TW595257B - Organic electro-luminescent device and method of manufacturing the same - Google Patents

Abstract

An organic electro-luminescent device and method of manufacturing the same. The device at least consists of an electrode on a substrate, an organic functional layer, and a transparent electrode. The feature is that the organic electro-luminescent device has a light absorptive layer which is located on the transparent electrode. Because of the light absorptive layer which is formed on the transparent electrode, it can decay the incident light form outside and increase contrast.

Description

595257 5. Description of the invention (l): The technical field to which the invention belongs. The present invention relates to an organic electro-luminescent (Organic electro-luminescent, OEL) element and a method for manufacturing the same, and more particularly to a method that can increase Contrast (c ο ntrastrati〇) organic electro-excitation light element and manufacturing method thereof. The organic electroluminescent element of the prior art has the characteristics of self-emission, wide viewing angle, high response speed, low driving voltage, full color, etc., and has been practically used at present, and can be applied to color flat display elements, such as small display panels, outdoor display panels, Computer and TV screens. The organic electroluminescent device uses two electrodes to enclose an organic film with light-emitting properties. When a DC voltage is applied, holes will be injected from the anode and electrons will be injected from the cathode. The resulting potential difference causes carriers to move in the film and cause recombination. Part of the energy released by the recombination of the electron holes will excite the light-emitting molecules to form a single excitable molecule. When a single exciton molecule releases energy to return to the ground state, a certain proportion of the energy will be emitted in the form of photons to emit light, which is the element principle of organic electro-excitation light elements. Taking the top-emission type (t o p e m i s s i ο η) organic electroluminescent element as an example, there is also a reflective metal layer between the anode layer and the glass substrate to reflect the light emitted by the organic light emitting layer. In addition, in order to increase the contrast of current organic electroluminescent devices, most of them are plated with a chromium layer (C r) as a black matrix (b 1 a c k m a t r X, referred to as BM) on the glass substrate as a cover. However, this method has the following problems: First, whenever the packaging is performed, the glass substrate needs to be aligned to seal the package, but if the glass substrate is slightly displaced, it will cause

ill33t.wf.ptd Page 7 595257 V. Description of the invention (2) Panel failure (fai 1 ure); Another problem is that the aforementioned black matrix needs to be processed on the glass substrate as a cover, which will cause cost improve. In addition, there is currently another type of organic electroluminescent device that inserts a dark conductive metal alloy 1 ayer between the electrode and the organic light-emitting layer or between the transparent electrode and the organic light-emitting layer to increase the COMPARISON OF ELECTROMECHANICAL EXCITATION LIGHT ELEMENTS UNDER BRIGHT ENVIRONMENTAL SUMMARY Therefore, an object of the present invention is to provide an organic electrical excitation light element and a manufacturing method thereof, which can increase the contrast and reduce the manufacturing cost. According to the above and other objectives, the present invention proposes an organic electro-optic light-emitting element disposed on a substrate. The organic electro-optical light-emitting element includes at least a first electrode layer, a second electrode layer, an organic functional layer, and a Light absorbing layer. The first electrode layer is disposed on the substrate, the organic functional layer is disposed on the first electrode layer, and the second electrode layer is disposed on the organic functional layer. The light absorbing layer of the present invention is disposed on the second electrode layer, and is used to attenuate light incident from the outside and increase the contrast. The present invention further proposes an organic electro-optic light-emitting element disposed on a substrate. The organic electro-optical light-emitting element includes at least a reflective metal layer, a first electrode layer, a second electrode layer, an organic functional layer, and a light absorption device. Floor. The reflective metal layer is disposed on the substrate, the first electrode layer is disposed on the reflective metal layer, and the organic functional layer is disposed on the first electrode layer. The second electrode layer is disposed on the organic functional layer. Light absorbing layer

