter is high.

[0137] In the method of measuring optical density, a sample is prepared after a specific sample (e.g., the first color filter CF1 of the present invention) can be coated on a glass substrate. Here, the glass substrate can be a transparent substrate with a transmittance of 100%. Then, a spectrophotometer or an OD meter can be used to measure the transmittance of a specific wavelength (e.g., 550nm) or a wavelength of visible light. Here, the measured transmittance can be expressed as an OD value by Formula 1 above.

[0138] According to the current embodiment of the inventive concept, the optical density depending on the thickness of the first color filter CF1 may be a value when external light having a wavelength of about 550 nm is incident on the first color filter CF1. It can be confirmed that when the thickness of the first color filter CF1 is about 2.02 μm, the optical density of the first color filter CF1 is about 0.59, when the thickness of the first color filter CF1 is about 2.58 μm, the optical density of the first color filter CF1 is about 0.72, when the thickness of the first color filter CF1 is about 3.16 μm, the optical density of the first color filter CF1 is about 0.76, and when the thickness of the first color filter CF1 is about 3.95 μm, the optical density of the first color filter CF1 is about 0.82.

[0139] refer to Fig.9A and Fig. 9C, it can be confirmed that the reflectivity of the first color filter CF1 to external light decreases as the thickness of the first color filter CF1 increases. Here, the reflectivity according to the current embodiment is excluding specular regular reflection light (SCE), which means the reflectivity of scattered light excluding specular light. It can be confirmed that when the thickness of the first color filter CF1 is about 2.02μm, the reflectivity of the first color filter CF1 is about 0.51%, when the thickness of the first color filter CF1 is about 2.58μm, the reflectivity of the first color filter CF1 is about 0.47%, when the thickness of the first color filter CF1 is about 3.16μm, the reflectivity of the first color filter CF1 is about 0.43%, and when the thickness of the first color filter CF1 is about 3.95μm, the reflectivity of the first color filter CF1 is about 0.39%.

[0140] refer to 9A to 9C As the thickness of the first color filter CF1 increases, the optical density of the first color filter CF1 may increase, and the reflectivity of the first color filter CF1 may decrease. For example, as the optical density of the first color filter CF1 increases, the reflectivity of the first color filter CF1 may decrease.

[0141] FIG. 10A to FIG. 10C It is shown that it depends on Figure 5A A graph of optical density and reflectivity of the thickness of the second color filter is shown in FIG. Fig. 10A is a table showing optical density and reflectivity depending on the thickness of the second color filter CF2, Fig. 10B is a graph showing optical density depending on the thickness of the second color filter CF2, and Fig. 10C is a graph showing reflectivity depending on the thickness of the second color filter CF2. To the extent that an element is not described in detail, it can be assumed that the element is at least similar to a corresponding element already described in the previous figures.

[0142] refer to Fig. 10A and Fig. 10B , it can be confirmed that the optical density increases as the thickness of the second color filter CF2 increases. According to the current embodiment of the inventive concept, the optical density depending on the thickness of the second color filter CF2 may be a value when external light having a wavelength of about 550 nm is incident on the second color filter CF2. It can be confirmed that when the thickness of the second color filter CF2 is about 2.20 μm, the optical density of the second color filter CF2 is about 0.59, when the thickness of the second color filter CF2 is about 2.75 μm, the optical density of the second color filter CF2 is about 0.71, when the thickness of the second color filter CF2 is about 3.23 μm, the optical density of the second color filter CF2 is about 0.79, and when the thickness of the second color filter CF2 is about 3.65 μm, the optical density of the second color filter CF2 is about 0.86.

[0143] refer to Fig. 10A and Fig. 10C It can be confirmed that the reflectivity of the second color filter CF2 to external light decreases as the thickness of the second color filter CF2 increases. It can be confirmed that when the thickness of the second color filter CF2 is about 2.20 μm, the reflectivity of the second color filter CF2 is about 0.72%, when the thickness of the second color filter CF2 is about 2.75 μm, the reflectivity of the second color filter CF2 is about 0.57%, when the thickness of the second color filter CF2 is about 3.23 μm, the reflectivity of the second color filter CF2 is about 0.47%, and when the thickness of the second color filter CF2 is about 3.65 μm, the reflectivity of the second color filter CF2 is about 0.40%.

