WO2024258211A1 - 표시 장치 및 이를 포함하는 차량 - Google Patents
표시 장치 및 이를 포함하는 차량 Download PDFInfo
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- WO2024258211A1 WO2024258211A1 PCT/KR2024/008134 KR2024008134W WO2024258211A1 WO 2024258211 A1 WO2024258211 A1 WO 2024258211A1 KR 2024008134 W KR2024008134 W KR 2024008134W WO 2024258211 A1 WO2024258211 A1 WO 2024258211A1
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- substrate
- display device
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Classifications
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- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/122—Pixel-defining structures or layers, e.g. banks
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
- B60K35/20—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor
- B60K35/21—Output arrangements, i.e. from vehicle to user, associated with vehicle functions or specially adapted therefor using visual output, e.g. blinking lights or matrix displays
- B60K35/22—Display screens
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
- B60K35/40—Instruments specially adapted for improving the visibility thereof to the user, e.g. fogging prevention or anti-reflection arrangements
- B60K35/425—Anti-reflection arrangements
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K35/00—Instruments specially adapted for vehicles; Arrangement of instruments in or on vehicles
- B60K35/60—Instruments characterised by their location or relative disposition in or on vehicles
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/126—Shielding, e.g. light-blocking means over the TFTs
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/10—OLED displays
- H10K59/12—Active-matrix OLED [AMOLED] displays
- H10K59/127—Active-matrix OLED [AMOLED] displays comprising two substrates, e.g. display comprising OLED array and TFT driving circuitry on different substrates
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/80—Constructional details
- H10K59/805—Electrodes
- H10K59/8051—Anodes
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/80—Constructional details
- H10K59/805—Electrodes
- H10K59/8052—Cathodes
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/80—Constructional details
- H10K59/87—Passivation; Containers; Encapsulations
- H10K59/871—Self-supporting sealing arrangements
- H10K59/8722—Peripheral sealing arrangements, e.g. adhesives, sealants
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K59/00—Integrated devices, or assemblies of multiple devices, comprising at least one organic light-emitting element covered by group H10K50/00
- H10K59/80—Constructional details
- H10K59/8791—Arrangements for improving contrast, e.g. preventing reflection of ambient light
- H10K59/8792—Arrangements for improving contrast, e.g. preventing reflection of ambient light comprising light absorbing layers, e.g. black layers
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
- B60K2360/1523—Matrix displays
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60K—ARRANGEMENT OR MOUNTING OF PROPULSION UNITS OR OF TRANSMISSIONS IN VEHICLES; ARRANGEMENT OR MOUNTING OF PLURAL DIVERSE PRIME-MOVERS IN VEHICLES; AUXILIARY DRIVES FOR VEHICLES; INSTRUMENTATION OR DASHBOARDS FOR VEHICLES; ARRANGEMENTS IN CONNECTION WITH COOLING, AIR INTAKE, GAS EXHAUST OR FUEL SUPPLY OF PROPULSION UNITS IN VEHICLES
- B60K2360/00—Indexing scheme associated with groups B60K35/00 or B60K37/00 relating to details of instruments or dashboards
- B60K2360/40—Hardware adaptations for dashboards or instruments
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B60—VEHICLES IN GENERAL
- B60Y—INDEXING SCHEME RELATING TO ASPECTS CROSS-CUTTING VEHICLE TECHNOLOGY
- B60Y2400/00—Special features of vehicle units
- B60Y2400/92—Driver displays
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2102/00—Constructional details relating to the organic devices covered by this subclass
- H10K2102/301—Details of OLEDs
- H10K2102/351—Thickness
Definitions
- the present invention relates to a display device. More specifically, the present invention relates to a display device that provides visual information and a vehicle including the same.
- the lifespan of the transistors included in the display device may be shortened and the light-emitting efficiency of the light-emitting element may be reduced.
- the display device can be encapsulated to isolate the inside of the display device from the outside and prevent impurities such as moisture from penetrating.
- the display device can include a substrate and an encapsulation substrate forming a cover or cap on the substrate.
- the substrate and the encapsulation substrate can be integrally joined by a sealing member.
- One object of the present invention is to provide a display device with improved display quality.
- Another object of the present invention is to provide a vehicle including the display device.
- a display device may include a first substrate, a pixel electrode disposed on the first substrate, a pixel defining film disposed on the first substrate and covering at least a portion of the pixel electrode, a second substrate disposed on the pixel defining film and spaced apart from the first substrate and the pixel defining film to define a space between the first substrate and the pixel defining film, and a light-blocking pattern disposed on one surface of the second substrate facing the first substrate and overlapping the pixel defining film in a plane.
- the distance (X) between the edge of one side of the pixel defining film facing the second substrate and the edge of one side of the light-shielding pattern facing the second substrate can satisfy the following mathematical expression 1.
- n1 is the refractive index of the space
- n2 is the refractive index of the second substrate
- n3 is the refractive index of air
- ⁇ is the viewing angle
- the width (W) of one side of the shading pattern can satisfy the following mathematical expression 2.
- G is the width of one side of the pixel definition film
- the display device may further include a spacer disposed between the pixel defining film and the light-shielding pattern.
- the sum of the thickness of the shading pattern and the thickness of the spacer may be greater than 3 ⁇ m and less than or equal to 20 ⁇ m.
- the shading patterns are plural, and the spacer can overlap at least one of the shading patterns on a plane.
- the maximum width of the shading pattern may be greater than the width of the spacer.
- the display device may further include a light-emitting layer disposed on the pixel electrode, a common electrode disposed on the light-emitting layer, the pixel defining film and the spacer, and a capping layer disposed on the common electrode.
- the shading pattern may include a black matrix.
- the display device may further include a sealing member disposed between the first substrate and the second substrate along an edge of each of the first substrate and the second substrate, and connecting the first substrate and the second substrate.
- the second substrate may comprise a glass substrate.
- the space may be an empty space.
- the space can be filled with a filler.
- a vehicle may include a body defining an interior space, and a display device disposed in the interior space.
- the display device may include a first substrate, a pixel electrode disposed on the first substrate, a pixel defining film disposed on the first substrate and covering at least a portion of the pixel electrode, a spacer disposed on the pixel defining film, a second substrate disposed on the spacer and spaced apart from the first substrate and the spacer to define a space between the first substrate and the pixel defining film, a transparent pattern disposed on one surface of the second substrate facing the first substrate and overlapping the pixel defining film in a plane, and a light-shielding pattern disposed on the transparent pattern and defining an opening capable of accommodating at least a portion of the spacer.
- the shading pattern can cover at least a portion of a side surface of the spacer.
- the shading patterns are plural, and the spacer can be accommodated in the opening of at least one of the shading patterns.
- the transparent pattern may comprise a transparent organic material.
- the shading pattern may include a black matrix.