lU.33twf.ptd Page 8 595257 5. Description of the invention (3) It is placed between the reflective metal layer and the first electrode layer. The invention also proposes an active organic electro-optical light emitting element, which is structured on a substrate. Such an active organic electro-optic light-emitting element includes at least several thin-film transistors, a cathode isolation layer, an upper electrode, an organic functional layer, several light-absorbing layers, and a black matrix (p s e u d 0-B M). The thin film transistor is located on a substrate, and each of the thin film transistors has a pixel electrode. The cathode isolation layer is between the pixel electrodes of each thin film transistor on the substrate, and the upper electrode is on the substrate between the cathode isolation layers. Furthermore, the organic functional layer is located between the thin film transistor and the upper electrode. Different types of light absorption layers cover the upper electrodes above the organic functional layer and overlap each other on the top surface of the cathode isolation layer. The overlapping portions of the light absorption layers can be used as a black matrix. _ The present invention further proposes a passive organic electro-optic light emitting element, which is structured on a substrate. Such an organic electro-optical light-emitting element array includes at least a plurality of anodes, a plurality of cathode isolation layers, a plurality of cathodes, a plurality of organic functional layers, a light-absorbing layer, and a black-like matrix. The configuration is that the anode is located on the substrate, the cathode insulation layer is located on the substrate and the anode, and the extension direction of the cathode insulation layer is perpendicular to the extension direction of the anode. The cathode is located between the substrate and the anode between the cathode separator. The organic functional layer is located between the anode and the cathode. Furthermore, the light absorbing layer is the cathode on the substrate and covers the organic functional layer, while the black-like matrix covers the top surface of the cathode isolation layer. The invention also proposes a method for manufacturing an organic electro-optic light emitting element, which includes forming an electrode on a substrate, and forming an organic functional layer on the electrode. Then, a transparent electrode is formed on the organic functional layer, and then a transparent electrode is formed.

11133twf.pt.d Page 9 595257 V. Description of the invention (4) A light absorbing layer is formed on the electrode to attenuate the light incident on the organic electro-optical excitation element from the outside. The present invention also provides a method for manufacturing an organic electro-optic light emitting element, which includes forming a reflective metal layer on a substrate, and forming a light absorbing layer on the reflective metal layer. After that, an electrode is formed on the light absorbing layer, and an organic functional layer and a transparent electrode are sequentially formed on the electrode. Furthermore, the present invention further provides a method for manufacturing an active organic electro-optic light emitting element, which includes providing a substrate having a plurality of thin film transistors, and each thin film transistor has a pixel electrode. Subsequently, a plurality of cathode isolation layers are formed between the pixel electrodes of the mother-thin film transistor of the substrate. Next, several organic functional layers are formed on the day electrode between the cathode isolation layers, and then an upper electrode layer is formed on the substrate. This upper electrode layer is automatically divided into several electrically isolated by the cathode isolation layer. On the electrode. After that, a plurality of first light absorbing layers are formed on the substrate, and the first light absorbing layers overlap each other on the edges of the cathode isolation layer as a black-like matrix.

In addition, the present invention also provides a method for manufacturing an organic electro-optic light emitting element, which includes forming a plurality of anodes on a substrate, and forming a plurality of cathode isolation layers on the substrate and the anode, wherein an extension direction of the cathode isolation layer is perpendicular to the anode. Direction of extension. Next, several organic functional layers are formed on the anode between the cathode isolation layers, and then a cathode layer is formed on the substrate, which is automatically divided into a plurality of cathodes by the cathode isolation layer, and these cathodes are electrically isolated from each other. Subsequently, a plurality of light absorbing layers are formed on the substrate, and these light absorbing layers overlap each other on the edges of the organic functional layer as a black-like matrix. H. The present invention is because the transparent electrode

11133twf.ptd Page 10 595257 5. Description of the invention (5) Either add a light absorption layer between the reflective metal layer and the transparent electrode, or form a light absorption layer at both places, so the light incident from the outside will be attenuated 'And increase the contrast. In addition, the overlapping portion of the two light absorbing layers arranged on the cathode isolation layer in the organic electroluminescent device array can be used as a black-like matrix, so that it can increase the contrast when the outside is bright. In order to make the above and other objects, features, and advantages of the present invention more comprehensible, the following describes the preferred embodiments in detail with the accompanying drawings, as follows: The present invention can be applied to Organic electro-luminescent (0 EL) elements. The following embodiments are based on the organic light-emitting element 4 of the top emission type (t 〇pemissi ο η) as an example, but it is not used for The invention is limited and is used as an example. First Embodiment FIG. 1 is a flow chart of a manufacturing process of an organic electro-excitation light-emitting device according to a first embodiment of the present invention. Please refer to FIG. 1. First, in step 100, a reflective metal layer is formed on the substrate. The material of the reflective metal layer is, for example, Ming, and the material of the substrate may be glass or other suitable substrate material. Next, in step 110, an electrode is formed on a reflective metal layer, and the material is, for example, indium tin oxide (ITO) or other transparent electrodes. After that, in step 120, an organic functional layer is formed on the electrode. For example, a hole transport layer (h ο 1 etrans ρ 〇rt · layer, referred to as HTL) is first formed on the electrode to help Hole transmission. Then, in the hole

