TWI224297B - Color tunable panel of organic electroluminescent displays - Google Patents

Abstract

A color tunable panel of organic electroluminescent displays at least comprises a transparent substrate, an organic light-emitting area, a micro-lens array and a separating layer. In this case, the transparent substrate has a first surface and a second surface being the opposite side of the transparent substrate. The organic light-emitting area comprises a plurality of pixels, which are formed on the first surface of the transparent substrate, and the pixel emits white light. The micro-lens array includes a plurality of micro-lenses. The micro-lenses are formed on the second surface of the transparent substrate. Each micro-lens is mixed with a fluorescent material and/or a phosphorescent material. The separating layer is formed on the second surface of the transparent substrate for separating the micro-lenses.

Description

1224297

The present invention relates to a tintable organic light-emitting display panel, and particularly to a tintable organic light-emitting display panel having a microlens array. (A), [Previous technology] The full-color technology used in the organic light-emitting display of the Mim can be divided into three types. The first type is the "three-primary color light emission that uses three primary colors of R, G, and β as independent light-emitting pixels. "Layer method", the second is a "color conversion structure method" that uses blue materials with red and green organic phosphors to produce various colors, and the third is a "color filter" that uses a white light-emitting layer and a color filter. Slice method ", the" color conversion structure method "will be described below. The technology of the color conversion structure method is based on the development of Idemitsu Kosan Co., Ltd. as shown in Figure 1. The full-color display panel 1 includes an organic light-emitting area 11, a planarization layer 12, a color conversion layer 13, and a The glass substrate 14; the organic light-emitting region 11 is formed on the planarization layer 丨 2, and the planarization layer 丨 2 is formed on the color conversion layer 13. The color conversion layer 13 is formed on the glass substrate η. The organic light-emitting region 11 has a first electrode 丨 j, an organic functional layer 11 2, and a second electrode 11 3, which are sequentially formed on the planarization layer 丨 2, and the organic s energy layer 1 1 2 It is a white light emitting material, which makes the organic light emitting area! j emits a white light. The color conversion layer 13 has a plurality of blue filters 131, a plurality of green filters 1 3 2, a plurality of red filters i 3, a plurality of blue conversion films 131 ', The plurality of green conversion films 丨 32, and the plurality of red conversion films 133 ', the color conversion films 131, 132, and 133 are formed on the filters 131, 132, and 133, respectively, and the filters 131, 132, and The 133 series respectively correspond to the daylight in the organic light-emitting area 11. 1224297

I Case Study 92ΐπη? Η 5. Description of the Invention (2) Here, the white light emitted by the 'organic light-emitting area 1 1' passes through the blue conversion film 1 3 1, the green conversion film 1 3 2 ', and the red conversion film 1 3 3 And converted into blue, green, and red light, and then blue, green, and red light pass through the blue light filter 131, the green filter 132, and the red filter 133, respectively, so that k 幵 blue, green, and The individual color purity of the three red primary colors is finally combined with the three R, G, and B primary colors generated by the driving circuit to form the required full-color daylight surface. However, in the conventional full-color display panel j, since at least three photomask processes need to be used to form blue, green, and red filters 131, 13 and 3, respectively, blue, The conversion of green and red colors 31 ', 132', and 13 3 'is more complicated and costly. Also, thanks to the full color display panel! The flattening layer 2 must be used to flatten the entire panel, so that the thickness of the entire panel becomes thicker, which does not conform to the trend of lightness, shortness, and smallness. Well :::: Privately to the organic light-emitting display panel +, generated inside the element. Less :, ;; most of the loss in the process of Γϊ to the outside of the element, so the way ,: convex 2 shovel 1 external quantum efficiency. The conventional technology uses an external quantum-refractive-index-added substrate light-emitting surface, and attaches a lens 21 with a lens 21; the second element of the two yuan / diameter 2 Å to "ra convexity and the substrate 22 phase Π I first T pieces to emit light 'If the material of the convex lens 21 is two or two f ㈣, its luminous flux of 7 ° pieces can be increased by 0.6 times to 1 b. Β ;; when the convex lens 21 with a higher refractive index is used, its element luminous flux = two A lens with a diameter that increases external quantum efficiency-too thick (several mm), making the structure of the entire element over 1224297

Large does not correspond to the m of the light-emitting element ... ~ 1 Ding to find obstacles, girls, small trends. In addition, since the lens is adhered to the light-emitting surface i with a matching oil, it is easy to cause the lens to peel off, and the service life of the element is not long. Because of this, w Zhan Mingren, in the spirit of active invention, is thinking about a "colorable organic luminescence research experiment to the end of this subject & this is the invention that benefits the people." ^ Research (3), [Summary of the Invention] The object of the present invention is to provide a color-adjustable organic light-emitting display panel capable of adjusting color and increasing luminous efficacy. In order to achieve the above-mentioned object, the present invention provides a tintable organic light-emitting display panel, wherein the tintable organic light-emitting display panel has a transparent substrate, an organic light-emitting area, a microlens array, and a separation layer. The transparent substrate has a first surface and a second surface opposite to each other. The organic light-emitting area has a plurality of daylight emitting white light. The pixels are formed on the first surface of the transparent substrate. The microlens array system A plurality of microlenses are formed on the second surface of the transparent substrate, and the microlens array is doped with a fluorescent and / or a phosphorescent substance; the separation layer is formed on the second surface of the transparent substrate. To separate the microlenses. To achieve the above object, the present invention provides a tintable organic light-emitting display panel, wherein the tintable organic light-emitting display panel has a transparent substrate: a plate, an organic light-emitting area, a microlens array, and a separation layer. Among them, the transparent substrate has a first surface and a second surface opposite to each other; the organic light-emitting area has a plurality of daylight emitting short-wavelength light, and the pixels are formed on the first surface of the transparent substrate; Lens array

1234297 Amendment No. 921230S1 V. Description of the invention (4) The lens' microlens is formed on the second surface of the transparent substrate, and the microlens array is doped with a fluorescent and / or a phosphorescent substance; the separation layer is formed at The second surface of the transparent substrate is used to separate the microlenses.

