WO2011045904A1 - 表示パネル装置、表示装置および表示パネル装置の製造方法 - Google Patents
表示パネル装置、表示装置および表示パネル装置の製造方法 Download PDFInfo
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- WO2011045904A1 WO2011045904A1 PCT/JP2010/005951 JP2010005951W WO2011045904A1 WO 2011045904 A1 WO2011045904 A1 WO 2011045904A1 JP 2010005951 W JP2010005951 W JP 2010005951W WO 2011045904 A1 WO2011045904 A1 WO 2011045904A1
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- lens
- light emitting
- axis direction
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- display panel
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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
-
- 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
- H10K59/875—Arrangements for extracting light from the devices
- H10K59/879—Arrangements for extracting light from the devices comprising refractive means, e.g. lenses
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K50/00—Organic light-emitting devices
- H10K50/80—Constructional details
- H10K50/85—Arrangements for extracting light from the devices
- H10K50/858—Arrangements for extracting light from the devices comprising refractive means, e.g. lenses
-
- 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
- H10K59/30—Devices specially adapted for multicolour light emission
- H10K59/35—Devices specially adapted for multicolour light emission comprising red-green-blue [RGB] subpixels
-
- H—ELECTRICITY
- H10—SEMICONDUCTOR DEVICES; ELECTRIC SOLID-STATE DEVICES NOT OTHERWISE PROVIDED FOR
- H10K—ORGANIC ELECTRIC SOLID-STATE DEVICES
- H10K2101/00—Properties of the organic materials covered by group H10K85/00
Definitions
- the present invention relates to a display panel device using an organic EL (Electro Luminescence) element, a display device, and a method for manufacturing the display panel device, and more particularly to a technique for improving the light extraction efficiency of the organic EL element.
- organic EL Electro Luminescence
- the organic EL element includes a cathode, an organic layer, and an anode.
- the organic layer is formed between the cathode and the anode.
- the organic EL element is formed on the substrate.
- the organic layer includes an electron injection layer, an electron transport layer, a light emitting layer, a hole transport layer, and a hole injection layer.
- the organic layer is a layer in which a hole injection layer, a hole transport layer, a light emitting layer, an electron transport layer, and an electron injection layer are laminated in this order from the anode side.
- FIG. 20 is a diagram showing the shape of a conventional lens LS10.
- the lens base layer LB10 is also shown for explanation.
- the lens base layer LB10 is a layer on which a lens is formed.
- the lens base layer LB10 is formed of the same material as the lens LS10.
- the lens LS10 is formed on the lens base layer LB10.
- the conventional lens shown in FIG. 20 including the lens LS10 and the lens base layer LB10 is referred to as a base-equipped lens 10BL.
- FIG. 20A the upper drawing (hereinafter referred to as a top view JA) in which the character string “upper surface” is shown in association with each other is a top view of the base-equipped lens 10BL.
- the lower diagram in which the character strings “cross section” and “long axis direction” are associated with each other shows a cross section in the long axis direction of the base-equipped lens 10BL.
- the lower right diagram in which the character string “short axis direction” is shown in association with each other shows a cross-sectional view of the base-equipped lens 10BL in the short axis direction.
- the shape of the conventional lens LS10 is a shape that covers a part of the light emitting region LR10 instead of the whole light emitting region LR10 as shown in the top view JA.
- the light emitting region LR10 is a region where a light emitting layer is formed and emits light.
- FIG. 20B is a cross-sectional view of the base-equipped lens 10BL along the line A1-A1 'shown in the top view JA.
- FIG. 20C is a cross-sectional view of the base-equipped lens 10BL along the line B1-B1 'shown in the top view JA.
- FIG. 20D is a cross-sectional view of the base-equipped lens 10BL along the line C1-C1 'shown in the top view JA.
- FIG. 20E is a cross-sectional view of the base-equipped lens 10BL along the line D1-D1 'shown in the top view JA.
- FIG. 20 (f) is a cross-sectional view of the base-equipped lens 10BL along the line E1-E1 'shown in the top view JA.
- FIG. 21 is a diagram for explaining the light extraction efficiency of the conventional lens LS10.
- Angle is an angle between the direction of light traveling toward the light emitting surface and the Z axis among the light irradiated from the light emitting region LR10.
- the Z axis is an axis perpendicular to the surface of the light emitting region LR10.
- Intensity is the intensity of light.
- a characteristic curve L1 is a characteristic curve indicating a characteristic of light intensity when a lens (for example, the lens LS10) is not provided.
- the intensity of light (light having an angle of 0 degrees) emitted from the light emitting region LR10 along the Z axis is set to 1.
- a characteristic curve L2 is a characteristic curve showing the intensity of light when a conventional lens LS10 is provided above each organic EL element.
- the light extraction efficiency is improved by providing the lens LS10 as compared to the case where the lens LS10 is not provided. If the light extraction efficiency when the lens LS10 is not provided is 1, the light extraction efficiency when the lens LS10 is provided is 1.31. That is, the light extraction efficiency is improved by 31% when the lens LS10 is provided compared to the case where the lens LS10 is not provided.
- the conventional lens LS10 has the following problems.
- FIG. 20B, FIG. 20C, FIG. 20D, FIG. 20E, and FIG. 20F is incident on the position LP1 of the light emitted from the light emitting region LR10.
- An example of the locus of light emitted from the position LP1 is also shown.
- FIGS. 20B, 20C, and 20D show a state in which all of the light incident on the position LP1 and emitted from the position LP1 is extracted outside the lens with base 10BL.
- FIGS. 20B, 20C, and 20D a part of the light incident on the position LP1 and emitted from the position LP1 is reflected at the interface between the lens base layer LB10 and the air layer. And the state which has not been taken out of the lens 10BL with a base is shown.
- the conventional lens LS10 having the shape shown in FIG. 20A has a problem that the light extraction efficiency greatly decreases as the distance from the central portion of the light emitting region LR10 increases in the major axis direction of the lens LS10. There is. This is because the shape of the upper portion of the cross section in the major axis direction of the lens LS10 is an elliptical arc shape.
- the present invention has been made to solve the above-described problems, and an object of the present invention is to provide a display panel device and a display device that can realize high light extraction efficiency.
- a display panel device is provided with a pixel portion including a light emitting layer that defines a light emitting region in a shape having a major axis and a minor axis, and is disposed above the pixel portion.
