TWI550849B - Organic light emitting diode device - Google Patents

Description

Organic light emitting diode device

The present invention relates to an organic light emitting diode device, and more particularly to an organic light emitting diode (OLED) device having a plurality of pairs of individual anode elements connected by respective conductive bridge wires.

Figures 1 and 2 illustrate a general spliced display device disclosed in U.S. Patent No. 6,897,855. The display tile 2 includes front and rear layer structures 22, 21 which are arranged in such a manner that one layer is disposed on the other layer. The front layer structure 21 includes a circuit board 211 and a plurality of optional layers 212. The circuit board 211 has a lower surface, and includes a power connector 2112, an electronic circuit 2113 connected to the power connector 2112, and a plurality of first and second conductors 2114, 2115 connected to the electronic circuit 2113. The front layer structure 22 includes a transparent glass substrate 221, a filter unit 222 formed on the glass substrate 221, parallel row electrodes 223 formed on the filter unit 222, and a row formed thereon. A display material layer 224 on the electrode 223, and parallel column electrodes 225 formed on the display material layer 224. A plurality of first conductive vias 23 are connected to the first conductors 2114 and extend through the first edge of the circuit board 211 and the first edge of the optional layer 212 into the front layer structure 22 to respectively It is connected to the row electrodes 223. many Second conductive vias 24 are connected to the second conductors 2115 and extend through the second edge of the circuit board 211 and the second edge of the optional layer 212 into the front layer structure 22 to respectively The column electrodes 225 are connected. The row electrodes 223 are made of a transparent material indium tin oxide (ITO) to allow light emitted or reflected by the display material layer 224 to pass through the row electrodes 223 and the glass substrate 221.

The foregoing display block 2 is disadvantageous due to the row electrodes 223 and the arrangement of the first and second conductive vias 23, 24 are only suitable for a small-sized and rigid substrate (glass substrate 221), and when a large-sized and flexible substrate is used instead of the glass-based When the material is 221, it may cause display problems such as uneven light emission, poor display quality, and dead spots (not displayed). Further, the row electrode 223 made of ITO is fragile and fragile, which blocks current from passing over the fracture region, thus causing a portion of the display panel 2 to lose its function.

Accordingly, it is an object of the present invention to provide an OLED device that overcomes the aforementioned disadvantages associated with the prior art.

According to the present invention, there has been provided an OLED device comprising a transparent substrate; a light-emitting stack stacked on the transparent substrate and comprising a patterned transparent anode layer, a cathode layer and a cathode layer and the cathode layer a functional layer comprising an anode array of spaced apart anode cells arranged in rows and columns, each anode cell having a row extending in a row and aligned with each other and spaced along a column direction perpendicular to the row direction First and second anode elements, wherein the anode layer, the functional layer, and the cathode The layers are stacked on each other along a vertical direction perpendicular to the column direction and the row direction; an anode connecting metal layer is stacked on the light emitting stack along the vertical direction; a cathode connecting metal layer is stacked along the vertical direction The light emitting stack is electrically connected to the cathode layer; and a plurality of conductive bridge wires are disposed in the light emitting stack and electrically connected to the anode connecting metal layer. Each of the bridge lines extends in the column direction such that the first and second anode elements of each anode unit are electrically connected to each other by a respective one of the bridge lines.