According to the above description, in the color-adjustable organic light-emitting display panel of the present invention, microlenses replaced with glory and / or phosphorescent materials are formed on the second surface of the transparent substrate and separated by a separation layer. Compared with the conventional technology, the microlenses doped with fluorescent and / or phosphorescent substances of the present invention can convert white light or short-wavelength light (ultraviolet light or blue light) emitted by the organic light-emitting area into monochromatic light of various colors and mixed colors. Light or wideband spectrum white light to form monochromatic light, mixed-color light, white light or full-color organic light-emitting display panel. At the same time, the luminous efficiency of the panel can be increased, which effectively compensates for the light in the conventional color conversion structure method. The luminous efficiency is attenuated due to absorption by the color conversion film and the filter film. In addition, the present invention can be used with a filter film to purify the purity of light of each color or to emit light of a desired color, thereby increasing the application of the existing organic light-emitting display panel to different colors. In addition, the microlenses doped with fluorescent and / or light-filling substances of the present invention can also improve the purity of the white light emitted by the organic light-emitting area, and provide a uniform and wide spectrum of optical radiation, thereby avoiding the formation of a spectrum with a specific azimuth. Meet the application of full color display. Furthermore, the special shape of the microlenses can reduce the possibility that light is confined to the panel, thereby improving the external quantum efficiency of the organic light-emitting display panel. In addition, the present invention has a separation layer 'which can restrict the direction of travel of light emitted by the microlenses, thereby reducing scattering and interference. In addition, microlenses can be formed by an inkjet process, which not only has simple steps and convenient operations, but also has low production costs, and is extremely suitable for practical commercialization. In summary, the microlenses doped with fluorescent and / or phosphorescent materials of the present invention have the effect of modulating the color of light emitted from the panel.

Page 9! 2? 4297 92123081 V. Description of the invention (5) The emissivity micro-lens can compensate the luminous efficiency when filtering, and provides a uniform light shot = rate two losses' and then = the aperture ratio of the daytime prime And improve the display even more: Improve the panel. ”Organic light-emitting display panel is full-color display, two: outside, when can be withered: the three primary colors required by the selective deposition process of the daylight element, using the original technology and then limited to the mask (The precise surface of Shad0W Masl0, the analysis is rigorous. The present invention is to apply the existing mature glory / disc materials and ground to organic light-emitting display panels to accelerate the commercialization of organic light-emitting display panels that can be colored in a week. «(Four), [Embodiments] Several embodiments of the tintable organic light-emitting display panel of the present invention will be described with reference to the related drawings < First Embodiment Please refer to FIG. 3A, the first embodiment of the present invention It is a color-adjustable organic light-emitting display panel 3, which includes a transparent substrate 31, an organic light-emitting area 32, a microlens array 33, and a separation layer 34. The transparent substrate 3 has a first table opposite to each other. 311 and a second surface 312; the organic light region 32 has a plurality of pixels emitting white light, and the pixels are formed on the first surface 311 of the transparent substrate 31; the microlens array 33 has a plurality of microlenses 331, the microlens 331 is formed on the second surface 312 of the transparent substrate 31, and the microlens 331 is doped with a fluorescent and / or a phosphorescent substance; the separation layer 34 is formed on the second surface 312 of the transparent substrate 31 It is used to separate the microlenses 331. Please refer to FIG. 3A again, the transparent substrate 31 in this embodiment may be a flexible substrate.

1224297 _Case No. 92123081_Year Month Day Amendment 5. Description of the Invention (6) (Π ex i b 1 e) substrate or a rigid (r i g i d) substrate. Meanwhile, the transparent substrate 31 may also be a plastic substrate or a glass substrate. The flexible substrate and the plastic substrate may be a polycarbonate (PC) substrate, a polyester (PET) substrate, a cyclic olefin copolymer (COC) substrate, or a metal chromium substrate. A metallocene-based cyclic olefin copolymer (mCOC) substrate.

The 'organic light-emitting area 32' in FIG. 3A has a plurality of pixels that emit white light. The pixels sequentially include a first electrode 321, at least one organic functional layer 32, and a second electrode 323. The first electrode 321 can be formed on the transparent substrate 31 by a sputtering method or an ion plating method. Here, the first electrode 321 is usually used as an anode and its material is usually a transparent and conductive metal oxide, such as indium tin oxide (ιτο), zinc aluminum oxide (AZ0), or indium zinc oxide (IZ). The functional layer 3 2 2 is formed on the first electrode 3 2 1. The organic functional layer 32 2 generally includes a hole injection layer, a hole transfer layer, an organic light emitting layer, an electron transfer layer, and an electron injection. Layer (not shown). The main material of the hole injection layer is copper phthalocyanine (CuPc). The material of the hole transport layer is mainly 4 bis [N- (l-naphthylphenyl ami no] biphenyl (NPB), electron The material of the injection layer is mainly fluorinated * (UF), and the material of the electric transmission layer or the organic light emitting layer is mainly

tr i s (8-quinol i nato ~ Ml no, i ·, and also spin-coated LU wi, 〇8) -aluminum (Ala machine functional layer 322 uses 蒗 and r ^., m (evaporation)

Η im 12 ^ 4297 ___ Case No. 92123081_Year Month Chromium 丨 下 __ V. Description of the Invention (7) (spin coat ing), ink jet print (ing) or printing On the first electrode 321. Here, the light emitted by the organic functional layer 32 2 is broadband white light, which can be mixed by using, for example, orange and blue complementary light emitting materials, and of course, other complementary light emitting materials can also be mixed. The second electrode 323 is formed on the organic functional layer 322. Here, the second electrode 32 3 is formed on the organic functional layer 3 2 2 by a method such as evaporation or sputtering. In addition, the material system of the second electrode 3 2 3 may be selected from, but not limited to, aluminum (A1), calcium (Ca), magnesium (Mg), indium (In), tin (Sn), manganese (Mn), and silver ( Ag), gold (Au), and magnesium-containing alloys (such as magnesium silver (Mg: Ag) alloy, magnesium indium (Mg: In) alloy, magnesium tin (Mg: Sn) alloy, magnesium antimony (Mg: Sb) alloy, and Magnesium tellurium (Mg: Te) alloy). Referring to FIG. 3A again, the microlens 331 is formed on the second surface 312 of the transparent substrate 31. The microlens 331 is a curved surface, and the surface may be a part of a spherical shape, as shown in FIG. 4A. Show. Of course, the microlens 331 can also be a part of a cylindrical shape, as shown in FIG. 4β. At the same time, the microlens 331 can also be a convex curved surface around a regular polygon, such as a convex curved surface around a square, as shown in FIG. 4C. The microlenses 331 can be formed by an inkjet method. The microlenses 331 correspond to pixels, respectively. ^ Next, the microlenses 331 are doped with fluorescent and / or phosphorescent substances. Among them, the light-emitting substance is red fluorescent powder, green fluorescent powder or blue fluorescent powder and the disc-lighting material is red scale powder, green linden light powder or blue wall light powder, such as Figure 3A. The microlenses 3 3 1 are based on the mixing of fluorescent materials and / or phosphorescent materials,