- the display device may further include a sealing member disposed between the first substrate and the second substrate along an edge of each of the first substrate and the second substrate, and connecting the first substrate and the second substrate.
- the second substrate may comprise a glass substrate.
- the space may be an empty space.
- the space can be filled with a filler.
- the vehicle may further include a cluster, a center fascia adjacent to the cluster, and a passenger dashboard adjacent to the center fascia.
- the display device may be disposed on at least one of the cluster, the center fascia, and the passenger dashboard.
- a light-blocking pattern may be arranged between a first substrate and a second substrate, overlapping a pixel-defining film on a plane.
- the light-blocking pattern may block incident light incident from the outside and reflected light reflected by the pixel-defining film from the incident light.
- the thickness of a space between the first substrate and the second substrate may be increased. Accordingly, coherence may be reduced, and a rainbow-shaped color shift phenomenon recognized from a side viewing angle may be effectively improved.
- FIG. 1 is a plan view showing a display device according to one embodiment of the present invention.
- Figure 2 is a cross-sectional view taken along line I-I' of Figure 1.
- Figure 3 is an enlarged cross-sectional view of area A of Figure 2.
- Figure 4 is an enlarged cross-sectional view of area B of Figure 3.
- Figure 5 is a cross-sectional view showing another example of Figure 3.
- FIG. 6 is a plan view showing a display device according to another embodiment of the present invention.
- Figure 7 is a cross-sectional view taken along line II-II' of Figure 6.
- Fig. 8 is a cross-sectional view showing another example of Fig. 7.
- FIG. 9 is a cross-sectional view showing a display device according to another embodiment of the present invention.
- Fig. 10 is a cross-sectional view showing another example of Fig. 9.
- FIG. 11 is a drawing schematically showing the exterior of a vehicle according to one embodiment of the present invention.
- Figure 12 is a drawing schematically showing the interior space of the vehicle of Figure 11.
- FIG. 1 is a plan view showing a display device according to one embodiment of the present invention.
- “plane” may mean a case when viewed in the thickness direction (i.e., the third direction (DR3)) of the first substrate (SUB1, see FIG. 2).
- the display device (10) may include a display area (DA) and a non-display area (NDA).
- the display area (DA) may be an area that can generate light or display an image by controlling the transmittance of light provided from an external light source.
- the non-display area (NDA) may be an area that does not display an image.
- the non-display area (NDA) may be located around the display area (DA). For example, the non-display area (NDA) may entirely surround the display area (DA).
- a plurality of pixels (PX) may be arranged in the display area (DA).
- the plurality of pixels (PX) may be arranged in a matrix form along a first direction (DR1) and a second direction (DR2) intersecting the first direction (DR1).
- the first direction (DR1) may be perpendicular to the second direction (DR2).
- Each of the plurality of pixels (PX) may emit light.
- the display area (DA) may display an image.
- wires connected to the plurality of pixels may be arranged.
- the wires may include data signal wires, gate signal wires, power wires, etc.
- driving units for driving the plurality of pixels may be arranged.
- the driving units may include a data driving unit, a gate driving unit, a power voltage generating unit, a timing controller, etc.
- the plurality of pixels (PX) may emit light based on signals received from the driving units.
- Figure 2 is a cross-sectional view taken along line I-I' of Figure 1.
- the display device (10) may include a first substrate (SUB1), a second substrate (SUB2), and a sealing member (SM).
- the first substrate (SUB1) may include a transparent material or an opaque material.
- the first substrate (SUB1) may include a rigid glass substrate, a polymer substrate, a flexible film, a metal substrate, or the like. These may be used alone or in combination with each other.
- the first substrate (SUB1) may include a rigid glass substrate.
- the second substrate (SUB2) may be disposed on the first substrate (SUB1).
- the second substrate (SUB2) may face the first substrate (SUB1).
- the second substrate (SUB2) may be spaced apart from the first substrate (SUB1) in a third direction (DR3) intersecting each of the first direction (DR1) and the second direction (DR2).
- the third direction (DR3) may be perpendicular to each of the first direction (DR1) and the second direction (DR2).
- a space (SP) between the first substrate (SUB1) and the second substrate (SUB2) may be defined.
- the space (SP) may be an empty space (for example, a vacuum state).
- the space (SP) may be filled with a filler.
- the second substrate (SUB2) may include a transparent material or an opaque material.
- the second substrate (SUB2) may include a rigid glass substrate, a polymer substrate, a flexible film, a metal substrate, etc. These may be used alone or in combination with each other.
- the second substrate (SUB2) may include a rigid glass substrate.
- the sealing member (SM) may be disposed between the first substrate (SUB1) and the second substrate (SUB2), and may be disposed along an edge of each of the first substrate (SUB1) and the second substrate (SUB2). That is, the sealing member (SM) may be disposed along the non-display area (NDA) between the first substrate (SUB1) and the second substrate (SUB2).
- the first substrate (SUB1) and the second substrate (SUB2) may be joined by the sealing member (SM). Since the space (SP) between the first substrate (SUB1) and the second substrate (SUB2) is sealed by the sealing member (SM), external moisture, air, impurities, etc. may be prevented from penetrating into the space (SP).
- the sealing member (SM) may include an organic material such as an epoxy resin.
- Fig. 3 is an enlarged cross-sectional view of area A of Fig. 2.
- Fig. 4 is an enlarged cross-sectional view of area B of Fig. 3.
- the display device (10) may include the first substrate (SUB1), a buffer layer (BUF), a transistor (TR), a gate insulating layer (GI), an interlayer insulating layer (ILD), a via insulating layer (VIA), a pixel defining film (PDL), a light emitting element (LD), a spacer (SPC), a capping layer (CPL), a light-shielding pattern (BP), and the second substrate (SUB2).
- a buffer layer BAF
- TR gate insulating layer
- ILD interlayer insulating layer
- VIA via insulating layer
- PDL pixel defining film
- LD light emitting element
- SPC spacer
- CPL capping layer
- BP light-shielding pattern
- BP light-shielding pattern
- the above transistor (TR) may include an active pattern (ACT), a gate electrode (GE), a source electrode (SE), and a drain electrode (DE).
- the above light-emitting element (LD) may include a pixel electrode (PE), a light-emitting layer (EL), and a common electrode (CE).
- the above buffer layer (BUF) may be disposed on the first substrate (SUB1).
- the buffer layer (BUF) may prevent metal atoms or impurities from diffusing from the first substrate (SUB1) to the transistor (TR).
- the buffer layer (BUF) may improve the flatness of the surface of the first substrate (SUB1) when the surface of the first substrate (SUB1) is not uniform.
- the buffer layer (BUF) may include an inorganic material such as silicon oxide (SiO x ), silicon nitride (SiN x ), silicon oxynitride (SiO x N y ). These may be used alone or in combination with each other.