2‧‧‧ Display blocks

21‧‧‧After layered structure

211‧‧‧ a circuit board

2112‧‧‧Power connector

2113‧‧‧Electronic circuit

2114‧‧‧First conductor

2115‧‧‧second conductor

212‧‧‧Optional layer

22‧‧‧Pre-layered structure

221‧‧‧Transparent glass substrate

222‧‧‧ Filter unit

223‧‧‧ row electrode

224‧‧‧Display material layer

225‧‧‧ column electrodes

23‧‧‧First conductive through hole

24‧‧‧Second conductive through hole

3‧‧‧ electroluminescent assembly

30‧‧‧ gap

31‧‧‧Transparent substrate

32‧‧‧Light stacking

321‧‧‧Insulation

322‧‧‧Transparent anode layer

322a‧‧‧Anode unit

3221‧‧‧First anode element

3222‧‧‧Second anode component

323‧‧‧ cathode layer

324‧‧‧ functional layer

3241‧‧‧First functional component

3242‧‧‧Second functional components

323‧‧‧ patterned cathode layer

323a‧‧‧Cathode unit

324‧‧‧ functional layer

324a‧‧‧ functional unit

3241‧‧‧First functional component

3242‧‧‧Second functional components

325‧‧‧Protective film

33‧‧‧Second stacking

331‧‧‧First insulation

3311‧‧‧ first surface

3312‧‧‧ second surface

332‧‧‧Electrical line

333‧‧‧conductive line

334‧‧‧Second insulation

3311‧‧‧ first surface

3312‧‧‧ second surface

332‧‧‧Electrical line

333‧‧‧conductive line

334‧‧‧Second insulation

34‧‧‧Bridge unit

341‧‧‧The first bridge line

342‧‧‧Second bridge line

351‧‧‧Contact contact through hole

352‧‧‧First contact with conductive through holes

353‧‧‧Second lower contact conductive through hole

35a‧‧‧Upper conductive through hole unit

35b‧‧‧Conducting through-hole unit

361‧‧‧Cathode contact conductive through hole

37‧‧‧IC circuit

371‧‧‧ Traces

372‧‧‧Second trace

381‧‧‧ Conductive through hole

41‧‧‧Insulation sheet

411‧‧‧ first surface

412‧‧‧ second surface

42‧‧‧Cathode connection metal layer

43‧‧‧Anode-connected metal layer

431‧‧‧Electrical line

45‧‧‧Second insulation sheet

Other features and effects of the present invention will be apparent from the following description of the drawings, wherein: FIG. 1 is a perspective view showing a generally displayed block; FIG. 2 is an exploded perspective view of the general display block; Is a schematic view of a first preferred embodiment of an electroluminescent assembly of an OLED device according to the present invention; and FIG. 4 is a cross-sectional view of the first preferred embodiment taken along line IV-IV of FIG. 3; 5 is a cross-sectional view of the first preferred embodiment taken along line VV of FIG. 3; FIG. 6 is a cross-sectional view of the first preferred embodiment taken along line VI-VI of FIG. 3; Figure 3 is a cross-sectional view of the first preferred embodiment of the line VII-VII of Figure 3; Figure 8 is a cross-sectional view of the first preferred embodiment taken along line VIII-VIII of Figure 3; Figure 9 is a schematic view illustrating a ground plane of the first preferred embodiment and a first plane; FIG. 10 is a schematic view showing a second plane of the first preferred embodiment; FIG. 11 is a schematic view showing a third plane of the first preferred embodiment; FIG. A schematic view of a second preferred embodiment of the electroluminescent assembly of the OLED device of the invention; FIG. 13 is a substrate, an anode layer, first and second bridge lines and a second embodiment of the second preferred embodiment 1 is a schematic view of an assembly of a second lower contact conductive via; FIG. 14 is an exploded perspective view of a first preferred embodiment of an OLED device according to the present invention; FIG. 15 is a first preferred embodiment of the OLED device FIG. 16 is a schematic view showing an anode unit, a functional unit, a bridge unit and a lower conductive through-hole unit of the first preferred embodiment of the OLED device; FIG. 17 is based on A schematic plan view of a second preferred embodiment of the OLED device of the present invention; FIG. 18 is a schematic view showing an anode unit, a functional unit, a bridge unit, and a lower conductive unit of the second preferred embodiment of the OLED device a combination of hole units; Figure 19 A partial cross-sectional view of a third preferred embodiment of the OLED device according to the present invention; FIG. 20 is a partial cross-sectional view taken along line XX-XX of FIG. 19; and FIG. 21 is a partial cross-sectional view taken along line XXI-XXI of FIG. Figure 22 is a diagram of a fourth preferred embodiment of an OLED device in accordance with the present invention. FIG. 23 is a partial cross-sectional view taken along line XXIII-XXIII of FIG. 22; and FIG. 24 is a partial cross-sectional view along line XXIV-XXIV of FIG.