- the shape of the cross section on the emission side corresponding to the minor axis direction of the light emitting region is the same, and the lens
- the emission side cross section corresponding to the minor axis direction of the light emitting region and both end portions of the emission side cross section corresponding to the major axis direction of the light emitting region are elliptic arc shapes having a predetermined curvature, and the minor axis of the light emitting region Direction and light emitting area Of both in the axial direction, deflects the light emitted from the light emitting layer.
- FIG. 1 is a block diagram illustrating a configuration of a display device according to the first embodiment.
- FIG. 2 is a diagram schematically showing the layout of the display panel device.
- FIG. 3 is a cross-sectional view illustrating an example of the configuration of the pixel portion.
- FIG. 4 is a cross-sectional view showing an example of the configuration of the organic layer.
- FIG. 5 is a top view illustrating an example of a configuration of the pixel portion.
- FIG. 6 is a cross-sectional view illustrating an example of the configuration of the lens unit.
- FIG. 7 is a diagram showing the shape of the lens.
- FIG. 8 is a diagram for explaining a lens according to the first embodiment.
- FIG. 9 is a diagram for explaining a cross-sectional shape of the lens.
- FIG. 1 is a block diagram illustrating a configuration of a display device according to the first embodiment.
- FIG. 2 is a diagram schematically showing the layout of the display panel device.
- FIG. 3 is
- FIG. 10 is a diagram illustrating a locus of light incident on the base-equipped lens.
- FIG. 11 is a diagram for explaining the light extraction efficiency of the lens.
- FIG. 12 is a diagram illustrating a part of the lens unit.
- FIG. 13 is a diagram illustrating the relationship between the refractive index and the relative intensity of light.
- FIG. 14 is a diagram for explaining a lens according to a modification of the first embodiment.
- FIG. 15 is a cross-sectional view of the lens in the long axis direction for explaining a method of manufacturing the lens portion.
- FIG. 16 is a cross-sectional view for explaining the method for manufacturing the display panel device.
- FIG. 17 is a cross-sectional view for explaining the method for manufacturing the display panel device.
- FIG. 18 is a flowchart illustrating an example of a method for manufacturing a display panel device.
- FIG. 19 is an external view of a display device including the display panel device.
- FIG. 20 is a diagram showing the shape of a conventional lens.
- FIG. 21 is a diagram for explaining the light extraction efficiency of a conventional lens.
- FIG. 22 is a diagram showing a part of the upper flat lens portion.
- a display panel device includes a pixel portion including a light emitting layer in which a light emitting region is defined in a shape having a major axis and a minor axis, and the light emitting layer disposed above the pixel portion and covering the light emitting region.
- a lens that transmits the light emitted from the light-emitting region and the lens has the same height from the light-emitting surface of the light-emitting region to the apex of the lens on the same straight line in the major axis direction of the light-emitting region, and In the long axis direction region of the light emitting region having the same height, the shape of the cross section on the emission side corresponding to the short axis direction of the light emitting region is the same, and the lens is in the short axis direction of the light emitting region.
- the corresponding exit side cross section and both end portions of the exit side cross section corresponding to the major axis direction of the light emitting area are elliptical arc shapes having a predetermined curvature, and the minor axis direction of the light emitting area and the major axis direction of the light emitting area In both Deflecting the light emitted from the light emitting layer.
- the height from the light emitting surface of the light emitting region to the apex of the lens is the same on the same straight line in the major axis direction of the light emitting region, and there are curvatures at both end portions of the cross section in the major axis direction. .
- the height from the light emitting surface of the light emitting region to the apex of the lens is the same on the same straight line, the amount of light that enters the upper surface of the same straight line out of the light emitted from the light emitting layer Becomes uniform on the same straight line. Therefore, it is possible to prevent the luminance from varying on the same straight line upper surface, and to make the luminance uniform. As a result, the light extraction efficiency in the minor axis direction can be improved.
- the lens has an elliptic arc shape in which both end portions of a cross section on the emission side corresponding to the short axis direction of the light emitting region and a cross section on the emission side corresponding to the long axis direction of the light emitting region have a predetermined curvature.
- the light extraction amount can be increased over the entire periphery of the lens, and the light extraction efficiency can be greatly improved.
- the upper end of the light emitting region in the major axis direction is covered with a portion of the lens in which both end portions are in the shape of the elliptic arc.
- the elliptical arc shape may include an arc shape.
- the resin layer that is formed over the upper surfaces of the plurality of lenses and flattens the unevenness of the plurality of lenses formed by the plurality of lenses.
- the surface of the elliptical arc-shaped lens formed at both ends of the cross section on the exit side of the lens corresponding to the short axis direction of the light emitting region and the cross section on the exit side of the lens corresponding to the long axis direction of the light emitting region is The resin layer functions as a guide surface for allowing the resin in the resin layer to flow into the recesses between the plurality of lenses.
- the resin of the resin layer flows along the surface of the elliptical arc-shaped lens and fills the recesses between the plurality of lenses. Therefore, the recesses between the plurality of lenses are filled with the resin layer without any gap, and air can be prevented from entering the recesses between the plurality of lenses. As a result, the refractive index of the lens can be prevented from changing, and light can be extracted with high accuracy.
- the resin of the resin layer is caused to flow into the recesses between the plurality of lenses, a separate guide member is not provided, but the surface of the lens having an existing configuration is used.
- the concave portions between the plurality of lenses can be filled without increasing the thickness of the film laminated thereon. Therefore, it is possible to extract light with high accuracy while preventing the lens characteristics from changing while suppressing the film thickness from increasing.
- the plurality of light emitting layers may be red, green, and blue light emitting layers.
- the lens is made of a resin having a refractive index of 1.6 to 2.1.
- the amount of light totally reflected at the boundary surface can be suppressed, and the light that is deflected without being totally reflected at the boundary surface of the lens can be extracted to the maximum extent. become. As a result, the light extraction efficiency of the lens can be maximized.
- the resin layer is composed of the second resin having a refractive index of 1.1 to 1.5.
- the amount of light totally reflected by the resin layer can be suppressed, and the light deflected without being totally reflected by the resin layer can be extracted to the maximum.
- the extraction efficiency of light deflected from the resin layer can be maximized.
- h / w is 1 or less.