- the above active pattern (ACT) may be arranged on the buffer layer (BUF).
- the active pattern (ACT) may include a source region, a drain region, and a channel region positioned between the source region and the drain region.
- the active pattern (ACT) may include a silicon semiconductor material or an oxide semiconductor material. Examples of the silicon semiconductor material may include amorphous silicon, polycrystalline silicon, etc. Examples of the oxide semiconductor material may include indium gallium zinc oxide (“IGZO”), indium tin zinc oxide (“ITZO”), etc. These may be used alone or in combination with each other.
- IGZO indium gallium zinc oxide
- ITZO indium tin zinc oxide
- the above gate insulating layer (GI) may be disposed on the buffer layer (BUF).
- the gate insulating layer (GI) may sufficiently cover the active pattern (ACT) and may have a substantially flat upper surface without generating a step around the active pattern (ACT).
- the gate insulating layer (GI) may cover the active pattern (ACT) and may be disposed along the profile of the active pattern (ACT) with a uniform thickness.
- the gate insulating layer (GI) may include an inorganic material such as silicon oxide (SiO x ), silicon nitride (SiN x ), silicon carbide (SiC x ), silicon oxynitride (SiO x N y ), or silicon oxycarbide (SiO x C y ). These may be used alone or in combination with each other.
- the gate electrode (GE) may be disposed on the gate insulating layer (GI).
- the gate electrode (GE) may overlap the channel region of the active pattern (ACT) on a plane.
- the gate electrode (GE) may include a metal, an alloy, a conductive metal oxide, a metal nitride, and the like.
- the metal may include silver (Ag), molybdenum (Mo), aluminum (Al), tungsten (W), copper (Cu), nickel (Ni), chromium (Cr), titanium (Ti), tantalum (Ta), platinum (Pt), scandium (Sc), and the like.
- the conductive metal oxide may include indium tin oxide, indium zinc oxide, and the like.
- metal nitride examples include aluminum nitride (AlN x ), tungsten nitride (WN x ), chromium nitride (CrN x ), and the like. These may be used alone or in combination with each other.
- the interlayer insulating layer (ILD) may be disposed on the gate insulating layer (GI).
- the interlayer insulating layer (ILD) may sufficiently cover the gate electrode (GE) and may have a substantially flat upper surface without forming a step around the gate electrode (GE).
- the interlayer insulating layer (ILD) may cover the gate electrode (GE) and may be disposed along the profile of the gate electrode (GE) with a uniform thickness.
- the interlayer insulating layer (ILD) may include an inorganic material such as silicon oxide, silicon nitride, silicon carbide, silicon oxynitride, or silicon oxycarbide. These may be used alone or in combination with each other.
- the source electrode (SE) and the drain electrode (DE) may be disposed on the interlayer insulating layer (ILD).
- the source electrode (SE) may be connected to the source region of the active pattern (ACT) through a first contact hole penetrating a first portion of the gate insulating layer (GI) and the interlayer insulating layer (ILD).
- the drain electrode (DE) may be connected to the drain region of the active pattern (ACT) through a second contact hole penetrating a second portion of the gate insulating layer (GI) and the interlayer insulating layer (ILD).
- each of the source electrode (SE) and the drain electrode (DE) may include a metal, an alloy, a metal nitride, a conductive metal oxide, a transparent conductive material, or the like. These may be used alone or in combination with each other.
- the transistor (TR) including the active pattern (ACT), the gate electrode (GE), the source electrode (SE) and the drain electrode (DE) can be placed on the first substrate (SUB1).
- the via insulating layer (VIA) may be disposed on the interlayer insulating layer (ILD).
- the via insulating layer (VIA) may sufficiently cover the source electrode (SE) and the drain electrode (DE).
- the via insulating layer (VIA) may include an organic material such as a phenolic resin, a polyacrylates resin, a polyimides rein, a polyamides resin, a siloxane resin, an epoxy resin, or the like. These may be used alone or in combination with each other.
- the pixel electrode (PE) may be disposed on the via insulating layer (VIA).
- the pixel electrode (PE) may be connected to the drain electrode (DE) through a contact hole penetrating the via insulating layer (VIA).
- the pixel electrode (PE) may include a metal, an alloy, a metal nitride, a conductive metal oxide, a transparent conductive material, or the like. These may be used alone or in combination with each other. For example, the pixel electrode (PE) may function as an anode.
- the pixel defining film (PDL) may be disposed on the via insulating layer (VIA).
- the pixel defining film (PDL) may cover at least a part of the pixel electrode (PE).
- the pixel defining film (PDL) may cover an edge of the pixel electrode (PE). That is, an opening exposing at least a part of an upper surface of the pixel electrode (PE) may be defined in the pixel defining film (PDL).
- the pixel defining film (PDL) may include an inorganic material and/or an organic material.
- the pixel defining film (PDL) may include an organic material such as an epoxy resin, a siloxane resin, or the like. These may be used alone or in combination with each other.
- the pixel defining film (PDL) may include an inorganic material and/or an organic material containing a light-blocking material having a black color.
- the spacer (SPC) may be arranged on the pixel defining layer (PDL). Specifically, the spacer (SPC) may protrude from the upper surface of the pixel defining layer (PDL) in a thickness direction (for example, in the third direction (DR3)). The spacer (SPC) may prevent display characteristics from being deteriorated by external impact.
- the spacer (SPC) may perform a function of maintaining the space (SP) between the first substrate (SUB1) and the second substrate (SUB2).
- the spacer (SPC) may perform a function of supporting a fine metal mask (FMM) used for depositing an organic light-emitting material.
- the spacer (SPC) may include an inorganic material and/or an organic material.
- the spacer (SPC) may be formed simultaneously with the pixel defining film (PDL) through the same process.
- the spacer (SPC) may include the same material as the pixel defining film (PDL).
- the spacer (SPC) may be formed through a separate process from the pixel defining film (PDL).
- the spacer (SPC) may include a different material from the pixel defining film (PDL) or may include the same material.
- the above-described light-emitting layer (EL) may be disposed on the pixel electrode (PE). Specifically, the light-emitting layer (EL) may be disposed in the opening of the pixel defining film (PDL).
- the light-emitting layer (EL) may include an organic light-emitting material that emits light of a preset color.
- the light-emitting layer (EL) may include an organic light-emitting material that emits red light, green light, or blue light.
- the common electrode (CE) may be disposed on the light-emitting layer (EL), the pixel defining film (PDL), and the spacer (SPC).
- the common electrode (CE) may be a plate electrode.
- the common electrode (CE) may include a metal, an alloy, a metal nitride, a conductive metal oxide, a transparent conductive material, or the like. These may be used alone or in combination with each other.
- the common electrode (CE) may function as a cathode.