3 to 8, in conjunction with Figs. 9 through 11, a first preferred embodiment of an electroluminescent assembly 3 of an OLED device in accordance with the present invention is illustrated. The OLED device can be used as a display or a light source.

The electroluminescent assembly 3 comprises: a transparent substrate 31 (disposed on a ground plane, as shown by the layer plane -A in FIG. 9); a first stack 32 comprising a layer formed on the substrate 31 An inner insulating layer 321 , a transparent anode layer 322 formed on the substrate 31 and surrounded by the inner insulating layer 321 (provided in a first layer plane, as shown by layer-B in FIG. 9 ), a cathode layer 323 surrounded by an inner insulating layer 321 and at least one functional layer 324 (provided in a layer plane-C of a second layer plane as shown in FIG. 10, the functional layer 324 is disposed on the anode layer 322 and the a cathode layer 323 (provided between a third layer plane, as shown by the layer plane -D in FIG. 11) and a protective film 325 formed on the inner insulating layer 321 and the cathode layer 323, the anode layer 322 The first and second anode elements 3221, 3222 are arranged in parallel, and the functional layer 324 has first and second functional elements 3241, 3242 respectively disposed on the first and second anode elements 3221, 3222, and the like. The first and second anode elements 3221, 3222 are aligned in a column direction (X), and the cathode layer 323 spans the first and second functional elements 3 in the column direction (X) 241, 3242 extending; a second stack 33 disposed on the first stack 32 and including a first one having opposite first and second surfaces 3311, 3312 The edge layer 331 is disposed on the first surface 3311 of the first insulating layer 331 and is disposed in a row direction (Y) perpendicular to the column direction (X). a conductive column line 333 extending on the second surface 3312 of the insulating layer 331 and extending in the column direction (X), and a first insulating layer 331 and the protective film 325 are disposed between the first insulating layer 331 and the protective film 325 a layer 331 and a second insulating layer 334 of the protective film 325; a conductive first bridge line 341 disposed in the first stack 32 and connected to the first and second anode elements 3221, 3222; a first stack 32, connected to the first and second anode elements 3221, 3222, and opposite to the conductive second bridge line 342 of the first bridge line 341 in the row direction (Y); Extending from the conductive line 332 through the protective film 325 into the first stack 32 and respectively connected to the upper conductive via units of the upper contact conductive vias 351 of the first and second bridge lines 341, 342; One includes two vertically extending from the conductive column line 333 through the first and second insulating layers 331, 334 and the protective film 325 The first stack 32 and the two are opposite to the cathode contact vias 361 of the cathode vias unit end the cathode layer 323.

The first and second functional elements 3241, 3242 are defined herein to mean that a voltage can be applied to the anode layer 322 and the cathode layer 323 to perform functions (eg, light emission, light transmission, light modulation, Structure that is activated by signal processing, signal switching, signal amplification, and signal detection. In this embodiment, the first and second functional elements 3241, 3242 comprise an organic electroluminescent medium, and thus the OLED device 3 is an OLED device. The organic electroluminescent medium usually consists of an organic hole transport film, an organic electric The sub-transport film is composed of an organic light-emitting film disposed between the organic hole transport film and the organic electron transport film.

In this embodiment, the first and second bridge lines 341, 342 is the same layer as the cathode layer 323 (that is, is disposed in the third layer plane -D). Alternatively, the first and second bridge lines 341, 342 are the same layer (not shown) as the anode layer 322.

In this embodiment, the upper contact conductive vias 351 are respectively The conductive row lines 332 extend perpendicularly to the first and second bridge lines 341, 342. The OLED further includes two first lower contact conductive vias 352 extending vertically and separately from the first and second anode elements 3221, 3222 through the inner insulating layer 321 to the first bridge line 341, and Two second lower contact conductive vias 353 extending vertically and separately from the first and second anode elements 3221, 3222 through the inner insulating layer 321 to the second bridge line 342. Alternatively, when the first and second bridge wires 341, 342 are formed in the same layer as the anode layer 322, the upper contact conductive via 351 can directly extend from the conductive row line 332 to the first and second anodes. One of the elements 3221, 3222, or extends to the first and second bridge lines 341, 342, respectively.