11133rwf.ptd Page 11 595257 V. Description of the invention (6) An organic light emitting layer (e-ML) is formed on the layer, and an electron transport layer (electron transport 1 ayer, ETL) is formed on the organic light-emitting layer. To help with electronic transmission. In addition, a hole injection layer (h ο 1 e i n j c t i n g 1 a y e r (referred to as Η I L)) may be formed on the electrode before the hole transport layer is formed. Its function is to inject holes into the light emitting layer when the voltage is low. In addition, after the electron transport layer is formed, an electron injection layer (electron i n j e c t i n g 1 a y e r, abbreviated as E I L) may be formed on the electron transport layer to help electron injection. Next, in step 130, a transparent electrode is formed on the organic functional layer. Then, in step 140, a light absorbing layer is formed on the transparent electrode. The step is, for example, plating a layer of dye or pigment on the transparent electrode, and the color displayed by the light absorbing layer is preferably the same as that of the organic functional layer. The color of the emitted Yan Xin is the same to limit the color of the light emitted from the organic functional layer, which is helpful to the color saturation of the organic motor light-emitting element, and there is no color mixing between the organic functional layers that emit light of different colors. . In addition, taking the production of a top-emission type organic electro-excitation light-emitting device as an example, step 102 can also be performed between step 100 and step 110, to form another layer of light absorption on a reflective metal layer. To attenuate the light incident on the organic electroluminescent device from the outside, thereby increasing the contrast of the organic electroluminescent device when the external environment is bright. The organic electro-optical light-emitting device manufactured according to the first embodiment is shown in FIG. 2. FIG. 2 is a schematic cross-sectional view of an organic electro-excitation optical device made according to the first embodiment of the present invention. Please refer to FIG. 2, the organic electricity of this embodiment

11133twf.ptd Page 12 595257 V. Description of the invention (7) The excitation light element is structured on a substrate 200. This organic electrical excitation light element includes an organic functional layer 206, a first electrode layer 202, A second electrode layer 204 and at least one light absorbing layer 220a or 220b. The material of the substrate 200 may be glass or other suitable substrate materials, and the materials of the first and second electrode layers 2 0 2 and 2 0 4 are, for example, Indium tin oxide (IT 0) or other transparent electrodes. The first electrode layer 202 and the second electrode layer 204 are respectively disposed on both sides of the organic functional layer 206 as a cathode and an anode. The light-transmitting portion of the organic electro-optical light-emitting element of the present invention is An electrode layer 2 02 side; that is, when the first electrode layer 202 is a transparent material, the light absorbing layer 220b of the present invention may be disposed between the first electrode layer 202 and the substrate 200 to increase organic electricity. Contrast and color saturation of the excitation light element. In addition, when the light-transmitting portion is on the side of the second electrode layer 204, that is, when the φ invention is applied to an organic electroluminescent device with a top emission type, the first substrate 200 and the first electrode layer 202 may also be used. A reflective metal layer 208, such as aluminum, is disposed therebetween to reflect light emitted from the organic light emitting layer 206. However, this structure has a problem that the contrast is not obvious when the outside is bright, so another light absorbing layer 2 0 2 b can be arranged between the reflective metal layer 208 and the first electrode layer 202 to make the outside incident The light of the electromechanical excitation light element is attenuated, thereby increasing the contrast when the outside world is bright. In addition, the light absorbing layer 2 0 2 b between the first electrode layer 202 and the reflective metal layer 2 ◦ 8 can also be used as an insulator. In addition, the organic function in the organic electro-optic light-emitting device of the present invention The layer 206 needs to include at least an organic light-emitting layer, and may further include an electron-transport parameter layer, which is located between the organic light-emitting layer and the second electrode layer 204 and an electric hole transmission.