- the distance from the light emitting surface of the light emitting area to the top of the lens is set so that the light emitted from the light emitting surface can reach the top of the lens without disappearing. Therefore, the light emitted from the light emitting surface can be extracted to the maximum at the apex of the lens. As a result, the light extraction efficiency can be optimized.
- the light emitting layer has a height from the light emitting surface of the light emitting region to the top of the lens corresponding to each of red, green, or blue.
- the height of the light emitting layer from the light emitting layer where the light extraction efficiency is optimal to the apex of the lens is different.
- the height of the light emitting layer from the light emitting surface of the light emitting region to the apex of the lens is defined corresponding to each of red, green, and blue.
- the lens may be a convex lens.
- the pixel portion has an upper electrode and a lower electrode, and the light emitting layer is provided between the upper electrode and the lower electrode.
- a hole injection layer is included between the light emitting layer and the lower electrode.
- a display device includes the display panel device, and a plurality of the pixel portions are arranged in a matrix.
- a method for manufacturing a display panel device is a lens that covers the light emitting region in correspondence with a light emitting layer that defines a light emitting region in a shape having a major axis and a minor axis.
- a first step of preparing a lens portion having a lens that transmits irradiated light a second step of preparing a pixel portion in which the light emitting layer is covered with a sealing layer; and a resin layer under the lens portion
- a fourth step of curing the resin layer after the lens portion and the pixel portion are bonded together, wherein the lens has the same straight line in the major axis direction of the light emitting region.
- the height from the light emitting surface of the light emitting area to the apex of the lens is the same, and the area in the major axis direction of the light emitting area where the height is the same corresponds to the minor axis direction of the light emitting area.
- the shape of the cross section on the exit side is the same, and Is an elliptical arc shape in which both end portions of the cross section on the emission side corresponding to the short axis direction of the light emitting region and the cross section on the emission side corresponding to the long axis direction of the light emitting region have a predetermined curvature, Light emitted from the light emitting layer is deflected in both the short axis direction and the long axis direction of the light emitting region.
- FIG. 1 is a block diagram illustrating a configuration of a display device 1000 according to the first embodiment.
- the display device 1000 includes a control circuit 100 and a display panel device 400.
- the display panel device 400 is an active matrix display panel device. Note that the display panel device 400 may be a passive matrix display panel device.
- the display panel device 400 is an organic EL panel using an organic EL (Electro Luminescence) element.
- the display panel device 400 is a top emission type device. Note that the display panel device 400 may be a bottom emission type device.
- the display panel device 400 includes a data line driving circuit 220, a scanning line driving circuit 300, and a display unit 410.
- the control circuit 100 controls the data line driving circuit 220 and the scanning line driving circuit 300.
- the display unit 410 includes a plurality of pixel units PX.
- the plurality of pixel portions PX are arranged in a matrix.
- Each of the plurality of pixel units PX emits light according to a signal supplied from the outside.
- FIG. 2 is a diagram schematically showing the layout of the display panel device 400.
- the data line driving circuit 220, the scanning line driving circuit 300, and the display unit 410 are formed on the substrate 5.
- FIG. 3 is a cross-sectional view showing an example of the configuration of the pixel unit PX.
- FIG. 3 shows the sealing layer 16 and the resin layer 17 that are not included in the pixel portion PX.
- the pixel unit PX includes sub-pixel units PXR, PXG, and PXB.
- the sub-pixel portions PXR, PXG, and PXB are pixel portions that emit red, green, and blue light, respectively.
- the sub-pixel unit PXB includes a substrate 5, an insulating layer 11, an anode 12 as a lower electrode, an organic layer 13, and a cathode 15 as an upper electrode.
- the insulating layer 11 is a layer for insulating the wiring layer, and is formed on the substrate 5.
- the anode 12 is an electrode having light reflectivity and is formed on the insulating layer 11.
- the organic layer 13 is a layer that emits light.
- FIG. 4 is a cross-sectional view showing an example of the configuration of the organic layer 13.
- the organic layer 13 includes a hole injection layer 131, a hole transport layer 132, a light emitting layer 133, an electron transport layer 134, and an electron injection layer 135.
- the hole injection layer 131 is a layer mainly composed of a hole injecting material and is formed on the anode 12.
- the hole transport layer 132 is a layer mainly composed of a hole transport material and is formed on the hole injection layer 131.
- the light emitting layer 133 is a layer mainly composed of an organic light emitting material that emits light by recombination of holes and electrons, and is formed on the hole transport layer 132.
- the electron transport layer 134 is a layer mainly composed of an electron transport material and is formed on the light emitting layer 133.
- the electron injection layer 135 is formed on the electron transport layer 134.
- the configuration of the organic layer 13 is not limited to the configuration shown in FIG. 4.
- the organic layer 13 includes the hole injection layer 131, the hole transport layer 132, the light emitting layer 133, and the electron transport layer 134. May be configured.
- the cathode 15 is a transparent electrode having optical transparency, and is formed on the organic layer 13 (electron injection layer 135).
- a light emitting element is formed by the anode 12, the organic layer 13, and the cathode 15.
- the light emitting element is an organic EL element.
- the organic layer 13 is provided between a cathode 15 as an upper electrode and an anode 12 as a lower electrode. That is, the light emitting layer 133 included in the organic layer 13 is provided between the cathode 15 as the upper electrode and the anode 12 as the lower electrode. Further, a hole injection layer 131 is formed between the light emitting layer 133 and the anode 12 as the lower electrode.
- the sealing layer 16 is a layer that prevents moisture, oxygen, and the like in the outside air from entering, and is formed on the cathode 15.
- the resin layer 17 is formed on the sealing layer 16.
- each of the sub-pixel units PXR and PXG has a configuration similar to that of the sub-pixel unit PXB, detailed description will not be repeated.
- the light emitting layer 133 included in the sub-pixel unit PXR is a light emitting layer that mainly emits red light (hereinafter referred to as a red light emitting layer).
- the red light emitting layer is a light emitting layer containing a material for emitting red light.
- the light emitting layer 133 included in the sub-pixel unit PXG is a light emitting layer that mainly emits green light (hereinafter referred to as a green light emitting layer).
- the green light emitting layer is a light emitting layer containing a material for emitting green light.
- the light emitting layer 133 included in the sub-pixel unit PXB is a light emitting layer that mainly emits blue light (hereinafter referred to as a blue light emitting layer).