The transparent substrate 32 and the first and second stacks 32, 33 are preferably It is flexible so that the entire OLED device can be made flexible.

The inner insulating layer 321 may be a single layer or a plurality of layers, depending on the present The patterning process for fabricating the lower contact conductive vias 352 and 353 and the first and second conductive bridge lines 341 and 342 is adopted by the invention.

The anode layer 322 is made of a conductive transparent material such as indium tin oxide (ITO). The cathode layer 323 and the first and second bridge wires 341, 342 are preferably made of materials such as aluminum, copper, silver, gold, and alloys thereof.

The protective film 325 may be a single layer or a plurality of layers depending on a bonding process in which the first stack 32 and the second stack 33 are laminated.

Figures 12 and 13 illustrate a second preferred embodiment of an electroluminescent assembly 3 of an OLED device in accordance with the present invention. The second preferred embodiment is different from the previous embodiment in that the electroluminescent assembly 3 of the second preferred embodiment comprises three first anode elements 3221, three second anode elements 3222, and three respectively formed on The first functional element 3241 on the first anode element 3221, three second functional elements 3242 respectively formed on the second anode element 3222, three row lines 332, and three first bridge lines 341 Three second bridge lines 342, three upper conductive through-hole units (each including two upper contact conductive through holes 351) and three lower conductive through-hole units (each of which includes two lower contact conductive through holes 352 and The two second lower contacts are electrically conductive through holes 353). The first and second anode elements 3221, 3222 are aligned in the column direction (X). The first and second bridge lines 341, 342 are aligned in the row direction (Y).

Each of the upper conductive via units and a respective lower conductive via unit of the lower conductive via units cause a respective one of the conductive strips 332 to pass the first A respective first bridge line 341 of one of the bridge lines 341 and a second one of the second bridge lines 342 are connected to a respective first anode of the first anode elements 3221 Element 3221 and a second anode element 3222 of each of the second anode elements 3222. Each conductive through hole single The connections between the elements and the corresponding first and second anode elements 3221, 3222 are essentially the same as the connections of the upper conductive via units in the first preferred embodiment (see Figures 3 through 8).

The first and second functional elements 3241, 3242 can display different colors. In this embodiment, the first functional elements 3241 can display red, green, and blue from right to left, and the second functional elements 3242 can display blue, green, and red from right to left. Thus, they are formed on the first and second anode elements 3221, 3222, respectively (by the respective first bridge lines 341 of the first bridge lines 341 and the second bridge lines of the second bridge lines 342) Each of the first functional elements 3241 and the corresponding second functional elements 3242 of the second functional elements 3242, which are 342 connected) and symmetrically disposed, display the same color.