- the light-emitting element (LD) including the pixel electrode (PE), the light-emitting layer (EL) and the common electrode (CE) can be placed on the first substrate (SUB1).
- the light-emitting element (LD) can be electrically connected to the transistor (TR).
- the capping layer (CPL) may be disposed on the common electrode (CE).
- the capping layer (CPL) may protect the common electrode (CE).
- the capping layer (CPL) may include an organic insulating material and/or an inorganic insulating material.
- the shielding pattern (BP) may be disposed between the capping layer (CPL) and the second substrate (SUB2). Specifically, the shielding pattern (BP) may be disposed on one surface (S1) of the second substrate (SUB2) facing the first substrate (SUB1). The shielding pattern (BP) may be in contact with each of the one surface (S1) of the second substrate (SUB2) and the capping layer (CPL). In addition, the shielding pattern (BP) may overlap each of the pixel defining film (PDL) and the spacer (SPC) on a plane. The shielding pattern (BP) may, together with the spacer (SPC), serve to maintain the space (SP) between the first substrate (SUB1) and the second substrate (SUB2).
- PDL pixel defining film
- SPC spacer
- the above-mentioned light-shielding pattern (BP) may include a light-shielding material.
- the light-shielding pattern (BP) may include a black matrix.
- the light-shielding pattern (BP) may absorb or block incident light (L1) incident from the outside through the second substrate (SUB2).
- the light-shielding pattern (BP) may absorb or block reflected light (L2) reflected by the pixel defining film (PDL) from the incident light (L1).
- interference may occur between the reflected light (L2) reflected and emitted by the pixel defining film (PDL) and the re-reflected light emitted by the reflected light (L2) being re-reflected by the second substrate (SUB2).
- a color shift of a rainbow spot may be recognized at a side viewing angle ( ⁇ ) due to the interference.
- the viewing angle ( ⁇ ) at which the color shift is recognized by the user may be about 60° or less.
- the viewing angle ( ⁇ ) may be defined as the maximum angle between the user's viewing direction and a normal vector of the upper surface of the second substrate (SUB2) that is parallel to the third direction (DR3).
- the user's viewing direction may be a direction in which the user can view an image output from the display device (10) with a preset acceptable quality. That is, when the display device (10) is viewed from a vertical direction, the viewing angle ( ⁇ ) can be approximately 0°.
- the light-shielding pattern (BP) when the light-shielding pattern (BP) is arranged between the pixel defining film (PDL) and the second substrate (SUB2), the light-shielding pattern (BP) absorbs or blocks the incident light (L1) and the reflected light (L2), so that coherence can be reduced. That is, the color shift at the side viewing angle ( ⁇ ) due to the interference can be effectively reduced.
- the shading pattern (BP) can be arranged so that the color shift does not occur at the viewing angle ( ⁇ ) of about 60°.
- the shading pattern (BP) can be arranged so that the color shift does not occur when the viewing angle ( ⁇ ) of the light (L3) emitted to the outside by the reflected light (L2) being refracted by the second substrate (SUB2) is about 60°.
- the present invention is not limited thereto, and the viewing angle ( ⁇ ) considered in the arrangement of the light-shielding pattern (BP) may be variously changed.
- the light-shielding pattern (BP) may be arranged so that the color shift does not occur at the viewing angle ( ⁇ ) of about 0° to about 10°.
- the distance (X) between the edge of one side (S2) of the shading pattern (BP) facing the second substrate (SUB2) and the edge of one side (S3) of the pixel defining film (PDL) facing the second substrate (SUB2) may have a certain range.
- the distance (X) may satisfy the following mathematical expression 1.
- D may be a distance between the one surface (S3) of the pixel defining film (PDL) and the one surface (S1) of the second substrate (SUB2), and ⁇ may be the viewing angle.
- n1 may be a refractive index of the space (SP)
- n2 may be a refractive index of the second substrate (SUB2)
- n3 may be a refractive index of the outside.
- the refractive index (n1) of the space (SP) when the space (SP) is in a vacuum state, the refractive index (n1) of the space (SP) may be the refractive index of the vacuum (for example, about 1). In another embodiment, when the space (SP) is filled with the filler, the refractive index (n1) of the space (SP) may be the refractive index of the filler.
- the refractive index (n3) of the exterior may be the refractive index of the exterior air. That is, the refractive index (n3) of the exterior may be about 1.
- the space (SP) may be in a vacuum state, and the refractive index (n1) of the space (SP) may be about 1.
- the refractive index (n2) of the second substrate (SUB2) may be about 1.5, and the refractive index (n3) of the outside may be about 1.
- the viewing angle ( ⁇ ) may be about 60°, and the distance (X) may be about 4 ⁇ m to about 6 ⁇ m.
- the present invention is not limited thereto.
- the width (W) of the one side (S2) of the shading pattern (BP) may satisfy the following mathematical expression 2.
- the width (W) of the shading pattern (BP) may be the length of the one side (S2) of the shading pattern (BP) in the second direction (DR2).
- G may be the width of the one side (S3) of the pixel defining film (PDL)
- X may be the distance between the edge of the one side (S2) of the light-shielding pattern (BP) facing the second substrate (SUB2) and the edge of the one side (S3) of the pixel defining film (PDL) facing the second substrate (SUB2).
- the width (G) of the pixel defining film (PDL) may be the length of the one side (S3) of the pixel defining film (PDL) in the second direction (DR2), and the width (W) of the one side (S2) of the light-shielding pattern (BP) may be a positive number.
- the maximum width (for example, the width (W) of the one side (S2)) of the shading pattern (BP) in the second direction (DR2) may be greater than the width of the spacer (SPC).
- the width of the spacer (SPC) may be the length of the spacer (SPC) in the second direction (DR2).
- the present invention is not limited thereto.
- the width (W) of the shading pattern (BP) may be smaller than or equal to the width of the spacer (SPC).
- the sum of the thickness (L) of the shading pattern (BP) and the thickness (H) of the spacer (SPC) may be greater than about 3 ⁇ m and less than or equal to about 20 ⁇ m.
- the thickness (L) of the shading pattern (BP) and the thickness (H) of the spacer (SPC) may be the length of each of the shading pattern (BP) and the spacer (SPC) in the third direction (DR3).
- the thickness (L) of the shading pattern (BP) may be about 1.2 ⁇ m to about 1.8 ⁇ m, but the present invention is not limited thereto.
- the interference causing the color shift can be effectively reduced as the length of the space (SP) in the third direction (DR3) becomes relatively thicker.
- Figure 5 is a cross-sectional view showing another example of Figure 3.
- the display device (10) may include the first substrate (SUB1), the buffer layer (BUF), the transistor (TR), the gate insulating layer (GI), the interlayer insulating layer (ILD), the via insulating layer (VIA), the pixel defining film (PDL), the light-emitting element (LD), the spacer (SPC), the capping layer (CPL), the light-shielding pattern (BP), and the second substrate (SUB2).