- the blue light emitting layer is a light emitting layer containing a material for emitting blue light.
- the pixel unit PX includes sub-pixel units PXR, PXG, and PXB. Accordingly, the pixel unit PX includes a red light emitting layer, a green light emitting layer, and a blue light emitting layer.
- Each of the sub-pixel portions PXR, PXG, and PXB includes an anode 12 as a lower electrode and a cathode 15 as an upper electrode. That is, the pixel unit PX includes an anode 12 as a lower electrode and a cathode 15 as an upper electrode.
- a plurality of banks 14 are formed on the substrate 5. Each bank 14 defines a region where the organic layer 13, the cathode 15, and the sealing layer 16 are formed.
- FIG. 5 is a top view showing an example of the configuration of the pixel unit PX.
- the pixel unit PX includes sub-pixel units PXR, PXG, and PXB.
- each of the sub-pixel portions PXR, PXG, and PXB is also simply referred to as a sub-pixel portion. That is, the display unit 410 includes a plurality of subpixel units. As described above, the plurality of pixel portions PX are arranged in a matrix. Accordingly, the plurality of sub-pixel units included in the display unit 410 are arranged in a matrix.
- the sub-pixel portions PXR, PXG, and PXB include light emitting regions LR1.1, LR1.2, and LR1.3, respectively.
- Each of the light emitting regions LR1.1, LR1.2, and LR1.3 is a region formed in the light emitting layer 133 of the corresponding subpixel unit.
- the light emitting region LR1.1 is a region formed in the light emitting layer 133 included in the sub-pixel unit PXR.
- Each of the light emitting regions LR1.1, LR1.2, and LR1.3 forms a light emitting surface 19.
- the light emitting surface 19 is a surface that emits light.
- each of the light emitting regions LR1.1, LR1.2, and LR1.3 is also simply referred to as the light emitting region LR1.
- the shape of each light emitting region LR1 is a rectangle. That is, each light emitting region LR1 has a shape having a major axis and a minor axis.
- the light emitting layer 133 defines the shape of the light emitting region LR1 to a shape having a major axis and a minor axis.
- display unit 410 is electrically connected to scanning line driving circuit 300 by a plurality of scanning lines CL.
- Each of the plurality of scanning lines CL is electrically connected to a plurality of sub-pixel units arranged in each row.
- the scanning line driving circuit 300 transmits a control signal to the plurality of scanning lines CL.
- Each of the plurality of scanning lines CL is an electric wire for supplying a control signal to the sub-pixel unit to be processed.
- the display unit 410 is electrically connected to the data line driving circuit 220 by a plurality of data lines DL.
- Each of the plurality of data lines DL is electrically connected to a plurality of sub-pixel units arranged in each column.
- the data line driving circuit 220 transmits an image signal for causing the sub-pixel unit to emit light to the plurality of data lines DL.
- Each of the plurality of data lines DL is a data line for supplying an image signal to a sub-pixel unit to be processed.
- the display unit 410 further includes a plurality of lens units L18.
- the plurality of lens units L18 are respectively disposed on the plurality of pixel units PX included in the display unit 410. As described above, the plurality of pixel portions PX are arranged in a matrix. Therefore, the plurality of lens portions L18 are arranged in a matrix.
- a lens including a plurality of lens portions L18 included in the display panel device 400 is referred to as a lens portion L18A.
- FIG. 6 is a cross-sectional view showing an example of the configuration of the lens portion L18.
- the pixel portion PX is also shown for explanation.
- FIG. 6 detailed description of the same reference numerals as in FIG. 3 will not be repeated.
- a lens portion L18 is formed on the pixel portion PX.
- the lens portion L18 is bonded and fixed to the sealing layer 16 by the resin layer 17.
- Lens part L18 is lens 18. R, 18. G, 18. B and the lens base layer 18D. On the lens base layer 18D, the lens 18. R, 18. G, 18. B is formed.
- Lens 18. R is provided above the red light emitting layer (light emitting layer 133) included in the organic layer 13 in the sub-pixel unit PXR.
- Lens 18. G is provided above the green light emitting layer (light emitting layer 133) included in the organic layer 13 in the sub-pixel unit PXG.
- Lens 18. B is provided above the blue light emitting layer (light emitting layer 133) included in the organic layer 13 in the sub-pixel unit PXB. That is, the lens 18. R, 18. G, 18. B is provided corresponding to the red light emitting layer, the green light emitting layer, and the blue light emitting layer, respectively.
- the display unit 410 further includes a resin layer 20 and a sealing glass 21.
- the resin layer 20 is a layer for bonding the sealing glass 21 and the lens portion L18.
- the resin layer 20 is formed of a transparent material (for example, epoxy resin).
- Resin layer 20 is made of lens 18. R, 18. G, 18. It is formed over the upper surface of B.
- the resin layer 20 is formed from the lens 18. R, 18. G, 18. It is a layer for flattening the irregularities formed by B.
- each of B is also simply referred to as a lens 18.
- Each lens 18 is a transparent lens.
- the lens 18 is a convex lens.
- the lens base layer 18D is a layer on which a plurality of lenses 18 are formed.
- the lens base layer 18D is formed of the same material as the lens 18. That is, the lens base layer 18D is a transparent layer.
- FIG. 7 is a diagram showing the shape of the lens 18.
- a lens base layer 18D is also shown for explanation.
- a lens 18 is formed on the lens base layer 18D.
- the lens shown in FIG. 7 including the lens 18 and the lens base layer 18D is referred to as a base-equipped lens 18BL.
- the upper diagram (hereinafter referred to as a top view PA) in which the character string “upper surface” is associated and shown is a top view of the base-equipped lens 18BL.
- the shape of the lens 18 is a shape that covers the corresponding light emitting region LR1. That is, the lens 18 is disposed above the pixel unit PX and covers the corresponding light emitting region LR1. The lens 18 transmits light emitted from the corresponding light emitting layer 133.
- the lens 18 is a lens 18.
- the lens 18. R is disposed above the pixel portion PX and covers the light emitting region LR1.1.
- the lens 18. R transmits light emitted from the red light emitting layer (light emitting layer 133) included in the organic layer 13 in the sub-pixel unit PXR. It should be noted that the light is the lens 18. When transmitting through R, the transmitted light is slightly deflected.