Page 12 1224297

The color of the light further satisfies the need for color-tunable organic light emission. In addition, the micro lens 33H is a transparent interface panel. The material can be selected from, but not limited to, polymethylmethacrylate (PMMA), transparent medium (Polymethylmethacrylate, PMMA), four = r secret wealth (Tetrafluoroethylene resin), silicone resin (s, silicon dioxide, etc.). For example, the transparent person @ ^ esln) (Ught-cured material), this photo-curable material can be cured by irradiating ultraviolet light. Also, the transparent medium may have adhesiveness or waterproofness, and it may be adhered to the transparent substrate 3 with additional sealant. In contrast, fluorescent materials do not contain T. One or more inorganic pigments are included. Here, the red fluorescent powder can be an azo dye (organic dye) or Y2O2S: Eu3 +, Bi3 + (inorganic pigment); the green fluorescent powder can be a copper titanium cyan dye (CuPc, organic dye) or SrGa2 04: Eu2 + (inorganic pigment); the blue fluorescent powder can be a cyanine dye (organic dye) or SrGazS4: Eu2 + (inorganic pigment), etc. In this embodiment, the fluorescent substance may be a nano-grade powder. In addition, the phosphorescent substance may include one or more organic dyes or one or more inorganic pigments. Here, the red light powder can be 2, 3, 7, 8,

12, 13, 17, 18-octaethyl-12H, 23H-porphine platinum (II) [PtOEP] or

Tris- (4,4,4-trifluoro-l- (2-thienyl) -l, 3_butanedion 〇) -1,10-phenanthroline europium (III) [Eu (TTA) 3phen]; the green phosphorescent powder can be

Bis (2-phenyl-pyridinato-N, C2) iridium (acetylacetone) [ppy2Ir (acac)] or Iridium (III) bis (tolypyridine)

Page 13 1224297 Case No. 92123081 Revision V. Description of the invention (9) salicyclidene [tpylrsd]; the blue phosphorescent powder can be

Iridium-bis (4,6-di-flu.rophenyl-pyridinat〇-N, C2) -p icolinate [Firpic] or

Bis [(4, 6-di fluorophenyl-pyridinato-N, C2) iridium (ac etylacetone) [Fir (acac)] and so on. In this embodiment, the phosphorescent material may be a nano-grade powder. Referring to FIG. 3A again, the separation layer 34 is formed on the second surface 31 2 of the transparent substrate 31 to separate the microlenses 3 3 1 so as to control the traveling direction of light. The color-adjustable organic light-emitting display panel 3 of this embodiment further includes a pixel definition layer 36 which is located on the first electrode 321 (not shown) and / or the first surface 311 of the transparent substrate 31 to define an organic The pixels of the light-emitting area 32 may have the effect of black shading or reflection at the same time, which can avoid the mixing of light by different pixels, and control the traveling direction of light and increase the utilization and uniformity of light. In addition, the color-adjustable organic light-emitting display panel 3 of this embodiment further includes a plurality of light-transmitting films 37 formed on the microlenses 331. The filter film 37 is at least one selected from the group consisting of a red filter, a light film 371, a green filter film 372, and a blue filter film 3 73. As shown in FIG. 3B, between the microlens array 33 and / or the separation layer 34 and the first surface 312 of the transparent substrate 31, it may further include a medium layer 39 'and doped with fluorescent light and / Microlenses mi or phosphorescent substances are formed on the dielectric layer 39. Furthermore, the color-adjustable organic light-emitting display panel 3 of this embodiment further includes a driving circuit (not shown) and a sealing element 35. This drive circuit

Page 141224297 — _ Case No. 9212 卽 81 Che Yueyin Article __ V. Description of the invention (10) It can be a passive drive circuit or an active drive circuit, which is related to the organic light emitting area 32 and the power supply (not shown) (In the figure) are connected; and the sealing element 35 < is a closed cover, which is bonded to the transparent substrate 31. Of course, the sealing element 35 may also be a protective film (not shown in the figure). In this embodiment, the white light emitted by the organic light-emitting area 32 passes through the transparent substrate 31 and enters the microlenses 331. The microlenses 331 are respectively doped with red, green, and blue fluorescent and / or phosphorescent substances. , Respectively, converting white light emitted from the organic light-emitting area 32 into red light, green light, and blue light. The excited red, green, and blue light pass through the red filter film 3 71, the green filter film 3 72, and the blue filter film 373, respectively. Finally, the three primary colors of R, G, and B are combined to form The required full-color picture makes the color-adjustable organic light-emitting display panel 3 an organic light-emitting device capable of emitting full-color. For a second embodiment, please refer to FIG. 5. In this embodiment, the microlenses 3 31 can be doped with blue fluorescent and / or phosphorescent substances. By mixing, scattering, and exciting the fluorescent and / or phosphorescent substances, The white light generated by the organic light-emitting area 32 is adjusted to blue. In addition, the filter film 37 is formed on the microlens mi in this embodiment. The filter film 37 is a blue filter film 373. As mentioned above, the white light generated by the organic light emitting area 32 is converted into blue light by the micro lens 331, and then passes through the blue filter film 373 to form an organic light emitting display panel that emits blue light. If the microlens 331 is doped with red or green fluorescent and / or phosphorescent substances, the white light generated by the organic light-emitting area 32 is adjusted to red or green light, and can be matched with red or green light, respectively. The green filter films 371 and 372 can make the original organic light-emitting area