[0144] refer to FIG. 10A to FIG. 10C As the thickness of the second color filter CF2 increases, the optical density of the second color filter CF2 may increase, and the reflectivity of the second color filter CF2 may decrease. For example, as the optical density of the second color filter CF2 increases, the reflectivity of the second color filter CF2 may decrease.

[0145] FIG. 11A to FIG. 11C It is shown that it depends on Figure 5A A graph of optical density and reflectivity of the thickness of the third color filter is shown in FIG. Fig.11A is a table showing optical density and reflectivity depending on the thickness of the third color filter CF3, Fig. 11B is a graph showing optical density depending on the thickness of the third color filter CF3, and Fig. 11C is a graph showing reflectance depending on the thickness of the third color filter CF3.

[0146] refer to Fig.11A and Fig. 11B , it can be confirmed that the optical density increases as the thickness of the third color filter CF3 increases. According to the current embodiment of the inventive concept, the optical density depending on the thickness of the third color filter CF3 may be a value when external light having a wavelength of about 550 nm is incident on the third color filter CF3. It can be confirmed that when the thickness of the third color filter CF3 is about 2.04 μm, the optical density of the third color filter CF3 is about 1.15, when the thickness of the third color filter CF3 is about 2.84 μm, the optical density of the third color filter CF3 is about 1.49, when the thickness of the third color filter CF3 is about 3.38 μm, the optical density of the third color filter CF3 is about 1.63, and when the thickness of the third color filter CF3 is about 3.95 μm, the optical density of the third color filter CF3 is about 1.79.

[0147] refer to Fig.11A and Fig. 11C It can be confirmed that the reflectivity of the third color filter CF3 to external light decreases as the thickness of the third color filter CF3 increases. It can be confirmed that when the thickness of the third color filter CF3 is about 2.04 μm, the reflectivity of the third color filter CF3 is about 0.28%, when the thickness of the third color filter CF3 is about 2.84 μm, the reflectivity of the third color filter CF3 is about 0.23%, when the thickness of the third color filter CF3 is about 3.38 μm, the reflectivity of the third color filter CF3 is about 0.21%, and when the thickness of the third color filter CF3 is about 3.95 μm, the reflectivity of the third color filter CF3 is about 0.18%.

[0148] refer to FIG. 11A to FIG. 11C As the thickness of the third color filter CF3 increases, the optical density of the third color filter CF3 may increase, and the reflectivity of the third color filter CF3 may decrease. For example, as the optical density of the third color filter CF3 increases, the reflectivity of the third color filter CF3 may decrease.

[0149] FIG. 12A to FIG. 12C It is shown that it depends on Figure 5A and Fig. 6A A graph of optical density and reflectivity of the barrier thickness is shown in FIG. Fig. 12A It is shown that it depends on Figure 5A and Fig. 6A The graph of the reflectance of the optical density of the barrier portion BLP and the barrier portion BLPa shown in FIG. Fig. 12B It is shown that it depends on Fig. 12A The optical density and reflectivity of the thickness at the first point S1 shown in the table, and Fig. 12C It is shown that it depends on Fig. 12A 4. Table of optical density and reflectivity of the thickness at the second point S2 shown in FIG.

[0150] refer to Fig. 12A , it can be confirmed that as the optical density increases, the reflectivity decreases. For example, it can be confirmed that when the optical density is about 3.0, the reflectivity similarly converges to about 0.1%. For example, when the optical density is about 2.5, the reflectivity is about 0.1%, and when the optical density is about 3.0 or more, the reflectivity may converge to about 0.07%.