11133twf.ptd Page 13 595257 V. Description of the invention (8) The transport layer is located between the organic light emitting layer and the first electrode layer 202. Furthermore, an electron injection layer may be disposed between the electron transport layer and the second electrode layer 204. A hole injection layer may be further disposed between the hole transport layer and the first electrode layer 202. Second Embodiment The present invention can also be applied to active organic electroluminescence light emitting elements and passive organic electroluminescence light elements having a cathode isolation layer, and a method for manufacturing the foregoing two. The detailed embodiments are described below. FIG. 3A is a schematic top view of an active organic electroluminescent device according to a second embodiment of the present invention. Please refer to FIG. 3A. The active organic electroluminescent element 3 0 0 of this embodiment includes scanning wiring 3 1 2, data wiring 3 1 4, thin film transistor 3 0 1, female and [electrode separator (separator) 310. The upper electrode, the organic functional layer 306, several kinds of light absorbing layers, and a pseudo-BM. Some components will be described in detail in the subsequent manufacturing process. The thin film transistor 3 0 1 is located in a region divided by the scanning wiring 3 1 2 and the data wiring 3 1 4 interlaced on a substrate (not shown), in which the thin film transistor 30 1 has a pixel electrode 3 0 2 , As the lower electrode of the active organic electro-optical light element 300. The cathode isolation layer 3 1 0 is located between the pixel electrodes 3 2 of each thin film transistor 3 0 1 on the substrate. The upper electrode (not shown) is disposed on the substrate between the cathode isolation layers 3 10. The organic functional layer 3 06 is located between the pixel electrode 30 2 and the upper electrode. Furthermore, please continue to refer to FIG. 3A. The various light absorbing layers β of this embodiment respectively cover the upper electrodes above the organic functional layer 3 06 and overlap each other on the cathode.

11133r.wf.ptd Page 14 595257 V. Description of the invention (9) The top surface of the isolation layer 3 1 0, where the overlapping portions of the light absorption layer can be used as a black-like matrix (not shown). In addition, a reflective metal layer (not shown) may be disposed below the pixel electrode 3 02, and then another light absorption layer may be selectively disposed between the reflective metal layer and the pixel electrode 3 02 to make the outside world The light incident on the active organic electroluminescent element 300 is attenuated, thereby increasing the contrast of the element when the outside is bright. In addition, for the composition configuration of the organic functional layer 306 in this embodiment, reference may be made to the organic functional layer in the first embodiment. The fabrication of the aforementioned active organic electroluminescent device is shown in FIGS. 4A to 4F, which are schematic diagrams of the manufacturing process of the AA ′ cross section of the organic electroluminescent device shown in FIG. 3A. . Referring to FIG. 4A, a substrate 400 is provided, which has a plurality of thin film transistors, each of which has a pixel electrode 403. In addition, when the present invention is applied to the production of a top-emission organic electroluminescent element, an additional reflective metal layer may be formed, or a picture made of a suitable material (such as aluminum) may be directly selected as shown in FIG. 4A. The element electrode 403 functions as a reflective metal layer. After that, a light absorbing layer 401 is selectively formed on the reflective metal layer. Then, referring to FIG. 4B, a plurality of cathode isolation layers 4 1 0 are formed between the pixel electrodes 4 0 3 of each thin film transistor of the substrate 400, and the cathode isolation layer 4 1 0 is preferably one An inverted trapezoid structure with a reverse slope, and the material is, for example, an insulating material or a transparent material. The cathode isolation layer 4 1 0 can prevent cross interference between the pixel electrode 4 0 3 and an upper electrode formed later (c r s s t a 1 k). Next, referring to FIG. 4C, a plurality of organic functional layers 4 0 6 are formed on the pixel_electrode 4 0 3 between the cathode isolation layers 4 1 0, wherein the organic functional layers 4 0 6

I1133twf.ptd Page 15 595257 V. Description of the Invention (ίο) At least organic light-emitting layers that display the same color or different colors are mainly determined by the fact that organic electro-luminescent elements can be classified as single or colorful according to the display color . In addition, the method of forming the organic functional layer 406 is, for example, using a photomask with an opening as a mask, and aligning the opening of the mask with the area where the organic functional layer 4 06 is to be formed (see reference numeral 3 in FIG. 3). 0 6), and then the organic functional layer 406 is grown. Therefore, if the organic electroluminescent elements are displayed in multiple colors (such as the three primary colors of red, green, and blue), a mobile mask can be used to form organic light-emitting layers that display different colors in different areas. Subsequently, referring to FIG. 4D, an upper electrode layer 404 is formed on the substrate 400, and the upper electrode layer 404 is automatically divided into a plurality of upper electrodes 4 0 4 a and 4 0 4 b by a cathode isolation layer 410. These upper electrodes 4 0 4 a and 4 4 b are electrically isolated from each other. _ After that, referring to FIGS. 4E and 4F, several layers of light absorbing layers 420a and 420b are formed on the substrate 400, and they cover the upper electrode 404a and part of the cathode isolation layer 410 above the organic functional layer 406. These light absorbing layers 420a and 4 2 0 b are superimposed on each other at the edges of the organic functional layer 406 as a black-like matrix. For example, when the light emitted by the organic light emitting layer 406 in this embodiment is different from each other, as shown in FIG. 4E, a first light absorbing layer 420a is formed on the substrate 400 , And it can only pass light of the same color as the light emitted by the organic functional layer 406 below it. Then, as shown in FIG. 4F, a second light absorbing layer 420b is formed on the substrate 400, which is a cathode isolation layer of the first and second light absorbing layers 420a and 420b on the edge of the organic functional layer 406. The top surface of 4 1 0 overlaps with each other, so its overlapping part 4 4 0 can be used as a black-like matrix without light leakage.