- the display device (10) described with reference to Fig. 5 may be substantially the same as or similar to the display device (10) described with reference to Fig. 3, except for the spacer (SPC).
- SPC spacer
- the buffer layer (BUF), the active pattern (ACT), the gate insulating layer (GI), the gate electrode (GE), the interlayer insulating layer (ILD), the source electrode (SE), the drain electrode (DE), the via insulating layer (VIA), the pixel electrode (PE), the pixel defining film (PDL), and the light-emitting layer (EL) can be sequentially arranged on the first substrate (SUB1).
- the spacer (SPC) may be disposed on the pixel defining film (PDL).
- the spacer (SPC) may be disposed on some of the pixel defining films (PDL). That is, the spacer (SPC) may overlap some of the pixel defining films (PDL) on a plane and may not overlap other parts of the pixel defining films (PDL).
- the common electrode (CE) may be disposed on the light-emitting layer (EL), the pixel defining film (PDL) and the spacer (SPC), and the capping layer (CPL) may be disposed on the common electrode (CE).
- the above-mentioned light-shielding pattern (BP) may be arranged between the capping layer (CPL) and the second substrate (SUB2). Specifically, the light-shielding pattern (BP) may be arranged on the one surface (S1) of the second substrate (SUB2) facing the first substrate (SUB1).
- some of the shading patterns (BP) may overlap with each of the pixel defining film (PDL) and the spacer (SPC) on a plane.
- Other some of the shading patterns (BP) may overlap with the pixel defining film (PDL) on a plane and may not overlap with the spacer (SPC). That is, the spacer (SPC) may overlap with at least one of the shading patterns (BP) on a plane.
- some of the light-shielding patterns (BP) may be in contact with each of the one surface (S1) of the second substrate (SUB2) and the capping layer (CPL). Others of the light-shielding patterns (BP) may be in contact with the one surface (S1) of the second substrate (SUB2) and may not be in contact with the capping layer (CPL).
- the light-shielding pattern (BP) may be arranged on the second substrate (SUB2) to overlap the pixel defining film (PDL) on a plane.
- the light-shielding pattern (BP) may block the incident light (L1) incident from the outside and the reflected light (L2) reflected by the pixel defining film (PDL) from the incident light (L1).
- the thickness of the space (SP) between the first substrate (SUB1) and the second substrate (SUB2) may increase. Accordingly, coherence may be reduced, and a rainbow-shaped color shift phenomenon recognized from a side viewing angle may be effectively improved.
- Fig. 6 is a plan view showing a display device according to another embodiment of the present invention.
- Fig. 7 is a cross-sectional view taken along line II-II' of Fig. 6.
- the display device (20) may include a display area (DA) and a non-display area (NDA).
- the display area (DA) may be an area capable of displaying an image
- the non-display area (NDA) may be an area that does not display an image.
- a plurality of pixels (PX) may be arranged in the display area (DA), and driving units for driving the plurality of pixels (PX) may be arranged in the non-display area (NDA).
- the display device (20) may include a first substrate (SUB1), a buffer layer (BUF), a transistor (TR), a gate insulating layer (GI), an interlayer insulating layer (ILD), a via insulating layer (VIA), a pixel defining layer (PDL), a light emitting element (LD), a spacer (SPC), a capping layer (CPL), a transmission pattern (TP), a light-shielding pattern (BP), and a second substrate (SUB2).
- a first substrate SUB1
- BAF buffer layer
- TR transistor
- GI gate insulating layer
- ILD interlayer insulating layer
- VIA via insulating layer
- PDL pixel defining layer
- LD pixel defining layer
- LD light emitting element
- SPC spacer
- CPL capping layer
- TP transmission pattern
- BP light-shielding pattern
- BP light-shielding pattern
- the above transistor (TR) may include an active pattern (ACT), a gate electrode (GE), a source electrode (SE), and a drain electrode (DE).
- the above light-emitting element (LD) may include a pixel electrode (PE), a light-emitting layer (EL), and a common electrode (CE).
- the buffer layer (BUF), the active pattern (ACT), the gate insulating layer (GI), the gate electrode (GE), the interlayer insulating layer (ILD), the source electrode (SE), the drain electrode (DE), the via insulating layer (VIA), the pixel electrode (PE), the pixel defining film (PDL), the spacer (SPC), the light-emitting layer (EL), the common electrode (CE), and the capping layer (CPL) can be sequentially arranged on the first substrate (SUB1).
- the transparent pattern (TP) may be disposed between the capping layer (CPL) and the second substrate (SUB2). Specifically, the transparent pattern (TP) may be disposed on one surface (S1) of the second substrate (SUB2) facing the first substrate (SUB1). For example, the transparent pattern (TP) may contact each of the one surface (S1) of the second substrate (SUB2) and the capping layer (CPL). In addition, the transparent pattern (TP) may overlap each of the pixel defining layer (PDL) and the spacer (SPC) on a plane. The transparent pattern (TP) may, together with the spacer (SPC), serve to maintain a space (SP) between the first substrate (SUB1) and the second substrate (SUB2).
- PDL pixel defining layer
- SPC spacer
- the above-described transmission pattern (TP) can transmit light.
- the above-described transmission pattern (TP) can transmit incident light (L1) incident from the outside through the second substrate (SUB2).
- the above-described transmission pattern (TP) can transmit light (L4) emitted to the outside from the light-emitting element (LD).
- the above-described transmission pattern (TP) can include a transparent organic material.
- the above-described shielding pattern (BP) may be arranged on the above-described transmissive pattern (TP).
- the shielding pattern (BP) may define an opening (OP) that can accommodate at least a portion of the spacer (SPC).
- the shielding pattern (BP) may cover at least a portion of a side surface of the spacer (SPC) accommodated in the opening (OP). That is, at least a portion of each of the spacer (SPC), the common electrode (CE) arranged on the spacer (SPC), and the capping layer (CPL) arranged on the spacer (SPC) may fill the opening (OP).
- the opening (OP) may expose at least a portion of the transmissive pattern (TP).
- the transmissive pattern (TP) and the capping layer (CPL) may be in contact with each other in the opening (OP).
- the above-mentioned light-shielding pattern (BP) may include a light-shielding material.
- the light-shielding pattern (BP) may include a black matrix.
- the light-shielding pattern (BP) may absorb or block the incident light (L1) incident from the outside through the second substrate (SUB2) and the reflected light (L2) reflected by the pixel definition film (PDL) from the incident light (L1).
- Fig. 8 is a cross-sectional view showing another example of Fig. 7.