[0151] when Figure 5A and Fig. 6AWhen the optical density of the blocking portion BLP and the blocking portion BLPa illustrated in the figure is less than about 3.0, the reflectivity of the blocking portion BLP and the blocking portion BLPa may be increased to about 0.1% or more. When the blocking portion BLP and the blocking portion BLPa having high reflectivity are provided in the display device DD and the display device DDa, respectively, external light incident from the outside may be reflected, and due to the reflected external light, a phenomenon in which the blocking portion BLP and the blocking portion BLPa are viewed by the user may occur. In order to reduce the phenomenon in which the blocking portion BLP and the blocking portion BLPa are viewed by the user, the reflectivity of the blocking portion BLP and the blocking portion BLPa may be set to about 0.1% or less. For example, return to reference Fig. 12A , it can be seen that in order to set the reflectance of the barrier part BLP and the barrier part BLPa to about 0.1% or less, the optical density of the barrier part BLP and the barrier part BLPa may be about 3.0 or more.

[0152] refer to Figure 5A , Figure 5B and Fig. 12B , it can be confirmed that the optical density and reflectivity depend on the thickness Th4 of the blocking part BLP. For example, when the thickness Th1 of the first color filter CF1 is about 3.6 μm and the thickness Th3 of the third color filter CF3 is about 2.6 μm and thus the thickness Th4 of the blocking part BLP is about 6.2 μm, the optical density of the blocking part BLP may be about 3.40 and the reflectivity may be about 0.07%. In addition, since the thickness Th1 of the first color filter CF1 is set to about 2.0 μm to about 4.5 μm and the thickness Th3 of the third color filter CF3 is set to about 1.0 μm to about 3.0 μm, the optical density of the blocking part BLP may be about 3.0 to about 5.0, and the reflectivity of the blocking part BLP to external light may be about 0.1 or less. If the optical density is set to about 5.0 or more, external light may pass through the blocking part BLP and be reflected from the upper surface of the light control layer CCL. For example, when the optical density is set to about 3.0 to about 5.0, the absorption rate of external light in the blocking part BLP may be increased, and the reflectivity of external light may be reduced. Therefore, the reliability of the display device DD may be improved.

[0153] refer to Fig. 6A , Figure 6B and Fig. 12C, it can be confirmed that the optical density and reflectivity depend on the thickness Th4a of the blocking part BLPa. For example, when the thickness Th1a of the first color filter CF1a is about 2.6 μm, the thickness Th2a of the second color filter CF2a is about 3.6 μm, and the thickness Th3a of the third color filter CF3a is about 2.2 μm, and therefore, the thickness Th4a of the blocking part BLPa is about 8.4 μm, the optical density of the blocking part BLPa may be about 4.46, and the reflectivity may be about 0.07%. In addition, when the thickness Th1a of the first color filter CF1a is set to about 1.0μm to about 3.0μm, the thickness Th2a of the second color filter CF2a is set to about 2.0μm to about 4.0μm, and the thickness Th3a of the third color filter CF3a is set to about 1.0μm to about 3.0μm, the optical density of the blocking portion BLPa may be about 4.0 to about 5.0, and the reflectivity of the blocking portion BLPa to external light may be about 0.1 or less.

[0154] According to the inventive concept, the color filter layer CFL arranged on the display panel DP may include a filter portion FLP in which a single type of color filter is arranged and a blocking portion BLP in which at least two color filters overlap. The thickness of the blocking portion BLP may be set to about 3.0 μm to about 10.0 μm, and the optical density of the blocking portion BLP may be set to about 3.0 or more. Therefore, the reflection of external light incident on the top surface of the blocking portion BLP from the outside of the display device DD can be reduced, thereby reducing the phenomenon that the blocking portion BLP is viewed by the user, and therefore, the reliability of the display device DD can be improved.

[0155] Although the present invention has been described with reference to preferred embodiments of the present invention, it will be understood that the present invention should not necessarily be limited to these preferred embodiments, but is capable of various changes and modifications by those skilled in the art without departing from the spirit and scope of the present invention.

Claims

1. A display device, comprising: A display panel, the display panel comprising a plurality of light-emitting areas in which a plurality of light-emitting elements are arranged and a non-light-emitting area arranged adjacent to the plurality of light-emitting areas; as well as a color filter layer, the color filter layer being arranged on the display panel, Wherein, the color filter layer comprises: a plurality of filter sections, the plurality of filter sections respectively overlapping the plurality of light emitting areas, and a single type of color filter being arranged in the plurality of filter sections; and a blocking portion, the blocking portion overlapping the non-luminescent area, and at least two color filters overlapping in the blocking portion, The barrier part has a thickness of 3.0 μm to 10.0 μm and an optical density of 3.0 or more.