- the lens 18 deflects the light emitted from the light emitting layer 133 both in the short axis direction of the light emitting region LR1 and in the long axis direction of the light emitting region LR1.
- the lower drawing in which the character strings “cross section” and “long axis direction” are associated with each other shows a cross section in the long axis direction of the base-equipped lens 18BL.
- the lower right diagram in which the character string “short axis direction” is associated and shown shows a cross-sectional view of the lens 18 in the short axis direction.
- FIG. 8A is a cross-sectional view showing a part of FIG. 6 in a simplified manner.
- FIG. 8A shows the light emitting surface 19.
- the light emitting surface 19 is a surface in the light emitting region LR1. That is, the light emitting surface 19 is a surface formed on the light emitting layer 133.
- the width of the lens 18 in the minor axis direction is set to w. That is, w is the length of the bottom surface of the lens 18 corresponding to the short axis direction of the light emitting region LR1. The distance from the light emitting surface 19 of the light emitting region LR1 to the apex of the lens 18 is h.
- FIG. 8B is a diagram showing a characteristic line L11 indicating the relationship between the value of h / w and the light extraction efficiency.
- h / w 1
- the light extraction efficiency is almost 1, and the light extraction efficiency is not improved. Therefore, it is preferable that h / w ⁇ 1. That is, display unit 410 in the present embodiment is configured such that h / w is 1 or less.
- FIG. 9 is a diagram for explaining a cross-sectional shape of the lens 18.
- FIG. 9A is a diagram for explaining the cross-sectional shape of the lens 18 in the major axis direction.
- the length of the range in which the height from the light emitting surface 19 of the light emitting region LR1 to the vertex of the lens 18 is the same on the same straight line in the major axis direction of the lens 18 is c
- the length of the lens 18 in the major axis direction is The height is 2 (c + d)
- the height from the bottom surface of the lens 18 to the apex of the lens 18 is b.
- the cross-sectional shape of the lens 18 in the major axis direction is defined by the following relational expressions (1) and (2).
- the cross section in the major axis direction of the lens 18 has the same height in the range of ⁇ c ⁇ x ⁇ c. That is, in the lens 18, the height from the light emitting surface 19 of the light emitting region LR1 to the vertex of the lens 18 is the same on the same straight line in the major axis direction of the light emitting region LR1.
- both end portions ( ⁇ d ⁇ x ⁇ ⁇ c, c ⁇ x ⁇ d) of the cross section on the emission side corresponding to the long axis direction of the light emitting region LR1 have an arc shape having a predetermined curvature.
- both end portions of the cross section on the emission side corresponding to the long axis direction of the light emitting region LR1 are not limited to the arc shape, and may be an elliptic arc shape.
- the elliptic arc shape includes an arc shape.
- the upper end of the light emitting region LR1 in the major axis direction is a portion of the lens 18 where both end portions of the cross section on the emission side have the elliptical arc shape. Covered.
- the end in the major axis direction of the light emitting region LR1 is, for example, a portion of the region on the left side of the A-A ′ line in the light emitting region LR1 in the top view PA of FIG.
- the height from the light emitting surface 19 of the light emitting region LR1 to the apex of the lens 18 may not be the same on the same straight line in the major axis direction of the light emitting region LR1.
- the height from the light emitting surface 19 of LR1 to the apex of the lens 18 may be different.
- the first position is, for example, a position on a line segment where the value of z is b within the range of ⁇ c ⁇ x ⁇ c in FIG.
- the second position is, for example, a position on the E-E ′ line in a region on the left side of the A-A ′ line in the light emitting region LR1 in the top view PA of FIG.
- FIG. 9B is a diagram for explaining a cross-sectional shape of the lens 18 in the minor axis direction.
- the cross-sectional shape of the lens 18 in the short axis direction is defined using the following relational expression (3).
- the cross-sectional shape of the lens 18 in the short axis direction is an arc shape. That is, in the lens 18, the cross section on the emission side corresponding to the short axis direction of the light emitting region LR1 has an arc shape.
- the cross section on the emission side corresponding to the short axis direction of the light emitting region LR1 is not limited to the arc shape, and may be an elliptic arc shape having a predetermined curvature.
- the elliptic arc shape includes an arc shape.
- the cross-sectional shape of the lens 18 in the minor axis direction is the same.
- the lens 18 has the same height from the light emitting surface 19 of the light emitting region LR1 to the apex of the lens 18 on the same straight line in the major axis direction of the light emitting region LR1. It is a part.
- FIG. 10 is a diagram showing the locus of light incident on the base-equipped lens 18BL.
- the base-equipped lens 18BL is assumed to be the same as the base-equipped lens 10BL in FIG. 20A in all elements (for example, optical characteristics) other than the shape.
- the width, height, and refractive index of the base-equipped lens 18BL are the same as the width, height, and refractive index of the base-equipped lens 10BL in FIG.
- the characteristics and shape of the light emitting region LR1 are the same as the characteristics and shape of the light emitting region LR10, respectively.
- FIG. 10A is a cross-sectional view of the base-equipped lens 18BL along the line A-A ′ shown in the top view PA of FIG.
- FIG. 10B is a cross-sectional view of the base-equipped lens 18BL along the line B-B ′ shown in the top view PA.
- FIG. 10C is a cross-sectional view of the base-equipped lens 18BL along the line C-C ′ shown in the top view PA.
- FIG. 10D is a cross-sectional view of the base-equipped lens 18BL along the line D-D ′ shown in the top view PA.
- FIG. 10E is a cross-sectional view of the base-equipped lens 18BL along the line E-E ′ shown in the top view PA.
- 10 (a), 10 (b), 10 (c), 10 (d), and 10 (e) respectively enter the position LP2 of the light emitted from the light emitting region LR1, and the position An example of the locus of light emitted from LP2 is shown.
- the light traveling from the inside of the lens with base 18BL toward the air layer is slightly deflected.
- the trajectory of slightly deflected light is indicated by a straight arrow for convenience of illustration.
- FIG. 10B, FIG. 10C, FIG. 10D, and FIG. 10E each enter the position LP2, and all of the light emitted from the position LP2 is outside the lens 18BL with base. Shows the state of being taken out.
- the base-equipped lens 18BL can extract light in the minor axis direction more efficiently than the conventional base-equipped lens 10BL.