1224297

The white light emitted by the table 2 is adjusted and converted into a single red or green light. … Third Embodiment Please refer to FIG. 6. In this embodiment, the microlens 33! Is a fluorescent and / or phosphorescent substance doped with blue, red and green at the same time, by mixing light with the fluorescent and / or phosphorescent substance. , Scattering, and excitation, adjust the white light generated by the organic light-emitting area 32 to a wide-band white light with a uniform frequency spectrum to form an organic light-emitting display panel that emits white light. And right are further matched with red filter film 371, green filter film 3 72, and blue filter and light film 373. After filtering and light, red light, green light, and blue light can be formed respectively, and then combined into a full light In addition, the color-adjustable organic light-emitting display panel 3 of this embodiment further includes an isolation layer 38 formed on the daylight-defining layer ⑼ to isolate individual pictures in the organic light-emitting area 32. Vegetarian. Here, the isolation layer ⑽ is made of an insulating material having a width larger at the top than at the bottom. Μ Ϊ Ϊ 央 ΐ 脱层 38 8 is set in a passive organic display panel (passive organic! Light: display ‘PM0LED)’ used to separate the cathodes between daylight elements ’in order to intersperse the process. In addition, in the active organic display light-emitting display (AMOLED), because the film is controlled by a thin film transistor, it is not an isolation layer 38, as shown in FIG. 3A. . For a fourth embodiment, please refer to FIG. 7. The fourth paste wire office of the present invention # H-A 4 ^: The example of Zan Yuedi ’s four-percent is a color-gradable organic hair display panel 4, including a reading This / 11 · Xiaoming substrate 41, an organic light emitting area 42, a lens array 4 3 and a partition thickness 4 4. Gan rU-long knife compartment 44. Among them, the transparent substrate 41 is provided with 1224297 'i ---- case number 92123081_ year and month _ amendment ___ 5. Description of the invention (12) There is a first surface 4 1 1 and a second surface 4 1 2 opposite to each other. ; The organic light-emitting area 42 has a plurality of pixels emitting short-wavelength light, and the day element is formed on the first surface 4 1 1 of the transparent substrate 41; the microlens array 4 3 has a plurality of microlenses 4 3 1 The microlens 4 31 is formed on the second surface 412 of the transparent substrate 41, and the microlens 431 is doped with a fluorescent and / or a phosphorescent substance; the separation layer 44 is formed on the second surface of the transparent substrate 41 Above 412, for separating the microlenses 431. The transparent substrate 41 and the microlens array 43 (microlens: 431) of this embodiment have the same characteristics as the transparent substrate 31 and the microlens array of the first embodiment! 3 3 (microlens 3 3 1), and Functions are not repeated here. In this embodiment, the fluorescent substance and / or phosphorescent substance doped in the microlens 4 31 may further be powders having complementary colors, such as orange and blue fluorescent and / or phosphorescent substances. In FIG. 7, the 'organic light-emitting region 42 is a pixel having a plurality of emission short wavelengths'. The daylight system includes a first electrode 41, at least one organic functional layer 422, and a second electrode 423 in this order. The first electrode 421 and the second electrode 423 have the same features and functions as the first electrode 321 and the second electrode 323 in the first embodiment. Here, the light emitted from the organic functional layer 42 2 is short-wavelength light, such as ultraviolet light or blue light. The color-adjustable organic light-emitting display panel 4 of this embodiment further includes a pixel definition layer 46 and a plurality of filter films 47. This is the same as the pixel definition layer 36 and the plurality of filter films 37 in the first embodiment. Has the same features and functions' will not be described in detail here. Furthermore, the color-adjustable organic light-emitting display panel 4 of this embodiment further includes a driving circuit (not shown) and a sealing element 45. This embodiment

1224297 ---- Case No. 92123081 Revised on Month and Day ___ 5. In the description of the invention (13), the driving circuit is an active driving circuit, which is connected to the organic light emitting area 42 and a power source (not shown in the figure) The sealing element 45 may be a sealing cover, which is connected to the transparent substrate 41. Of course, the sealing element 45 can also be a protective film (not shown in the figure). In this embodiment, the short-wavelength light emitted by the organic light-emitting area 42 passes through the transparent substrate 41 and enters the microlenses 4 31, respectively. The microlenses 4 3 1 are doped with red, green, and blue fluorescent lights, respectively. And / or phosphorescent material, excite the short-wavelength light (ultraviolet light or blue light) emitted by the organic light-emitting area 4 2 and convert it into red, green, and blue light, and then pass through the red filter film 471 and the green filter The film 472 and the blue filter film 473 finally combine the generated R, G, B, and three primary colors into a desired full-color picture, so that the color-adjustable organic light-emitting display panel 4 becomes an organic light-emitting device capable of emitting full colors. . ^ Fifth embodiment Please refer to FIG. 8. In this embodiment, the microlens 431 may be doped with green fluorescent and / or phosphorescent substances, and the organic light-emitting area is mixed by light, scattering, and excitation of the fluorescent and / or phosphorescent substances. The short-wavelength light generated by 42 is adjusted to green. The short-wavelength light emitted by the original organic light-emitting area 42 is adjusted to be converted into a monochromatic red light or a pu

Page 18 In this example, the converted green light can pass through the green filter film 472 ′ to form a monochromatic green light (not shown in the figure). If the microlens 431 is replaced with red or blue fluorescent and / or phosphorescent substances, the short-wavelength light generated by the organic light-emitting area 42 is adjusted to red or blue, and can be matched with each other The red or blue filter films 471, 473 (not shown, middle) form red and blue light with high external quantum luminous efficiency. This 1224297 _____ case number 9212308j__ year month day _ amendment _ 5. Description of the invention (14) Please refer to FIG. 9. In this embodiment, the micro lens 4 31 can be doped with orange and blue fluorescent and / or phosphorescent light at the same time. The substance 'adjusts and converts the short-wave light generated by the organic light-emitting area 42 into white light through the mixing, scattering, and excitation of fluorescent and / or phosphorescent materials, and becomes a white-emitting organic light-emitting display panel. Of course, the microlenses 4 3 1 can also be doped with blue, red, and green fluorescent and / or phosphorescent substances at the same time. The organic light emission will be caused by the mixing, scattering, and excitation of fluorescent and / or phosphorescent substances. The short-wavelength light generated by the area 42 is adjusted and converted into wide-spectrum white light to form an organic light-emitting display panel emitting white light.