- the display device (20) may include the first substrate (SUB1), the buffer layer (BUF), the transistor (TR), the gate insulating layer (GI), the interlayer insulating layer (ILD), the via insulating layer (VIA), the pixel defining film (PDL), the light-emitting element (LD), the spacer (SPC), the capping layer (CPL), the transmission pattern (TP), the light-shielding pattern (BP), and the second substrate (SUB2).
- the display device (20) described with reference to Fig. 8 may be substantially the same as or similar to the display device (20) described with reference to Fig. 7, except for the spacer (SPC).
- SPC spacer
- the buffer layer (BUF), the active pattern (ACT), the gate insulating layer (GI), the gate electrode (GE), the interlayer insulating layer (ILD), the source electrode (SE), the drain electrode (DE), the via insulating layer (VIA), the pixel electrode (PE), the pixel defining film (PDL), and the light-emitting layer (EL) can be sequentially arranged on the first substrate (SUB1).
- the spacer (SPC) may be disposed on the pixel defining film (PDL).
- the spacer (SPC) may be disposed on some of the pixel defining films (PDL). That is, the spacer (SPC) may overlap some of the pixel defining films (PDL) on a plane and may not overlap other parts of the pixel defining films (PDL).
- the common electrode (CE) may be disposed on the light-emitting layer (EL), the pixel defining film (PDL) and the spacer (SPC), and the capping layer (CPL) may be disposed on the common electrode (CE).
- the above-mentioned transparent pattern (TP) may be arranged between the capping layer (CPL) and the second substrate (SUB2). Specifically, the above-mentioned transparent pattern (TP) may be arranged on the one side (S1) of the second substrate (SUB2) facing the first substrate (SUB1).
- some of the transparent patterns (TP) may overlap with each of the pixel defining layer (PDL) and the spacer (SPC) in a plane.
- Other some of the transparent patterns (TP) may overlap with the pixel defining layer (PDL) in a plane and may not overlap with the spacer (SPC). That is, the spacer (SPC) may overlap with at least one of the transparent patterns (TP) in a plane.
- some of the above-described transmission patterns (TP) may be in contact with each of the one surface (S1) of the second substrate (SUB2) and the capping layer (CPL). Others of the above-described transmission patterns (TP) may be in contact with the one surface (S1) of the second substrate (SUB2) and may not be in contact with the capping layer (CPL).
- the above-described shielding pattern (BP) may be arranged on the above-described transmissive pattern (TP).
- the above-described shielding pattern (BP) may define the opening (OP) capable of accommodating at least a portion of the spacer (SPC). That is, the opening (OP) of the shielding pattern (BP) may accommodate at least a portion of the spacer (SPC) overlapping the transmissive pattern (TP) on a plane. In other words, the spacer (SPC) may be accommodated in the opening (OP) of at least one of the shielding patterns (BP).
- the above-described shielding pattern (BP) may cover at least a portion of a side surface of the spacer (SPC) accommodated in the opening (OP).
- the opening (OP) of the shading pattern (BP) can expose at least a part of the transparent pattern (TP).
- the transparent pattern (TP) and the spacer (SPC) overlap each other on a plane the transparent pattern (TP) and the capping layer (CPL) can come into contact at the opening (OP).
- the transmitting pattern (TP) and the light-blocking pattern (BP) may be arranged on the second substrate (SUB2) so as to overlap the pixel defining film (PDL) on a plane.
- the transmitting pattern (TP) transmits the light (L4) emitted from the light-emitting element (LD)
- a viewing angle can be secured when the light-emitting element (LD) emits light.
- the light-blocking pattern (BP) blocks the incident light (L1) and the reflected light (L2), a rainbow-shaped color shift phenomenon recognized from a side viewing angle can be effectively improved.
- Fig. 9 is a cross-sectional view showing a display device according to another embodiment of the present invention.
- Fig. 9 may correspond to the cross-sectional view of Fig. 7.
- the display device (30) may include a first substrate (SUB1), a buffer layer (BUF), a transistor (TR), a gate insulating layer (GI), an interlayer insulating layer (ILD), a via insulating layer (VIA), a pixel defining layer (PDL), a spacer (SPC), a light-emitting element (LD), a capping layer (CPL), a transmission pattern (TP), a light-shielding pattern (BP), and a second substrate (SUB2).
- a first substrate SUB1
- BAF buffer layer
- TR transistor
- GI gate insulating layer
- ILD interlayer insulating layer
- VIA via insulating layer
- PDL pixel defining layer
- SPC spacer
- LD light-emitting element
- CPL capping layer
- TP transmission pattern
- BP light-shielding pattern
- BP light-shielding pattern
- the above transistor (TR) may include an active pattern (ACT), a gate electrode (GE), a source electrode (SE), and a drain electrode (DE).
- the above light-emitting element (LD) may include a pixel electrode (PE), a light-emitting layer (EL), and a common electrode (CE).
- the above-described transmission pattern (TP) may be arranged between the capping layer (CPL) and one surface (S1) of the second substrate (SUB2) facing the first substrate (SUB1).
- the transmission pattern (TP) may overlap each of the pixel defining film (PDL) and the spacer (SPC) on a plane.
- the above-mentioned shading pattern (BP) may be arranged on the capping layer (CPL).
- the shading pattern (BP) may overlap the pixel defining film (PDL) on a plane.
- the shading pattern (BP) may include a first shading pattern (BP1) and a second shading pattern (BP2).
- the above first shading pattern (BP1) may overlap with the pixel defining film (PDL) on a plane and may not overlap with the spacer (SPC).
- the second blocking pattern (BP2) may be arranged on the transparent pattern (TP).
- the second blocking pattern (BP2) may overlap each of the pixel defining film (PDL) and the spacer (SPC) on a plane.
- the second blocking pattern (BP2) may define an opening (OP) that can accommodate at least a part of the spacer (SPC) and expose at least a part of the transparent pattern (TP).
- the second blocking pattern (BP2) may cover at least a part of a side surface of the spacer (SPC) accommodated in the opening (OP).
- the above-mentioned light-shielding pattern (BP) may include an organic light-shielding material and/or an inorganic light-shielding material.
- the light-shielding pattern (BP) may absorb or block incident light (L1) incident from the outside through the second substrate (SUB2).
- the light-shielding pattern (BP) may absorb or block reflected light (L2) reflected by the pixel defining film (PDL) from the incident light (L1).
- Fig. 10 may be a cross-sectional view showing another example of Fig. 9.
- the display device (30) may include the first substrate (SUB1), the buffer layer (BUF), the transistor (TR), the gate insulating layer (GI), the interlayer insulating layer (ILD), the via insulating layer (VIA), the pixel defining film (PDL), the light-emitting element (LD), the capping layer (CPL), the low-reflection layer (LRL), and the second substrate (SUB2).
- the display device (30) described with reference to Fig. 10 may be substantially the same as or similar to the display device (30) described with reference to Fig. 9, except for the low-reflection layer (LRL).