14 to 16, in conjunction with Figs. 3 through 8, illustrate a first preferred embodiment of an OLED device in accordance with the present invention. The OLED device can be viewed as a combination of a plurality of electroluminescent assemblies 3 of the preferred embodiment as shown in FIG. 3, which are configured in multiple rows and columns. Therefore, the first preferred embodiment of the OLED includes: a transparent substrate 31; a first stack 32 including a patterned inner insulating layer 321 formed on the substrate 31, and a substrate 31 formed thereon a patterned transparent anode layer 322, a patterned cathode layer 323, a patterned functional layer 324 disposed between the anode layer 322 and the cathode layer 323, and a patterned over the inner insulating layer 321 and the cathode layer 323. An insulating protective film 325 comprising an anode array of an anode unit 322a of a plurality of anode units 322a arranged in a plurality of rows, the cathode layer 323 comprising a plurality of cathode units 323a, in the form of each of To span the anode a metal strip of the anode cells 322a of a respective column of the array, the functional layer 324 comprising a plurality of functional units 324a of a functional array configured to be multi-row and separately formed On the anode unit 322a of the anode array; a second stack 33 disposed on the first stack 32 and including a first insulating layer 331 having opposite first and second surfaces 3311, 3312, Conductive row lines 332 disposed on the first surface 3311 of the insulating layer 331 and extending in a row direction (Y), a plurality of conductive column lines 333 disposed on the second surface 3312 of the insulating layer 331 and a second insulating layer 334 disposed between the first insulating layer 331 and the protective film 325 and combined with the first insulating layer 331 and the protective film 325, the conductive column line 333 is in a row direction (Y) Extending in a vertical column direction (X); an upper conductive via array configured as a plurality of rows of upper conductive via units 35a, the upper conductive via units of each row of the rows of the upper conductive via array 35a extends from a respective one of the conductive rows 332 into the first stack 32 and connected to the anode of such a cell line of a corresponding row such array in the anode 322a; and a cathode arranged array of a plurality of cathode conductive through hole vias 361 of the plurality of rows. A cathode contact via array 361 of each of the columns of the cathode conductive via array extends from a respective one of the conductive column lines 333 into the first stack 32 and is connected to the cathodes A corresponding one of the cells 323a corresponds to the cathode unit 323a.

In this embodiment, each of the anode cells 322a of each of the rows of the rows of the anode array includes first and second anode elements 3221, 3222 disposed oppositely. The display array Each of the functional units 324a of each of the rows in the row includes first and second functional elements 3241, 3242 disposed oppositely, the same being formed in the respective rows of the rows of the anode array The first and second anode elements 3221, 3222 of the respective anode unit 322a of the row of anode cells 322a are disposed. The OLED device further includes a bridging unit of a bridge array disposed in the first stack, configured in a plurality of rows, and disposed in the same layer as the cathode layer 323. Each bridge unit 34 includes first and second bridge lines 341, 342 disposed oppositely. Each of the first and second bridge lines 341, 342 of each bridge unit 34 of each of the rows of the bridging array is connected to the rows of the anode array by a lower array of conductive vias First and second anode elements 3221, 3222 of a respective anode unit 322a of the anode cells 322a of a respective row.

The lower conductive via array includes a plurality of lower leads configured in a plurality of rows Electrical via unit 35b. Each lower conductive via unit 35b of each row of the lower conductive via array includes: two first lower contact conductive vias 352, the bridging units 34 from a respective row of the rows of the bridging array The first bridge line 341 of a respective bridging unit 34 extends to the first and second anodes of a respective anode unit 322a of the anode units 322a of a respective row of the rows of the anode array An element 3221, 3222; and two second lower contact conductive vias 353, the second bridge of a respective bridging unit 34 of the bridging units 34 from a respective one of the rows of the bridging array Line 342 extends to first and second anode elements 3221, 3222 of the respective anode unit 322a of the respective anode cells 322a of the respective rows in the row of the anode array.

The OLED device further includes an IC circuit 37 mounted on the An edge of the second surface 3312 of the first insulating layer 331 is used to control current flow into the anode unit 322a of the anode layer 322. The conductive lines 332 pass through the traces 371 formed on the second surface 3312 of the first insulating layer 331 and the conductive vias extending through the first and second surfaces 3311, 3312 of the first insulating layer 331 381 is electrically connected to the IC circuit 37. The conductive column lines 333 are electrically connected to the IC circuit by a second trace 372 formed on the second surface 3312 of the first insulating layer 331.

17 and 18 illustrate a second embodiment of an OLED device in accordance with the present invention Preferred embodiment. The second preferred embodiment of the display device differs from the previous embodiment in that each anode unit 322a of the anode array includes an anode element 3221, and each functional unit 324a of the display array includes a core formed thereon. The functional elements 3241 on the anode element 3221 of the respective anode unit in the anode unit, and the bridging array are no longer needed. Each conductive via unit of each row of the upper conductive via array includes two upper contact conductive vias 351 extending from the respective conductive row lines 332 of the conductive row lines 332 to the anode array. The opposite ends of the anode element 3221 of a respective anode unit 322a of the anode cells 322a of a respective row in a row.