11133twf.ptd Page 16 Description of the invention (11) In addition, the third diagram B is a schematic top view of an organic electro-excitation light element according to the present invention. The second embodiment of the passive type. Monthly reference A ?, younger J3 β chart, 300 in this embodiment includes at least a number of anodes 3 0 2, the number of organic electro-optic excitation element poles 3 0 4, a plurality of organic functional layers 3 0 6, a number ^ 氺1 ^ 离层 3 1 0, several negative black matrix (not shown), some of which are absorption layers (not shown) and described. The anode 3 0 2 is located on a substrate (not shown in detail in a later section). The extension direction of the cathode isolation layer 3 10 is perpendicular to the substrate 30 0, and the lower part is straight to the extension of the electrode 302. Orientation. The gate of the anode 3 0 4 is located at the cathode isolation layer 3 1 〇 from Zeng Guangye, and the organic functional layer 306 is a light absorption layer at the anode 3n9 j Saint 302 level η / V /. It is covered on top of the organic functional layer 306: the cathode 3 0 4 ', and the black-like matrix covers the top of the cathode isolation layer 31 °. Luminescence L: ί ί Ϊ Ϊ ΐ organic electro-excitation light element and active organic electricity The only difference between the first and second excitations is that the passive cathode isolation layer 31 is formed on the substrate and the anode 3Q2. Fig. 5 is the B of the organic electro-excitation light element shown in Fig. 3B. \ ， The surface is not intended. Please refer to FIG. 5. The passive organic electro-optic light-emitting element system is constructed on a substrate 400, which includes at least a plurality of anodes 4 2 on the substrate 4 2 and a plurality of substrates on the substrate. The cathode isolation layer 410 on the anode 400 and the anode 400. In addition, There are several cathodes 4 0 4 a and 4 4 b on the substrate 4 0 and the anode 4 2, and the organic functional layer 4 6 is located between the anode | 4 2 and the cathode 4 0a. Furthermore, the light absorbing layer 4 2 0 a, 4 2 0 b

595257 5. Description of the invention (12) The cathode 404a on the substrate 400 and covering the organic functional layer 406. The black matrix 4 4 0 of the present invention covers the top surface of the cathode isolation layer 4 1 0. In addition, please continue to refer to FIG. 5. When this embodiment is applied to a passive organic electroluminescent device array of a top emission type, a reflective metal layer 403 can be further disposed under the anode 402, and then the reflective metal layer 403 and the anode can be disposed. Another layer of light absorbing layer 4 0 1 is selectively arranged between 4 0 2 to attenuate the light incident on the organic electro-excitation light element from the outside, thereby increasing the contrast of the element when the outside is bright. In addition, the composition and configuration of the organic functional layer 406 in this embodiment can refer to the organic functional layer in the first embodiment. Furthermore, the mask openings used when the light absorbing layers 4 2 0a and 4 2 0b (see FIGS. 4E, 4F, and 5) formed on the substrate 400 overlap each other on the top surface of the cathode isolation layer 410 are described above. It must be larger than the mask opening used to form the organic light emitting layer 406 (see Figure 4C) in the pixel unit. Taking Figure 6 as an example, it is a pixel unit and a mask opening for manufacturing the organic light-emitting layer and the light absorbing layer of the present invention. Please refer to Figure 6, assuming a daylight unit with red, green, and blue colors. The length and width of 6 0 0 are both X, then the length and width X π and X ′ of the mask opening 5 1 0 used to form one of the color organic light-emitting layers must conform to the following formula: X '丨 <χ; χ '< χ / 3 and the range of the length and width y ", y' of the mask opening 5 2 0 used to form a single light absorbing layer is as follows: (x / 2) _ (x, / 2) < y, "2x / 3) -x ,; (3x / 2)-(x ,, / 2) < y" < 2x-x " Therefore, the present invention is characterized in that the organic electro-active light emitting element transmits light Add a layer of light absorption on the transparent electrode or between the reflective metal layer and the transparent electrode