In this embodiment, if the converted white light passes through the red filter, the light film 471, the green filter film 472, and the blue filter film 473, respectively, the red light, the green light, and the blue light are respectively formed, and then combined into a full light. Color of organic light-emitting display panel. In addition, the conventional isolation layer 48, the light-emitting region 42 has a width of the bottom, and the organic light-emitting diodes are separated to simplify the fabrication of thin-film transistors on the phosphorescent substance of the present invention and doped fluorescent light. And the exemplification of the Bebe example is that it is formed on the daylight definition layer 46 to isolate individual organic daylight. Here, the isolation layer 48 is made of an insulating material having a wide top width. The separation layer 48 is provided in a passive organic display panel (passive display, PMOLED), and is used to separate the anus between day and day. In addition, the active organic display panel does not need an isolation layer 4 8 due to the book element control, as shown in FIG. 7.

In the color-adjustable organic light-emitting display panel, the microlenses doped with glory and are separated by a separation layer formed on the second surface of the transparent substrate. Compared with the conventional technology, the microlens of the present invention and / or the phosphorescent substance can convert white light or short-wavelength light (ultraviolet light or blue light) emitted by the organic light emitting ^ into monochromatic light, mixed-color light, or broadband white light of various colors. In order to form a monochromatic, mixed-color, white, or full-color organic light-emitting display panel, it can also increase the luminous efficiency of the panel, which effectively compensates for the color conversion film and filter in the conventional color conversion structure method. Attenuation of luminous efficiency caused by film absorption. In addition, the present invention can be used with a filter film to purify the purity of each color of light or to filter out light of a desired color, thereby increasing the application of the existing organic light-emitting display panel to different colors. In addition, the microlenses doped with fluorescent and / or phosphorescent materials of the present invention can also improve the purity of the white light emitted by the organic light-emitting area, provide a uniform and broad spectrum of optical radiation, and thus avoid the formation of a specific azimuth-oriented spectrum. Application of full color display. Furthermore, the special shape of the micro-lenses can reduce the possibility that light is confined to the panel, thereby improving the external quantum efficiency of the organic light-emitting display panel. In addition, the invention of I has a separation layer, which can restrict the direction of light emitted by the microlenses, thereby reducing scattering and interference. In addition, the microlenses can be formed by an inkjet process. Not only are the steps simple, the operation is convenient, and the production cost is not high, which is very suitable for practical commercialization.] In summary, the fluorescent doped and / or phosphorescent doped The micro lens system has the effect of modulating the color of the panel's luminescence. In addition, the f lens with high refractive index can compensate the loss of luminous efficiency when filtering: and provides a light emission spectrum of -average sentence ... improving panel emission; prime = on: rate And increase the life of the display; in addition, when the color-adjustable organic hair: display panel is a full-color display, the selective deposition process required for the three primary colors of the original technology is not required, so that the resolution of the panel is no longer Limited by the fineness of the Shadow Mask, and also improving the yield of the process, the present invention is a combination of existing mature fluorescent / phosphorescent materials and color 滹 ^ 4297 case number 92123081

V. Description of the invention (16) The technology of the light film is effectively applied to the organic light-emitting display panel. The commercialization of the color-graded organic light-emitting display panel came out. In order to catch the above, it is only an example, not a restrictive spirit and scope. Anyone who does not leave me in a corrective manner or change the 4 effects of 4 strikes and 8 advances should be included in Attached to the scope of patent application.

1224297 Case No. 92123081 Modified diagram (5), [Simplified diagram] Figure 1 is a conventional full-color display panel—a schematic diagram; Figure 2 is a conventionally added organic light-emitting display panel; FIG. 3A and FIG. 3B are a set of schematic diagrams of the first embodiment of the present invention—y 丨 > π «mb i Shita + ^ ^ τ ^ according to the embodiment; 4A, 4B and 4C are a set of schematic diagrams of a microlens of the first embodiment; FIG. 5 is a schematic view of a tintable organic light-emitting display panel of the second embodiment of the present invention; A schematic view of a tintable organic light-emitting display panel according to three embodiments; FIG. 7 is a schematic view of a tintable organic light-emitting display panel according to a fourth embodiment of the present invention; FIG. 8 is a schematic view of a fifth embodiment according to the present invention; A schematic diagram of a tinted organic light emitting display panel; and FIG. 9 is a schematic diagram of a tintable organic light emitting display panel according to a sixth embodiment of the present invention. Description of component symbols: 1 Full-color display panel 11 Organic light-emitting area 111 First electrode 112 Organic functional layer

Page 22 1224297 Case No. 92123081 Brief Description of Correction Mode for Month 113 Second electrode 12 Flattening layer 13 Color conversion layer 131 Blue filter 131, Blue conversion film 132 Green filter 132, Green conversion film 133 Red Filter 133, red conversion film 14 glass substrate 21 convex lens 22 transparent substrate 3 color-adjustable organic light-emitting display surface 31 transparent substrate 311 first surface 312 second surface 32 organic light-emitting area 321 first electrode 322 organic functional layer 323 second Electrode 33 Microlens array 331 Microlens 34 Separation layer 35 Sealed element board

Page 23 1224297 Amendment No. 92123081 Brief description of drawings 36 Pixel definition layer 37 Filter film 371 Red filter film 372 Green filter film 373 Blue filter and light film 38 Isolation layer 39 Dielectric layer 4 Toner organic 41 Transparent substrate 411 first surface 412 second surface 42 organic light-emitting area 421 first electrode 422 organic functional layer 423 second electrode 43 micro lens array 431 micro lens 44 separation layer 45 sealing element 46 daylight definition layer 47 filter film 471 Red filter, light film 472 Green filter film 473 Blue filter film 48 Isolation layer

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Claims (1)