- cross-sectional shape of the base-equipped lens 18BL shown in FIG. 10A may be the same as the cross-sectional shape of the base-equipped lens 18BL shown in FIG. Thereby, the light extraction efficiency can be further improved.
- the characteristic curve L1 has been described with reference to FIG.
- the characteristic curve L2A is a characteristic curve showing the relationship between the light intensity and the angle when the lens 18 is provided above each sub-pixel portion.
- the refractive index of the lens 18 is 1.5.
- the “refractive index” is a refractive index when a target member is measured with light having a wavelength of 530 nm.
- the refractive index of the lens 18 is a refractive index when measured with light having a wavelength of 530 nm.
- the light extraction efficiency is improved when the lens 18 is provided as compared with the case where the lens 18 is not provided.
- the light extraction efficiency when the lens 18 is not provided is 1, the light extraction efficiency when the lens 18 is provided is 1.41. That is, the light extraction efficiency is improved by 41% when the lens 18 is provided, compared to the case where the lens 18 is not provided.
- the light extraction efficiency when the conventional lens LS10 is provided is improved by 31%.
- the conventional lens LS10 having the shape shown in FIG. 20A has a higher light extraction efficiency as the distance from the central portion of the light emitting region LR10 increases in the major axis direction of the lens LS10. There is a problem that it decreases. This is because the shape of the upper portion of the cross section in the major axis direction of the lens LS10 is an arc shape.
- an upper flat lens a lens obtained by flattening the upper part of the cross section in the major axis direction of the lens LS10 is referred to as an upper flat lens.
- a lens composed of a plurality of upper flat lenses in the case where an upper flat lens is arranged above each of the plurality of pixel portions arranged in a matrix form will be referred to as an upper flat lens portion L10A.
- the upper flat lens portion L10A is not a lens portion in the present embodiment.
- FIG. 22 is a diagram showing a part of the upper flat lens portion L10A.
- FIG. 22A is a view showing a cross section in the short axis direction of the upper flat lens portion L10A. That is, a plurality of upper flat lenses are arranged in the minor axis direction.
- the sealing glass 210 is provided on the upper flat lens portion L10A.
- the upper flat lens portion L10A and the sealing glass 210 are bonded by the resin 200.
- the lens portion L18A of the present embodiment has the following configuration.
- FIG. 12 is a diagram showing a part of the lens portion L18A.
- the lens portion L18A is a lens including a plurality of lens portions L18 included in the display panel device 400.
- FIG. 12A is a diagram showing a cross section in the short axis direction of the lens portion L18A.
- a sealing glass 21 is provided on the upper portion of the lens portion L18A.
- the lens portion L18A and the sealing glass 21 are bonded by the resin layer 20.
- a plurality of lens portions L18 are arranged in the minor axis direction.
- the resin layer 20 is a layer that flattens the unevenness formed by the plurality of lens portions L18 constituting the lens portion L18A.
- Each lens portion L18 includes three lenses 18 described above having the shape shown in FIG. That is, the resin layer 20 is a layer for flattening the unevenness formed by the plurality of lenses 18 constituting the lens portion L18A.
- FIG. 12B is a diagram showing a cross section of the lens portion L18A in the long axis direction.
- a plurality of lens portions L18 are arranged in the major axis direction.
- Each lens portion L18 includes the above-described lens 18 having the shape shown in FIG.
- the cross section in the long axis direction of the lens 18 is an elliptic arc shape (arc shape) in which both end portions of the cross section have a predetermined curvature. is there.
- the cross section of the lens 18 in the minor axis direction has an elliptical arc shape (arc shape) having a predetermined curvature.
- the surface of the elliptical arc-shaped (arc-shaped) lens formed on both end portions of the cross section in the short axis direction of the lens portion L18 and the cross section in the long axis direction of the lens portion L18 includes a plurality of resins constituting the resin layer 20. It functions as a guide surface that flows into the recesses between the lenses 18.
- the resin constituting the resin layer 20 flows along the surface of the elliptical arc-shaped (arc-shaped) lens 18 and fills the recesses between the plurality of lenses 18. Therefore, the recesses between the plurality of lenses 18 are filled with the resin layer 20 without any gap, and air can be prevented from entering the recesses between the plurality of lenses. As a result, the characteristics of the lens 18 can be prevented from changing and light can be extracted with high accuracy.
- the resin constituting the resin layer 20 is caused to flow into the recesses between the plurality of lenses 18, a separate guide member is not provided, but the surface of the lens 18 having an existing configuration is used.
- the concave portions between the plurality of lenses 18 can be filled without increasing the film thickness stacked on the PX. Therefore, it is possible to extract light with high accuracy while preventing the characteristic of the lens 18 from changing while suppressing the film thickness from increasing.
- the refractive index of the lens 18 is 1.78
- the refractive index of the resin layer 20 is 1.35.
- FIG. 13A is a diagram showing the relationship between the refractive index of the lens and the relative intensity of light.
- relative intensity means LIT1 / LIT0 when the light intensity when no lens is provided is LIT0 and the light intensity when the lens is provided is LIT1. Value. The greater the relative intensity value, the greater the light extraction efficiency.
- “Lens refractive index” is the refractive index of the lens 18.
- the characteristic curve L3 is a characteristic curve showing the relationship between “relative intensity” and “lens refractive index”.
- FIG. 13A shows a change in light extraction efficiency when the refractive index of the lens 18 is changed.
- the material which comprises the lens 18 will not be specifically limited if the conditions of the said refractive index can be satisfy
- the material constituting the lens 18 may be a resin such as an acrylic resin, an epoxy resin, or polyethylene terephthalate.
- FIG. 13B is a diagram showing the relationship between the refractive index of the resin layer and the relative intensity of light.
- the “relative strength” has been described with reference to FIG. 13B.
- the “resin layer refractive index” is the refractive index of the resin layer 20.
- the characteristic curve L4 is a characteristic curve showing the relationship between “relative strength” and “resin layer refractive index”.
- FIG. 13B shows a change in light extraction efficiency when the refractive index of the resin layer 20 is changed.
- the resin layer 20 in the present embodiment is made of a resin having a refractive index of 1.1 to 1.5.
- the material which comprises the resin layer 20 will not be specifically limited if the conditions of the said refractive index can be satisfy
- the material constituting the resin layer 20 may be, for example, an epoxy resin, an acrylic resin, or a silicon resin.