11133twf.ptd Page 18 595257 V. Description of the invention (13) The layer is retracted, or a light absorption layer is formed at both places, so the light incident from the outside will be attenuated and the contrast will be increased. In addition, the overlapping portion of the two light absorbing layers disposed on the cathode isolation layer in the organic electroluminescent device array can be used as a black-like matrix, so it can increase the contrast of the organic electroluminescent device when the outside is bright. Although the present invention has been disclosed as above with preferred embodiments, it is not intended to limit the present invention. Any person skilled in the art can make various modifications and retouches without departing from the spirit and scope of the present invention. Therefore, the present invention The scope of protection shall be determined by the scope of the attached patent application.

11133t ', vf. Ptd Page 19 595257 Brief description of the drawings Figure 1 is a flow chart of the manufacturing process of an organic electro-optical light emitting device according to the first embodiment of the present invention; Figure 2 is a first embodiment according to the present invention A schematic cross-sectional view of the organic electroluminescent device obtained; FIG. 3A is a schematic top view of an active organic electroluminescent device according to a second embodiment of the present invention; FIG. 3B is a second implementation according to the present invention Example schematic top view of a passive organic electroluminescent device; Figures 4A to 4F are schematic diagrams of the A-A 'cross-section manufacturing process of the organic electroluminescent device according to Figure 3A; Figure 5 FIG. 3B is a schematic cross-sectional view taken along the line BB ′ of the organic electro-optical light-emitting element; and FIG. 6 is a pixel unit and a mask opening for fabricating the organic light-emitting layer and the light-absorbing layer of the present invention. . 100 forming a reflective metal layer 102 on a substrate forming another light absorbing layer 110 on a reflective metal layer 110 forming an electrode 120 on a reflective metal layer forming an organic functional layer 130 on the electrode and forming the organic functional layer. — The transparent electrode 140 is formed on the transparent electrode — The pattern of the light absorption layer is 200, 400: the substrate 2 0 2, 2 0 4, 3 0 2, 3 0 4, 4 0 2, 40 4, 4 0 4a , 4 0 4 b: electric layer

11133t.wf.ptd Page 20 595257 Brief description of the drawings 2 0 6, 3 0 6, 4 0 6: Organic functional layer 208, 403: Reflective metal layer 220a, 220b, 401, 420a, 420b: Light absorbing layer 3 0 0: organic electroluminescent element 3 1 0, 4 1 0: cathode isolation layer 4 4 0: black matrix-like 6 0 0: pixel unit 6 1 0, 6 2 0: mask opening

11133twf.ptd Page 21

Claims (1)