12 ^ 4297 丨 __ Case No. 92123081_Year Month 佟 π: _ VI. Patent Application Scope 1. A color-adjustable organic light-emitting display panel including at least: a transparent substrate having a first surface opposite to each other and A second surface; an organic light-emitting region having a plurality of daylight emitting white light, the daylight forming a first surface of a transparent substrate; a microlens array having a plurality of microlenses and microlenses Is formed on the second surface of the transparent substrate, and the microlenses are doped with a fluorescent substance; and '1 a separation layer is formed on the second surface of the transparent substrate to separate the microlenses. 2. The color-adjustable organic light-emitting display panel according to item 1 of the scope of the patent application, wherein the transparent substrate is at least one selected from a rigid substrate, a flexible substrate, a glass substrate, and a plastic substrate. 3. The color-adjustable organic light-emitting display panel according to item 1 of the scope of the patent application, wherein the daylight system sequentially includes a first electrode, at least one organic functional layer, and a second electrode. 4. The color-adjustable organic light-emitting display panel as described in item 3 of the scope of patent application, wherein the material of the first electrode is a conductive metal oxide. 3. The color-adjustable organic light-emitting display panel described in item 4 of the scope of patent application, wherein the material of the conductive metal oxide is selected from indium tin oxide, oxygen 1234297 i At least one of Huaming Zinc and Oxygen Indium: the color-adjustable organic light-emitting display surface J ′ described in item 3 of the patent, and the material of the second electrode is selected from aluminum, calcium, magnesium, and indium. , Tin, manganese, silver, gold and magnesium-containing alloys. 7. As described in item 6 of the scope of the patent application, the alloys containing magnesium include magnesium indium (Mg: In) alloys, magnesium tin (Mg and town shoe (Mg: Te) alloys. It can be described as a tintable organic light-emitting display. The surface is not limited to a magnesium silver (Mg: Ag) alloy, a: Sn) alloy, and a magnesium antimony (Mg: Sb) alloy. T-color organic light-emitting display surfaces are mixed in a transparent medium. 8. The panel according to item 1 of the scope of patent application, wherein the microlens is one of a fluorescent substance-doped organic light-emitting display surface, methacrylic acid methyl ester, and tetrafluoroethylene. 9. The plate as described in item 8 of the scope of patent application, wherein the material of the transparent medium is at least 10 selected from the group consisting of polyolefin resin, silicone resin and silicon dioxide, and the gas plate as described in item 8 of the scope of patent application , Where the transparent medium is a light-solid substance. 5 week-color organic light-emitting display surface 11. As described in item 8 of the scope of patent application < bang plate, wherein the transparent medium is viscous. 5 weeks color organic light emitting display surface 1224297 ί -MM 92m〇81 _ ^^ 月 月 条 正 _ 6. Scope of patent application 1-'" 1 2. The color-adjustable organic light-emitting display panel described in item 8 of the scope of patent application, The transparent medium is waterproof. 1 3. The color-adjustable organic light-emitting display panel according to item 1 of the scope of patent application, wherein the micro-transmissive film is formed by an inkjet method. 14. The color-adjustable organic light-emitting display panel according to item 1 of the scope of patent application, wherein the microlens is a curved surface. 15 The color-adjustable organic light-emitting display panel according to item 1 of the claimed patent scope, wherein the fluorescent substance is at least one selected from the group consisting of red fluorescent powder, green fluorescent powder, and blue fluorescent powder. . The color-adjustable organic light-emitting display panel described in item 1 of the nmr range, wherein the fluorescent substance is nano-grade fluorescent powder. The color-adjustable organic light-emitting display described in the first item of the patent range *, a plurality of filter films are formed on the microlenses. 18. As described in item 17 of the scope of the patent application, Straight Φ 、、 索 伞 扑 #, Shi A / A on the male light-emitting display panel /, the medium filter film is far from the red filter film, The blue light film is at least one of them. Forward film and green Page 27 \ 'Applicable patent scope 19, ES_92123081 a Correction of the tintable organic light-emitting display surface as described in item 1 of the scope of patent application, and further including a glutamate layer, which is formed on the first surface of a transparent substrate On, used to set the money pixels. 20. The tonable organic light-emitting display surface described in item 3 of the scope of the patent application further includes a pixel definition layer formed on the first electrode to define pixels. 21. Light display is a color-adjustable organic hair-panel as described in item 19 or item 20 of the scope of patent application, and further includes an isolation layer, which is formed on the pixel definition layer 22 ^ As stated in the patent scope 1 The color-adjustable organic light-emitting display surface according to the item, wherein the microlenses correspond to pixels, respectively. A first surface and a second table opposite to each other • A kind of color-adjustable organic light-emitting display panel at least includes: a transparent substrate having a surface; a Gome light region 'which has a plurality of emitting white light: formed on a transparent substrate Above the first surface;-prime,-prime system; and = 2 rows of 'its system has a plurality of microlenses' microlens system formed on; the second surface of the bright substrate, and the microlens system is doped- Brother :: The metal oxide on the corrected surface on page 28 is used to separate at least one organic functional layer < a tintable organic light emitting display surface. 1224297 i _ cable number 92123081 ^ ^ 6, the scope of patent application A separation layer is formed on the transparent substrate; ^ micro lens. 24. The tinted organic light-emitting display panel according to item 23 of the scope of the patent application, wherein the transparent substrate is at least one selected from a rigid substrate, a flexible substrate, a glass substrate, and a plastic substrate. 2 5. As described in item 23 of the scope of patent application ~ at β Shi G Gan rb gold each weight A / v Yong 1 color organic light-emitting display panel, in which the pixels sequentially include a first power A core and a second electrode. 26. The plate as described in item 25 of the scope of patent application, wherein the material of the first electrode is conductive 27. The plate as described in item 26 of the scope of patent application 'the material of the conductive metal oxide: toning organic The light emitting display faces at least one of aluminum zinc and indium oxide. , Is selected from the group consisting of indium tin oxide, oxide 28, as described in item 25 of the scope of patent application, wherein the material of the second electrode is selected from the group consisting of planed manganese, silver, gold and magnesium-containing alloys, at least which can be tinted organic light-emitting Show face, word, town, marriage, tin, one. 29. As described in the patent application No. 28, the magnesium-containing alloy includes but cannot be tinted organic light-emitting display surface and is also a magnesium silver (Mg: Ag) alloy, 1224297 --92123081__ Amendment 6. Scope of patent application Magnesium indium (Mg: ln) alloy, magnesium tin (Mg: Sn) alloy, magnesium antimony (Mg: Sb) alloy, and money tellurium (Mg: Te) alloy. 