- the lens 18 and the resin layer 20 made of the above materials By using the lens 18 and the resin layer 20 made of the above materials, the amount of light totally reflected at the boundary surface among the incident light incident on the boundary surface of the lens 18 can be suppressed. In this case, it is possible to extract light deflected without being totally reflected. As a result, the light extraction efficiency of the lens 18 can be maximized.
- the light extraction efficiency can be significantly improved. That is, high light extraction efficiency can be realized.
- the distance from the light emitting surface 19 to the apex of the lens 18 is set to a different distance in each of the sub-pixel portions PXR, PXG, and PXB constituting the pixel portion PX.
- the display device in the modification of the present embodiment is the display device 1000 described in the first embodiment. Therefore, detailed description of display device 1000 will not be repeated.
- the configuration is such that the extraction efficiency of green (G) light is increased in order to increase the resolution of the image displayed on the display unit 410.
- the thickness of the organic layer 13 included in the sub-pixel unit PXG is maximized. Further, among the sub-pixel portions PXR, PXG, and PXB, the film thickness of the organic layer 13 included in the sub-pixel portion PXB is minimized.
- the distances h1, h2, and h3 satisfy the relationship of h2> h1> h3.
- the relationship is not limited to h2> h1> h3.
- the optimum height of the lens 18 is different for each color.
- the height from the light emitting surface 19 of the light emitting region LR1 to the apex of the corresponding lens according to the color (red, green, or blue) of light emitted from the light emitting layer 133 of each of the sub-pixel portions PXR, PXG, and PXB. Is defined. That is, in each light emitting layer 133, the height from the light emitting surface 19 of the light emitting region LR1 to the top of the corresponding lens is defined corresponding to each of red, green, or blue.
- the light extraction efficiency can be maximized corresponding to each color.
- FIG. 15 is a cross-sectional view of the lens in the long axis direction for explaining a method of manufacturing the lens portion L18A.
- the mold MB1 and the mold MB2 are arranged as shown in FIG.
- the mold MB1 is a mold in which only the shape of the lens portion L18A shown in FIG.
- the mold MB2 is a planar mold. That is, a space having a shape of the lens portion L18A shown in FIG. 12B (hereinafter referred to as a lens space) is provided between the mold MB1 and the mold MB2.
- the lens space is filled with a resin (for example, an acrylic resin or an epoxy resin) as a lens material (see FIG. 15B).
- a resin for example, an acrylic resin or an epoxy resin
- the resin filled in the lens space is irradiated with ultraviolet rays. As a result, the resin filled in the lens space is cured.
- the mold MB1 is removed (see FIG. 15C). Thereby, the lens portion L18A is generated.
- FIGS. 16 and 17 are cross-sectional views for explaining a method of manufacturing the display panel device 400.
- the shape of some of the components shown in FIGS. 16 and 17 is a simplified shape.
- FIG. 18 is a flowchart showing an example of a method for manufacturing the display panel device 400.
- FIG. 18 shows only main manufacturing steps in the method for manufacturing the display panel device 400.
- a lens part preparation step (S110) as a first step is performed.
- the lens part L18A is prepared (see FIG. 16A).
- the lens unit L18A includes the lens 18.
- the lens 18 is a lens that covers the light emitting region LR1 so as to correspond to the light emitting layer 133 in which the light emitting region LR1 is defined in a shape having a major axis and a minor axis, and transmits the light emitted from the light emitting layer 133. is there. That is, the lens part preparation step is a step of preparing the lens part L18A.
- a sealing glass bonding process is performed.
- a resin layer 20 as an adhesive layer is formed on the lens portion L18A (see FIG. 16B).
- the sealing glass 21 is mounted on the resin layer 20 (refer FIG.16 (c)). Accordingly, the sealing glass 21 is bonded to the lens portion L18A via the resin layer 20.
- a pixel part preparation step (S120) as a second step is performed.
- a pixel part PX in which the upper side of the light emitting layer 133 is covered with the sealing layer 16 is prepared (see FIG. 17A).
- FIG. 17A shows a plurality of pixel portions PX as pixel portions PX for the sake of simplification. That is, the pixel portion preparation step is a step of preparing the pixel portion PX in which the light emitting layer 133 is covered with the sealing layer 16.
- a resin layer forming step as a third step is performed (S130).
- the resin layer 17 is formed under the lens portion L18A (see FIG. 17A). That is, the resin layer forming step is a step of forming the resin layer 17 under the lens portion L18A.
- a bonding process as a fourth process is performed (S140).
- the lens portion L18A in which the resin layer 17 is formed on the lower portion and the pixel portion PX in which the sealing layer 16 is formed on the upper portion are bonded together. Thereafter, the resin layer 17 is cured. Thereby, the lens portion L18A is joined to the pixel portion PX via the resin layer 17 and the sealing layer 16 (see FIGS. 6 and 17B).
- the bonding step is a step of curing the resin layer 17 after bonding the lens portion L18A and the pixel portion PX.
- the display unit 410 in which the lens unit L18A is formed above the plurality of pixel units PX is manufactured.
- the display panel device 400 is manufactured by forming the data line driving circuit 220, the scanning line driving circuit 300, and the like of FIG.
- FIG. 19 is an external view of a display device 1000 including the display panel device 400.
- FIG. 19 is an external view of a display device 1000 including the display panel device 400.
- the display panel device 400 of the present invention can greatly improve the light extraction efficiency, it is useful as a high-efficiency display.