595257 6. Scope of patent application1. An organic electro-optical light-emitting element is disposed on a substrate. The organic electro-optical light-emitting element includes at least: a first electrode layer disposed on the substrate; an organic functional layer disposed on the substrate; On the first electrode layer; a second electrode layer disposed on the organic functional layer; and a first light absorption layer disposed on the second electrode layer. 2. The organic electro-optic light-emitting device according to item 1 of the scope of patent application, further comprising a reflective metal layer disposed between the first electrode layer and the substrate. 3. The organic electro-optical light-emitting device according to item 2 of the scope of the patent application, further comprising a second light absorbing layer disposed between the reflective metal layer and the first electrode layer. Read 4. The organic electroluminescent device according to item 1 of the scope of patent application, wherein the organic functional layer includes at least one organic light emitting layer. 5. The organic electro-optic light-emitting device according to item 4 of the scope of patent application, wherein the organic functional layer further includes: an electron transport layer between the organic light emitting layer and the second electrode layer; and a hole transmission A layer between the organic light emitting layer and the first electrode layer. 6. The organic electro-optic light-emitting device according to item 5 of the scope of patent application, wherein the organic functional layer further includes an electron injection layer located between the second electrode layer and the electron transport layer. Read 7. The organic electroluminescent device as described in item 5 of the scope of patent application, 11133twf.ptd Page 22 595257 6. Scope of patent application The organic functional layer further includes a hole injection layer, which is located between the hole transport layer and the first electrode layer. 8. An organic electro-optical light-emitting element disposed on a substrate, the organic electro-optical light-emitting element includes at least: a reflective metal layer, a first electrode layer disposed on the substrate, and the reflective metal layer; An organic functional layer is disposed on the first electrode layer; a second electrode layer is disposed on the organic functional layer; and a light absorbing layer is disposed between the reflective metal layer and the first electrode layer. 9. The organic electro-optical light-emitting device according to item 8 of the scope of the patent application, wherein the organic functional layer includes at least one organic light-emitting layer. _ 10. The organic electro-optic light-emitting device according to item 9 of the scope of the patent application, wherein the organic functional layer further includes: an electron transport layer between the organic light-emitting layer and the second electrode layer; and The hole transport layer is located between the organic light emitting layer and the first electrode layer. 1 1. The organic electro-optic light-emitting element according to item 10 of the scope of patent application, wherein the organic functional layer further includes an electron injection layer between the electron transport layer and the second electrode layer. 12. The organic electro-optic light-emitting device according to item 10 of the patent application scope, wherein the organic functional layer further includes a hole injection layer located between the hole transmission layer and the first electrode layer. 11133twf.ptd Page 23 595257 6. Scope of patent application 1 3. An active organic electro-optic light element, which is structured on a substrate and includes at least: a plurality of thin-film transistors on the substrate, wherein the thin-film transistors are The crystals each have a pixel electrode; a plurality of cathode isolation layers between the pixel electrodes of each thin film transistor on the substrate, and a plurality of upper electrodes on the substrate between the cathode isolation layers; A plurality of organic functional layers located between the thin film transistors and the upper electrodes; and a plurality of first light absorbing layers respectively covering the upper electrodes above the organic functional layers and overlapping each other on the cathodes The top surface of the isolation layer, wherein the overlapping portions of the first light absorbing layers serve as a black matrix. 1 4. The active organic electro-optical light-emitting device according to item 13 of the scope of the patent application, wherein the cathode isolation layers include an inverted trapezoidal structure with a reverse slope. 1 5 · The active organic electro-optical light-emitting device according to item 13 of the scope of patent application, further comprising a reflective metal layer disposed between the anode layers and the substrate. 16. The active organic electro-optical light-emitting device according to item 15 of the scope of patent application, further comprising a second light absorbing layer disposed between the anode layers and the reflective metal layer. 17. The active organic electro-excitation | optical element according to item 13 of the scope of patent application, wherein the organic functional layers include at least one organic light-emitting layer. limtwf.ptd Page 24 595257 VI. Patent Application Range 1 8 · The active organic electro-optical light-emitting device described in item 17 of the patent application range, wherein the organic functional layers further include: an electron transport layer, which is located in the An organic light emitting layer and the cathodes; and a hole transporting layer between the organic light emitting layer and the anodes. 19 · The active organic electro-optic light-emitting device according to item 18 of the scope of patent application, wherein the organic functional layer further includes an electron injection layer located between the electron transport layer and the cathodes. 2 0. The active organic electro-optic light-emitting device according to item 18 of the scope of patent application, wherein the organic functional layer further includes a hole injection layer between the hole transport layer and the anodes. 2 1. A passive organic electro-optic light-emitting element, which is structured on a substrate and includes at least: a plurality of anodes on the substrate; a plurality of cathode isolation layers on the substrate and the anode, and the cathode isolation layers The extending direction is perpendicular to the extending direction of the anodes; a plurality of cathodes are located on the substrate and the anodes between the cathode isolation layers; a plurality of organic functional layers are located between the anodes and the cathodes; A first light absorbing layer is located on the substrate and covers the cathodes above the organic functional layers; and a black matrix covers the top surfaces of the cathode isolation layers. 