30. The color-adjustable organic light-emitting display panel as described in item 23 of the scope of patent application, in which the microtransmittance system is a phosphorescent substance doped in a transparent medium. I The color-adjustable organic light-emitting display surface as described in item 30 of the scope of patent application; the plate, wherein the material of the transparent medium is selected from the group consisting of polymethacrylic acid § |, tetrafluoroethylene 丨 rare tree month purpose, second tree month purpose And at least one of them. : 丨 ^ The color-adjustable organic light-emitting display surface as described in item 30 of the scope of patent application:; plate ′ wherein the transparent medium is a light-solid substance. I = The color-adjustable organic light-emitting display panel according to item 30 of the scope of patent application, wherein the transparent medium is viscous. ! The color-adjustable organic light-emitting display panel described in item 30 of the patent application, wherein the transparent medium is waterproof.丨 2, ^ The color-adjustable organic light-emitting display surface described in item 23 of the patent, wherein the microlenses are formed by an inkjet method. It can be fed as described in item 23 of the scope of the patent application ~ "Tonal organic light-emitting display surface, in which the microlens has a curved surface 1224297 on page 30-case number 92123〇y Yeyue said _ amendment _ 6, the scope of patent application 37, as described in the patent application scope of the 23rd item of the organic color display panel, wherein the phosphorescent material is selected from red At least one of a phosphorescent powder, a green phosphorescent powder, and a blue phosphorescent powder. 38. The color-adjustable organic light-emitting display panel according to item 23 of the patent application park, wherein the phosphorescent substance is a nano-grade phosphorescent powder. 39. The color-adjustable organic light-emitting display panel described in item 23 of the scope of the patent application, further includes a plurality of filter films formed on the microlenses. 40. The color-adjustable organic light-emitting display panel according to item 39 of the scope of the patent application, wherein the calender film is selected from at least one of a red filter film, a blue filter film, and a green filter film. On the first surface of the color-adjustable organic light-emitting display surface, 41. The board as described in item 23 of the scope of patent application, further comprising a pixel definition layer, which is formed on a transparent substrate. Tonal organic light-emitting display surface for defining pixels. 42. The plate described in item 25 of the scope of patent application, further comprising a day-defining layer 'is formed on the first electrode μ 1224297 r ----- 92123081_year η Zhengzheng 6, patent application range α ^ 111-43, such as the patent application scope item 41 or the u-gradable organic light-emitting display panel, further including, an isolation layer, The isolation layer is formed on the day-defining layer. 44. The color-adjustable organic light-emitting display panel as described in item 23 of the scope of the patent application, wherein the microlenses respectively correspond to daylight. 45. A color-adjustable organic light-emitting display panel, comprising at least: a transparent substrate having a first surface and a second surface opposite to each other; the first surface and the second surface are opposed to each other; an organic light-emitting area; , Which has a plurality of pixels emitting short-wavelength light, the day element is formed on the first surface of the transparent substrate; a micro lens array, which has a plurality of micro lenses, the micro lenses are formed on a translucent substrate Above the first surface, and the microlens is doped with a fluorescent substance; and the knife spacer is formed on the second surface of the transparent substrate for separation;:! Microlens. 46. The color-adjustable organic light-emitting display panel according to item 45 of the scope of patent application, wherein the transparent substrate is at least one selected from a rigid substrate, a flexible substrate, a glass substrate, and a plastic substrate. 〇The color-adjustable organic light-emitting display surface as described in item 45 of the scope of patent application 1224297 Amendment 921230R1 Ά __ Day 6. The scope of patent application is ultraviolet light or panel, in which the pixels in the organic light-emitting area emit short-wavelength blue light. I8. The color-adjustable organic light-emitting display panel described in item 45 of the patent fan garden, the "diode" element sequentially includes-a first electrode, at least-an organic functional layer, and a brother and an electrode. The tintable organic light-emitting display panel described in item 48, wherein the material of the first electrode is a conductive metal oxide. 50. The tintable organic light-emitting display panel described in item 49 of the scope of patent application, wherein the conductive The material of the metal oxide is at least one selected from the group consisting of indium tin oxide, zinc oxide, and indium zinc oxide. 51. The color-adjustable organic light-emitting display panel according to item 48 of the scope of patent application, wherein the material of the second electrode is It is selected from at least one of Shao, calcium, magnesium, indium, tin, manganese, silver, gold and magnesium-containing alloys. 52. The color-adjustable organic light-emitting display panel according to item 51 of the patent application scope, wherein Magnesium-containing alloys include, but are not limited to, a magnesium silver (Mg: Ag) alloy, a magnesium indium (Mg ·· In) alloy, a magnesium tin (Mg: Sn) alloy, a magnesium antimony (Mg: sb) alloy, and a magnesium tellurium (Mg : Te) alloy 5 3. As described in item 45 of the scope of patent application Tonal organic light-emitting display surface 1224297 _ «^ 9212308! Month 〒 Sixth, the scope of patent application " ^ plate 'where the micro lens system is doped with fluorescent substances in-correction _ a transparent medium54, such as the scope of the patent application 5 The plate according to item 3, wherein the material of the transparent medium is at least 5 selected from the group consisting of polyolefin resin, silicone resin, and silicon dioxide. 5. The plate according to item 53 of the scope of patent application, wherein the transparent medium is light-solid Substance. 5 6. The plate according to item 53 of the scope of patent application, wherein the transparent medium is sticky. 5 7. The plate according to item 53 of the scope of patent application, wherein the transparent medium is waterproof. 5 8. The plate described in item 4 of the scope of patent application 'where the micro lens is formed by inkjet method 5 9. The plate described in item 4 of the scope of patent application' where the micro lens is a curved surface One of gradable organic light-emitting display surface, methacrylic acid ester and tetrafluoroethylene. Gradable organic light-emitting display surface. Gradable organic light-emitting display surface. Gradable organic light-emitting display surface. Adjustable gradable organic light-emitting display surface. Organic light emitting Display surface 60, as described in claim 45 of the patent application scope, wherein the fluorescent substance is at least one selected from red fluorescent powder and blue fluorescent powder. Toned organic light-emitting display surface, green Fluorescent powder and Page 34 1224297 •; j _ Case No. 9212 ^ | _—Base month _ Sundial Masaru _ 6. Patent application scope 61, the color-adjustable organic light-emitting display panel described in item 45 of the patent application scope, where fluorescent The substance is a mixture of complementary fluorescent powders of at least rain species. 