- LTL low-reflection layer
- the low-reflection layer (LRL) may be disposed between the capping layer (CPL) and the second substrate (SUB2). Specifically, the low-reflection layer (LRL) may be disposed on one surface (S1) of the second substrate (SUB2) facing the first substrate (SUB1). For example, the low-reflection layer (LRL) may have a multilayer structure in which a plurality of layers are laminated. The low-reflection layer (LRL) may reduce the reflectivity of incident light (L1) incident from the outside.
- either the light-shielding pattern (BP) or the low-reflection layer (LRL) may be placed between the first substrate (SUB1) and the second substrate (SUB2). Accordingly, the rainbow-shaped color shift phenomenon recognized from a side viewing angle can be effectively improved.
- Fig. 11 is a drawing schematically showing the exterior of a vehicle according to one embodiment of the present invention.
- Fig. 12 is a drawing schematically showing the interior space of the vehicle of Fig. 11.
- a vehicle (1000) may be a device that moves a transport object, such as a human, an object, an animal, etc., from a starting point to a destination.
- the vehicle (1000) may include a three-wheeled or four-wheeled vehicle, construction equipment, a two-wheeled vehicle, a motorized device, a bicycle, a train running on a track, a ship running on the sea or a river, etc.
- the above vehicle (1000) may include a body (100) and a chassis.
- the above body (100) forms the exterior of the vehicle (1000) and may define an interior space in which a driver and passengers ride.
- the body (100) may include a front window glass (200), a bonnet, a roof panel, a rear panel, a trunk, etc.
- the chassis may include mechanical devices required for driving.
- the chassis may include a power generation device, a power transmission device, a driving device, a steering device, a braking device, a suspension device, a transmission device, a fuel device, etc.
- the above vehicle (1000) may include a cluster (310), a center fascia (320), a passenger seat dashboard (330), and a display device (40).
- the above cluster (310) may be located in front of the steering wheel.
- the cluster (310) may be equipped with a tachometer, a speedometer, a coolant temperature gauge, a fuel gauge, a turn signal indicator, a high beam indicator, a warning light, a seat belt warning light, a trip meter, a trip recorder, an automatic transmission selector indicator, a door open warning light, an engine oil warning light, a low fuel warning light, and the like.
- the center fascia (320) may be adjacent to one side of the cluster (310).
- a control panel having a plurality of buttons for adjusting an audio device, an air conditioning device, and a seat heater may be placed on the center fascia (320).
- the above-described passenger seat dashboard (330) may be adjacent to one side of the center fascia (320). That is, the passenger seat dashboard (330) may be spaced apart from the cluster (310) with the center fascia (320) therebetween.
- the cluster (310) may be arranged corresponding to the driver's seat, and the passenger seat dashboard (330) may be arranged corresponding to the passenger seat.
- the above display device (40) can be placed in the indoor space.
- the above display device (40) can correspond to the display devices (10, 20, 30) described with reference to FIGS. 1 to 10. That is, the display device (40) can have a structure substantially the same as or similar to the display devices (10, 20, 30) described with reference to FIGS. 1 to 10.
- the display device (40) may be arranged in at least one of the cluster (310), the center fascia (320), and the passenger dashboard (330).
- the display device (40) may include at least one of a first display device (41) arranged in the cluster (310), a second display device (42) arranged in the center fascia (320), and a third display device (43) arranged in the passenger dashboard (330).
- the present invention is not limited thereto, and the arrangement of the display device (40) may be variously changed.
- the display device (40) may be arranged in other components of the vehicle (1000), such as the front window glass (200), the rearview mirror, etc.
- the first display device (41) may be placed on the cluster (310) to provide the driver with vehicle information, speed information, etc.
- the second display device (42) may be placed on the center fascia (320) to provide map information, information on vehicle settings, etc.
- the third display device (43) may be placed on the passenger seat dashboard (330) to provide entertainment information, etc. to the passenger.
- the present invention is not limited thereto, and the information provided by the first to third display devices (41, 42, 43) may be variously changed.
- the first to third display devices (41, 42, 43) can minimize light traveling toward the front window glass (200) so as not to obstruct the driver's forward driving view.
- any one of the first to third display devices (41, 42, 43) can be switched between a wide viewing angle mode and a narrow viewing angle mode.
- first to third display devices are illustrated as being spaced apart from each other, but the present invention is not limited thereto.
- the first to third display devices (41, 42, 43) may be connected to each other.
- the present invention can be applied to display devices and vehicles including the same.
- the present invention can be applied to high-resolution smart phones, mobile phones, smart pads, smart watches, tablet PCs, vehicle navigation systems, televisions, computer monitors, laptops, etc.
- the present invention can be applied to display devices and vehicles including the same.
- the present invention can be applied to high-resolution smart phones, mobile phones, smart pads, smart watches, tablet PCs, vehicle navigation systems, televisions, computer monitors, laptops, etc.
- PE pixel electrode
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Abstract
Description
Claims (23)
- 제1 기판;상기 제1 기판 상에 배치되는 화소 전극;상기 제1 기판 상에 배치되고, 상기 화소 전극의 적어도 일부를 커버하는 화소 정의막;상기 화소 정의막 상에 배치되고, 상기 제1 기판 및 상기 화소 정의막과 이격되어 상기 화소 정의막과의 사이에 공간을 정의하는 제2 기판; 및상기 제2 기판의 상기 제1 기판을 향하는 일면에 배치되고, 평면 상에서 상기 화소 정의막과 중첩하는 차광 패턴을 포함하는 표시 장치.
- 제1 항에 있어서, 상기 화소 정의막 및 상기 차광 패턴 사이에 배치되는 스페이서를 더 포함하는 것을 특징으로 하는 표시 장치.
- 제4 항에 있어서, 상기 차광 패턴의 두께 및 상기 스페이서의 두께의 합은 3 μm 초과 20 μm 이하인 것을 특징으로 하는 표시 장치.
- 제4 항에 있어서, 상기 차광 패턴은 복수 개이고, 상기 스페이서는 평면 상에서 상기 차광 패턴들 중 적어도 하나와 중첩하는 것을 특징으로 하는 표시 장치.
- 제4 항에 있어서, 상기 차광 패턴의 최대 폭은 상기 스페이서의 폭보다 큰 것을 특징으로 하는 표시 장치.
- 제4 항에 있어서, 상기 화소 전극 상에 배치되는 발광층;상기 발광층, 상기 화소 정의막 및 상기 스페이서 상에 배치되는 공통 전극; 및상기 공통 전극 상에 배치되는 캡핑층을 더 포함하는 것을 특징으로 하는 표시 장치.
- 제1 항에 있어서, 상기 차광 패턴은 블랙 매트릭스를 포함하는 것을 특징으로 하는 표시 장치.