2 2. The passive organic electro-excitation optical element according to item 21 of the scope of patent application, wherein the cathode isolation layers include an inverted trapezoidal structure with a reverse slope 1l133twf.ptd Page 25 595257 6. The scope of patent application. 2 3 · The passive organic electro-optic light-emitting element 1 described in item 21 of the scope of patent application further includes a reflective metal layer disposed between the anode layers and the substrate. 24. The passive organic electro-optic light-emitting device according to item 23 of the scope of patent application, further comprising a second light absorbing layer disposed between the anode layers and the reflective metal layer. 25. The passive organic electroluminescent device according to item 21 of the scope of patent application, wherein the organic functional layers include at least one organic light emitting layer. 2 6 „The passive organic electroluminescent device described in item 25 of the patent application scope, wherein the organic functional layers further include: an electron transport layer between the organic light emitting layer and the cathodes; and A hole transporting layer is located between the organic light emitting layer and the anodes. 2 7. The passive organic electro-optical excitation light element as described in item 26 of the patent application scope, wherein the organic functional layer further includes an electron injection layer, Located between the electron-transporting layer and the cathodes. 28. The passive organic electro-optic light-emitting device according to item 26 of the patent application scope, wherein the organic functional layer further includes a hole injection layer located in the hole. Between the transmission layer and the anodes. 2 9. A method for manufacturing an organic electro-optical light-emitting device includes: forming an electrode on a substrate; forming an organic functional layer on the electrode; and on the organic functional layer Forming a transparent electrode; and 11133twf.ptd Page 26 595257 6. Scope of patent application A first light absorbing layer is formed on the transparent electrode. 3 0 „The method for manufacturing an organic electro-optic light-emitting device according to item 29 of the patent application scope, wherein before the step of forming the anode layer on the substrate, it further comprises forming a reflective metal layer on the substrate. 3 1 The method for manufacturing an organic electro-optical light-emitting device according to item 30 of the scope of the patent application, wherein after the step of forming the reflective metal layer on the substrate and before the step of forming the anode layer on the substrate, it is further included in A second light absorbing layer is formed on the reflective metal layer. 3 2. A method for manufacturing an organic electro-active light element includes: forming a reflective metal layer on a substrate; and forming a light absorbing layer on the reflective metal layer. Forming an electrode on the light absorbing layer; forming an organic functional layer on the electrode; and forming a transparent electrode on the organic functional layer. 3 3. —A method for manufacturing an active organic electro-active light element, The method includes: providing a substrate, the substrate having a plurality of thin film transistors, wherein each thin film transistor has a pixel electrode; the picture of each thin film transistor on the substrate; A plurality of cathode isolation layers are formed between the electrodes; a plurality of organic functional layers are formed on the pixel electrode between the cathode isolation layers; an upper electrode layer is formed on the substrate, and the upper electrode layer is formed by the 4 The cathode isolation layer is automatically divided into a plurality of upper electrodes, and the upper electrodes are electrically connected to each other. I1133r.wf.ptd Page 27 595257 6. Application for patent scope isolation; and forming a plurality of first light absorption layers on the substrate, the first light absorption layers overlapping each other on the edges of the cathode isolation layers to As a black-like matrix. 3 4 · The method for manufacturing an active organic electro-optic device described in item 33 of the scope of the patent application, wherein the cathode isolation layers include a structure with a reverse slope. 3 5 · The method for manufacturing an active organic electro-optic device according to item 33 of the scope of the patent application, wherein the step of forming the anodes on the substrate further comprises forming a reflective metal layer on the substrate. 36. The method for manufacturing an active organic electro-optical light-emitting device according to item 35 of the scope of patent application, wherein after the φ step of forming the reflective metal layer on the substrate and the steps of forming the anodes on the substrate The method further includes forming a second light absorbing layer on the reflective metal layer. 37. A method for manufacturing a passive organic electro-optic light-emitting device, comprising: forming a plurality of anodes on a substrate; forming a plurality of cathode isolation layers on the substrate and the anodes, wherein an extension direction of the cathode isolation layers Perpendicular to the extending direction of the anodes; forming a plurality of organic functional layers on the anodes between the cathode isolation layers; forming a cathode layer on the substrate, the cathode layer is automatically formed by the cathode isolation layers Divided into a plurality of cathodes which are electrically isolated from each other; φ and lll33rwf.ptd Page 28 595257 6. Scope of patent application A plurality of first light absorbing layers are formed on the substrate, and the first light absorbing layers overlap each other on the edges of the organic functional layers as a black matrix. 38. The method for manufacturing a passive organic electro-optic device according to item 37 of the scope of the patent application, wherein the cathode isolation layers include a structure having a reverse slope. 39. The method for manufacturing a passive organic electro-optic device according to item 37 of the scope of patent application, wherein before the steps of forming the anodes on the substrate, it further comprises forming a reflective metal layer on the substrate. 40. The method for manufacturing a passive organic electro-optic light-emitting device according to item 39 of the scope of patent application, wherein after the step of forming the reflective metal layer on the substrate and before the step of forming the anodes on the substrate, It further includes forming a light absorbing layer on the φ reflective metal layer. lU33twf.ptd Page 29