6 2. The color-adjustable organic light-emitting display panel as described in item 45 of the scope of patent application, wherein the fluorescent substance is a nano-grade fluorescent powder. 63. The color-adjustable organic light-emitting display panel as described in item 45 of the scope of patent application, further comprising a plurality of filter films formed on the microlenses. 64. The color-adjustable organic light-emitting display panel according to item 63 of the scope of the patent application, wherein the filter film is at least one selected from a red filter film, a blue filter film, and a green filter film. 65. The color-adjustable organic light-emitting display panel as described in item 45 of the patent application of Shenyan, further includes a daylight-defining layer formed on the first surface of the transparent substrate to define daylight-emitting elements. 66. The color-adjustable organic light-emitting display panel as described in item 48 of the patent application for the spine, further comprising-a daylight defining layer 'formed on the first electrode to define pixels. Page 1224297 1 ____ Case No. 92123081 VI. Patent application range 67. The color-adjustable organic light-emitting display panel described in item 65 or 66 of the patent application range further includes an isolation layer formed on the pixel definition layer. . 6 8. The color-adjustable organic light-emitting display panel according to item 45 of the declared patent scope, wherein the microlenses respectively correspond to pixels. 69. A color-adjustable organic light-emitting display panel, comprising at least: a transparent substrate having a first surface and a second surface opposite to each other, the first surface and the second surface being opposite to each other; an organic light-emitting device; Area, which has a plurality of pixels emitting short-wavelength light, the pixels are formed on the first surface of the transparent substrate; the microlens array, which has a plurality of microlenses, the microlenses are formed on the first surface of the transparent substrate Two surfaces, and the microlens is doped with a phosphorescent substance; and a knife spacer is formed on the second surface of the transparent substrate to separate 70, such as the 69th plate of the patent application, where the transparent substrate is A color-adjustable organic light-emitting display planar substrate, a flexible substrate, and a glass substrate selected from at least one of rigid and plastic substrates The short-wavelength light emitted by the pixels in the organic light-emitting area of the J light is ultraviolet light or VI. The scope of the patent application is 172. 2. If the patent application template is used, the colorable organics described in item 6 and 9 are removed. Light-emitting display surface and a second electrode 1, which sequentially includes a first electrode, at least one organic functional laminate, and a color-adjustable organic light-emitting display surface described in item 72 of the patent scope " Brother-one electrode The material is conductive metal oxide. 22 The color-adjustable organic light-emitting display surface ′ described in item 73 of the scope of patent application, the material of the medium conductive metal oxide is at least one selected from indium tin oxide, zinc oxide and indium zinc oxide. 5. The color-adjustable organic light-emitting display panel according to item 72 of the scope of patent application, wherein the material of the second electrode is selected from the group consisting of aluminum, calcium, magnesium, indium, tin, charm, silver, gold, and magnesium-containing materials. At least one of these alloys. 7 6. The color-adjustable organic light-emitting display panel according to item 75 of the scope of the patent application, wherein the magnesium-containing alloy includes, but is not limited to, a magnesium silver (Mg: Ag) alloy, a magnesium indium (Mg: In) alloy, Magnesium tin (Mg: Sn) alloy, magnesium antimony (Mg: Sb) alloy, and ballast (Mg: Te) alloy. 77. The color-adjustable organic light-emitting display surface as described in item 6 and 9 of the scope of patent application Page 37 12 ^ 42 ^ / Amendment No. 92123081 6. Scope of patent application, in which the microlenses are phosphors I mixed in a transparent medium. 78. The plate as described in item 77 of the scope of patent application, wherein the material of the transparent medium is selected from the group consisting of tintable organic light-emitting display olefin resin, silicone resin, and ^ dimethyl methacrylate, tetrafluoroethylene / main: ;,one of them. 79. If the scope of the patent application is 7 7 gg, the ten-plate, in which the transparent medium is light-cured? The color-adjustable organic light-emitting display surface 80. If the scope of the patent application, the 7-7 plate, the transparent medium has the item The color-adjustable organic light-emitting display surface has a viscosity of 81. The color-adjustable organic light-emitting display panel described in item 77 of the scope of the patent application, wherein the transparent medium is waterproof. 82. The color-adjustable organic light-emitting display panel described in item 69 of the scope of patent application, wherein the microlenses are formed by using an inkjet method ^ 83. The color-adjustable organic light-emitting display panel described in item 69 of the scope of patent application Where the microlens is a curved surface. 84. The color-adjustable organic light-emitting display panel according to item 6 or 9 of the scope of the patent application, wherein the phosphorescent substance is selected from at least one of a red phosphorescent powder, a green phosphorescent powder, and an acoustooptic flake powder. 1224297 on page 38 ---- fife 92123QRt ^ __ 主 __ Yue Yue VI. Patent application range 8 5. The color-adjustable organic light-emitting display panel described in the patent application range item 6 9 It is a mixture of at least rain-type complementary color phosphorescent powder. 86. The color-adjustable organic light-emitting display panel according to item 69 of the scope of the patent application, wherein the phosphorescent substance is a nano-grade phosphorescent powder. 87. The color-adjustable organic light-emitting display panel described in item 69 of the scope of patent application, further includes a plurality of filter films formed on the microlenses. 8 8. The color-adjustable organic light-emitting display panel according to item 87 of the declared patent scope, wherein the filter film is at least one selected from a red furnace light film, a t-color filter film, and a green filter film. 8 9. As described in item 6 and 9 of the scope of the patent application, it is possible to make use of Tian Mo Shi μ »β w wood υ a η / / τ ι < j color organic light emitting display panel, including -The pixel definition layer is formed on the first surface of the transparent substrate to fix the organic light emitting display surface and to define the pixels. 90. The adjustable plate as described in item 72 of the scope of patent application, further comprising a day-defining layer formed on the first electrode, 1234297 _Case No. 92123081_ Amendment of the month and year_ VI. Patent application scope 9 1. The color-adjustable organic light-emitting display panel as described in the patent application scope item 89 or 90, further including an isolation layer to isolate The layer system is formed on the pixel definition layer. 9 2. The color-adjustable organic light-emitting display panel according to item 6 and 9 of the scope of patent application, wherein the microlenses respectively correspond to pixels. Page 40