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Abstract
Description
なる関係式を用いて規定され、前記レンズの短軸方向をy方向とし、前記レンズの高さ方向をz方向とするy-z平面に前記レンズの短軸方向の断面を投影した場合、前記レンズの短軸方向の長さを2aとする。この場合、前記レンズの短軸方向の断面形状は、
(表示装置の構成)
図1は、第1の実施の形態における表示装置1000の構成を示すブロック図である。図1に示されるように、表示装置1000は、制御回路100と、表示パネル装置400とを備える。
第1の実施の形態では、発光領域LR1の発光面19から、レンズ18の頂点までの距離は、対応する各サブ画素部において同じとした。
次に、複数のレンズ18から構成されるレンズ部L18Aの製造方法について説明する。
次に、表示パネル装置400の製造方法について説明する。
図19は、表示パネル装置400を備える表示装置1000の外観図である。
LR1.1,LR1.2,LR1.3,LR1 発光領域
PX 画素部
PXR,PXG,PXB サブ画素部
12 陽極
13 有機層
15 陰極
17,20 樹脂層
18BL ベース付レンズ
18D レンズベース層
18.R,18.G,18.B レンズ
220 データ線駆動回路
300 走査線駆動回路
400 表示パネル装置
410 表示部
1000 表示装置
Claims (15)
- 長軸及び短軸を有する形状に発光領域を規定した発光層を含む画素部と、
前記画素部の上方に配置され前記発光領域を覆い、前記発光層から照射される光を透過するレンズと、を備え、
前記レンズは、前記発光領域の長軸方向の同一直線上において前記発光領域の発光面から前記レンズの頂点までの高さが同一であり、且つ前記高さが同一である前記発光領域の長軸方向の領域では前記発光領域の短軸方向に対応する出射側の断面の形状が同じであり、
前記レンズは、前記発光領域の短軸方向に対応する出射側の断面及び前記発光領域の長軸方向に対応する出射側の断面の両端部分が所定の曲率を有する楕円弧形状であり、前記発光領域の短軸方向及び前記発光領域の長軸方向の双方において、前記発光層から照射される光を偏向させる
表示パネル装置。 - 前記発光領域の長軸方向の端部の上方は、前記レンズのうち前記両端部分が前記楕円弧形状である部分に覆われている、
請求項1記載の表示パネル装置。 - 前記楕円弧形状は円弧形状を含む
請求項1記載の表示パネル装置。 - 前記画素部は、複数の発光層を含み、
前記レンズは、前記複数の発光層の各々に対応して複数設けられ、
前記複数のレンズの上面にわたって形成され、前記複数のレンズにより形成された前記複数のレンズの凹凸を平坦化する樹脂層を設け、
前記発光領域の短軸方向に対応する前記レンズの出射側の断面及び前記発光領域の長軸方向に対応する前記レンズの出射側の断面の両端部分に形成された楕円弧形状のレンズの表面は、前記樹脂層の樹脂を前記複数のレンズの間の凹部に流動させるガイド面である
請求項1~3のいずれか1項に記載の表示パネル装置。 - 前記複数の発光層は、赤色、緑色、青色の発光層である
請求項4記載の表示パネル装置。 - 前記レンズは、屈折率が1.6~2.1のいずれかである樹脂により構成される
請求項1記載の表示パネル装置。 - 前記レンズは、屈折率が1.6~2.1のいずれかである第1の樹脂により構成され、
前記樹脂層は、屈折率が1.1~1.5のいずれかである第2の樹脂により構成される
請求項4記載の表示パネル装置。 - 前記発光領域の短軸方向に対応する前記レンズの底面の長さをwとし、前記発光領域の発光面から前記レンズの頂点までの距離をhとした場合、h/wは1以下である
請求項1記載の表示パネル装置。 - 前記発光層は、赤色、緑色、又は青色の各々に対応して、前記発光領域の発光面から前記レンズの頂点までの高さが規定される
請求項5記載の表示パネル装置。 - 前記レンズの長軸方向をx方向とし、前記レンズの高さ方向をz方向とするx-z平面に前記レンズの長軸方向の断面を投影した場合、前記レンズの長軸方向の同一直線上において前記発光領域の発光面から前記レンズの頂点までの高さが同一である範囲の長さをcとし、前記レンズの長軸方向の長さを2(c+d)とし、前記レンズの底面から頂点までの高さをbとすると、
前記レンズの長軸方向の断面形状は、
前記レンズの短軸方向をy方向とし、前記レンズの高さ方向をz方向とするy-z平面に前記レンズの短軸方向の断面を投影した場合、前記レンズの短軸方向の長さを2aとすると、
前記レンズの短軸方向の断面形状は、
請求項1記載の表示パネル装置。 - 前記レンズは、凸レンズである
請求項1記載の表示パネル装置。 - 前記画素部は、上部電極と、下部電極と、を有し、
前記発光層は、前記上部電極及び前記下部電極の間に設けられている
請求項1~11のいずれか1項に記載の表示パネル装置。 - 前記発光層と前記下部電極との間には正孔注入層を含む
請求項12に記載の表示パネル装置。 - 請求項1~13のいずれか1項に記載の表示パネル装置を備え、
前記画素部が複数個マトリクス状に配置されている
表示装置。 - 長軸及び短軸を有する形状に発光領域を規定した発光層に対応させて前記発光領域を覆うレンズであって前記発光層から照射される光を透過するレンズを有するレンズ部を準備する第1工程と、
封止層にて前記発光層が覆われた画素部を準備する第2工程と、
前記レンズ部の下に樹脂層を形成する第3工程と、
前記レンズ部と前記画素部とを貼り合わせた後、前記樹脂層を硬化させる第4工程と、を含み、
前記レンズは、前記発光領域の長軸方向の同一直線上において前記発光領域の発光面から前記レンズの頂点までの高さが同一であり、且つ前記高さが同一である前記発光領域の長軸方向の領域では前記発光領域の短軸方向に対応する出射側の断面の形状が同じであり、
前記レンズは、前記発光領域の短軸方向に対応する出射側の断面及び前記発光領域の長軸方向に対応する出射側の断面の両端部分が所定の曲率を有する楕円弧形状であり、前記発光領域の短軸方向及び前記発光領域の長軸方向の双方において、前記発光層から照射される光を偏向させる
表示パネル装置の製造方法。
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JP2011543931A JP5208282B2 (ja) | 2009-10-15 | 2010-10-05 | 表示パネル装置、表示装置および表示パネル装置の製造方法 |
KR1020127007898A KR101372031B1 (ko) | 2009-10-15 | 2010-10-05 | 표시 패널 장치, 표시 장치 및 표시 패널 장치의 제조 방법 |
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JPWO2011045904A1 (ja) | 2013-03-04 |
CN102550126A (zh) | 2012-07-04 |
KR101372031B1 (ko) | 2014-03-07 |
CN102550126B (zh) | 2015-09-02 |
JP5208282B2 (ja) | 2013-06-12 |
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US20120175648A1 (en) | 2012-07-12 |
US9088008B2 (en) | 2015-07-21 |
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