2. The display device according to claim 1, wherein: The color filter layer further comprises: a first color filter configured to transmit a first color light; a second color filter configured to transmit a second color light; and A third color filter is configured to transmit a third color light.

3. The display device according to claim 2, wherein: The barrier part is formed by stacking a portion of the first color filter and a portion of the third color filter.

4. The display device according to claim 3, wherein: The barrier has an optical density of 3.0 to 5.

0.

5. The display device according to claim 3, wherein: The first color filter disposed in the barrier has a thickness of 2.0 μm to 4.5 μm, and Herein, the third color filter disposed in the barrier has a thickness of 1.0 μm to 3.0 μm.

6. The display device according to claim 2, wherein: The blocking part is formed by stacking a portion of each of the first color filter, the second color filter, and the third color filter.

7. The display device according to claim 6, wherein: The barrier has an optical density of 4.0 to 5.

0.

8. The display device according to claim 6, wherein: The first color filter disposed in the barrier has a thickness of 1.0 μm to 3.0 μm, wherein the second color filter disposed in the barrier has a thickness of 2.0 μm to 4.0 μm, and Herein, the third color filter disposed in the barrier has a thickness of 1.0 μm to 3.0 μm.

9. The display device according to claim 2, wherein: The first color filter includes a first pigment, wherein the second color filter comprises a second pigment, and Wherein, the third color filter includes a third pigment.

10. The display device according to claim 9, wherein: Each of the first color filter, the second color filter, and the third color filter further includes a diffuser.

11. The display device according to claim 2, wherein: The color filter layer further comprises: An overcoat layer at least partially covers the first color filter, the second color filter, and the third color filter.

12. The display device according to claim 2, wherein: One color filter among the first color filter, the second color filter, and the third color filter is arranged in each of the plurality of filter portions.

13. The display device according to claim 1, wherein: The blocking portion has a reflectivity of 0.1 or less to external light.

14. The display device according to claim 1, wherein: Each of the plurality of light emitting elements emits a first color light, and in a plan view, the display device further comprises: a first pixel region, the first pixel region being configured to emit a second color light different from the first color light; a second pixel region configured to emit a third color light different from the first color light and the second color light; and A third pixel region is configured to emit the first color light.

15. The display device according to claim 14, further comprising: a light control layer, the light control layer being arranged between the display panel and the color filter layer, Wherein, the light control layer comprises: a first light control unit that at least partially overlaps the first pixel region and converts the first color light into the second color light; a second light control portion that at least partially overlaps the second pixel region and converts the first color light into the third color light; and A third light control unit at least partially overlaps the third pixel area and transmits the first color light.

16. The display device according to claim 15, further comprising: a low refractive layer, the low refractive layer being arranged between the light control layer and the color filter layer; as well as An anti-reflection layer is disposed on the color filter layer.

17. A display device, comprising: A display panel, the display panel comprising a plurality of light-emitting areas in which a plurality of light-emitting elements are arranged and a non-light-emitting area arranged adjacent to the plurality of light-emitting areas; a light control layer, the light control layer being arranged on the display panel; as well as a color filter layer, the color filter layer being arranged on the light control layer, Wherein, the color filter layer comprises: a plurality of filter sections, the plurality of filter sections respectively overlapping the plurality of light emitting areas, and a single type of color filter being arranged in the plurality of filter sections; and a blocking portion, the blocking portion overlapping the non-luminescent area, and at least two color filters overlapping in the blocking portion, Wherein, the blocking portion has an optical density of 3.0 to 5.

0.

18. The display device according to claim 17, wherein: The color filter layer further comprises: a first color filter configured to transmit a first color light; a second color filter configured to transmit a second color light; and A third color filter is configured to transmit a third color light.

19. The display device according to claim 18, wherein: The barrier is formed by stacking a portion of the first color filter and a portion of the third color filter, and has a thickness of 3.0 μm to 7.5 μm.

20. The display device according to claim 17, wherein: The blocking portion has a reflectivity of 0.1 or less to external light.

Images