- 제1 항에 있어서, 상기 제1 기판 및 상기 제2 기판 사이에서 상기 제1 기판 및 상기 제2 기판 각각의 가장자리를 따라 배치되고, 상기 제1 기판 및 상기 제2 기판을 결합시키는 실링 부재를 더 포함하는 것을 특징으로 하는 표시 장치.
- 제1 항에 있어서, 상기 제2 기판은 유리 기판을 포함하는 것을 특징으로 하는 표시 장치.
- 제1 항에 있어서, 상기 공간은 빈 공간인 것을 특징으로 하는 표시 장치.
- 제1 항에 있어서, 상기 공간은 충진재로 충진된 것을 특징으로 하는 표시 장치.
- 실내 공간을 정의하는 차체; 및상기 실내 공간에 배치되는 표시 장치를 포함하고,상기 표시 장치는,제1 기판;상기 제1 기판 상에 배치되는 화소 전극;상기 제1 기판 상에 배치되고, 상기 화소 전극의 적어도 일부를 커버하는 화소 정의막;상기 화소 정의막 상에 배치되는 스페이서;상기 스페이서 상에 배치되고, 상기 제1 기판 및 상기 스페이서와 이격되어 상기 화소 정의막과의 사이에 공간을 정의하는 제2 기판;상기 제2 기판의 상기 제1 기판을 향하는 일면에 배치되고, 평면 상에서 상기 화소 정의막과 중첩하는 투과 패턴; 및상기 투과 패턴 상에 배치되고, 상기 스페이서의 적어도 일부를 수용 가능한 개구를 정의하는 차광 패턴을 포함하는 차량.
- 제14 항에 있어서, 상기 차광 패턴은 상기 스페이서의 측면의 적어도 일부를 커버하는 것을 특징으로 하는 차량.
- 제14 항에 있어서, 상기 차광 패턴은 복수 개이고, 상기 스페이서는 상기 차광 패턴들 중 적어도 하나의 상기 개구에 수용되는 것을 특징으로 하는 차량.
- 제14 항에 있어서, 상기 투과 패턴은 투명 유기 물질을 포함하는 것을 특징으로 하는 차량.
- 제14 항에 있어서, 상기 차광 패턴은 블랙 매트릭스를 포함하는 것을 특징으로 하는 차량.
- 제14 항에 있어서, 상기 표시 장치는,상기 제1 기판 및 상기 제2 기판 사이에서 상기 제1 기판 및 상기 제2 기판 각각의 가장자리를 따라 배치되고, 상기 제1 기판 및 상기 제2 기판을 결합시키는 실링 부재를 더 포함하는 것을 특징으로 하는 차량.
- 제14 항에 있어서, 상기 제2 기판은 유리 기판을 포함하는 것을 특징으로 하는 차량.
- 제14 항에 있어서, 상기 공간은 빈 공간인 것을 특징으로 하는 차량.
- 제14 항에 있어서, 상기 공간은 충진재로 충진된 것을 특징으로 하는 차량.
- 제14 항에 있어서,클러스터;상기 클러스터와 인접하는 센터페시아; 및상기 센터페시아와 인접하는 조수석 대시보드를 더 포함하고,상기 표시 장치는 상기 클러스터, 상기 센터페시아 및 상기 조수석 대시보드 중 적어도 하나에 배치되는 것을 특징으로 하는 차량.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| EP24823728.1A EP4730975A1 (en) | 2023-06-14 | 2024-06-13 | Display device and vehicle including same |
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| Application Number | Priority Date | Filing Date | Title |
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| KR1020230076443A KR20240176833A (ko) | 2023-06-14 | 2023-06-14 | 표시 장치 및 이를 포함하는 차량 |
| KR10-2023-0076443 | 2023-06-14 |
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| Publication Number | Publication Date |
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| WO2024258211A1 true WO2024258211A1 (ko) | 2024-12-19 |
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| PCT/KR2024/008134 Ceased WO2024258211A1 (ko) | 2023-06-14 | 2024-06-13 | 표시 장치 및 이를 포함하는 차량 |
Country Status (5)
| Country | Link |
|---|---|
| US (1) | US20240423036A1 (ko) |
| EP (1) | EP4730975A1 (ko) |
| KR (1) | KR20240176833A (ko) |
| CN (1) | CN119156067A (ko) |
| WO (1) | WO2024258211A1 (ko) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR20160015525A (ko) * | 2014-07-30 | 2016-02-15 | 삼성디스플레이 주식회사 | 유기 발광 표시 장치 |
| KR101957145B1 (ko) * | 2012-12-24 | 2019-03-13 | 엘지디스플레이 주식회사 | 유기발광소자표시장치 및 그 제조방법 |
| KR102090709B1 (ko) * | 2013-05-31 | 2020-03-19 | 삼성디스플레이 주식회사 | 백색 유기 발광 표시 장치 |
| CN112002821A (zh) * | 2020-08-07 | 2020-11-27 | 深圳市华星光电半导体显示技术有限公司 | Oled显示面板以及电子装置 |
| KR102459916B1 (ko) * | 2015-12-08 | 2022-10-26 | 엘지디스플레이 주식회사 | 유기발광 표시장치 |
-
2023
- 2023-06-14 KR KR1020230076443A patent/KR20240176833A/ko active Pending
-
2024
- 2024-03-05 US US18/596,138 patent/US20240423036A1/en active Pending
- 2024-06-13 EP EP24823728.1A patent/EP4730975A1/en active Pending
- 2024-06-13 WO PCT/KR2024/008134 patent/WO2024258211A1/ko not_active Ceased
- 2024-06-13 CN CN202410759017.9A patent/CN119156067A/zh active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| KR101957145B1 (ko) * | 2012-12-24 | 2019-03-13 | 엘지디스플레이 주식회사 | 유기발광소자표시장치 및 그 제조방법 |
| KR102090709B1 (ko) * | 2013-05-31 | 2020-03-19 | 삼성디스플레이 주식회사 | 백색 유기 발광 표시 장치 |
| KR20160015525A (ko) * | 2014-07-30 | 2016-02-15 | 삼성디스플레이 주식회사 | 유기 발광 표시 장치 |
| KR102459916B1 (ko) * | 2015-12-08 | 2022-10-26 | 엘지디스플레이 주식회사 | 유기발광 표시장치 |
| CN112002821A (zh) * | 2020-08-07 | 2020-11-27 | 深圳市华星光电半导体显示技术有限公司 | Oled显示面板以及电子装置 |
Also Published As
| Publication number | Publication date |
|---|---|
| US20240423036A1 (en) | 2024-12-19 |
| EP4730975A1 (en) | 2026-04-22 |
| CN119156067A (zh) | 2024-12-17 |
| KR20240176833A (ko) | 2024-12-26 |
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