The foregoing general display block 2, especially for a flexible display In terms of tiles, the disadvantages include essentially low manufacturing yields and significant layer-to-layer misalignment errors due to the transparent material (such as ITO forming the aforementioned row electrodes 223) and unstable and long currents. Poor display quality caused by the injection path. Since ITO is prone to chipping during patterning and lamination processes, Therefore, the pixel design of the aforementioned general display tile 2 cannot solve the possible display manufacturing disadvantages caused by the use of the flexible substrate. Since the foregoing general display block 2 has only one current injection point at each row electrode 223 (current from the electronic circuit 2113 is injected into each row electrode 223), the injected current may be due to the transparent conductive material of the row electrode 223. The high sheet resistance can only reach a short distance of the entire length of the row electrode 223. Moreover, for example, when the row electrode 223 is broken into two halves from the intermediate position (which may occur during the manufacturing process of the display tile 2), the injected current can only flow into one half of the row electrode 223. .

Electroluminescence assembly 3 of OLED device of the present invention Provided are first and second bridge wires 341, 342, or row lines 332, and upper conductive via units for current injection paths into the first and second anode elements 3221, 3222 on a flexible substrate The number may increase, eliminating the need for extremely high precision in layer-to-layer alignment, and current can still be injected into the first and second when cracking occurs in the first and second anode elements 3221, 3222 during manufacturing. The entire length of the anode elements 3221, 3222. Therefore, in the case where the first bridge line 341 and/or the second bridge line 342, the row line 332, and the upper conductive via unit are included in the electroluminescence assembly 3 of the OLED device of the present invention, the current cannot be overcome. The disadvantage of successfully injecting into at least some functional components.

19 to 21 illustrate a third preferred embodiment of an OLED according to the present invention Example. The OLED device of the third preferred embodiment includes: a transparent substrate 31; a light emitting stack 32 stacked on the transparent substrate 31 and including a patterned transparent anode layer 322, a cathode layer 323, and a cathode disposed thereon. Floor 322 and a functional layer 324 between the cathode layer 323, the anode layer 322 comprising an anode array of spaced apart anode cells arranged in rows and columns, each anode cell having a row extending in a row (Y) and aligned with each other and spaced apart a gap 30 (along a column direction (X) perpendicular to the row direction (Y)) of the first and second anode elements 3221, 3222 having a width along the column direction (X), The anode layer 322, the functional layer 324 and the cathode layer 323 are stacked on each other along a vertical direction (Z) perpendicular to the column direction (X) and the row direction (Y); an anode is connected to the metal layer 43, Stacked on the light-emitting stack 32 along the vertical direction (Z); a cathode connection metal layer 42 stacked on the light-emitting stack 32 along the vertical direction (Z) and electrically connected to the cathode layer 323; Conductive bridge wires 341, 342 are disposed in the light emitting stack 32 and electrically connected to the anode connection metal layer 43. Each bridge line 341, 342 extends in the column direction (X) and spans a gap 30 between the first and second anode elements 3221, 3222 of a respective one of the anode cells, thus each anode unit The first and second anode elements 3221, 3222 are electrically connected to each other by a respective pair of bridge wires 341, 342. Alternatively, the first and second anode elements 3221, 3222 of each anode unit may be different from and inclined to the row direction (Y) and the column direction (X) and perpendicular to the vertical direction (Z) Extending in a length direction (not shown), and each of the bridge wires 341, 342 may extend in a second length direction (not shown) different from the first length direction and perpendicular to the vertical direction (Z) . The width of the gap 30 can range from 10 [mu]m to several centimeters, depending on the actual needs of the electroluminescence resolution.

In this embodiment, the OLED further includes a protective film 325, An insulating sheet 41, a plurality of anode-connecting conductive vias 351, and a plurality of conductive cathodes are connected to the conductive vias 352. The protective film 325 covers the cathode layer 323 and the bridge wires 341 and 342. The insulating sheet 41 is bonded to the protective film 325 along the vertical direction (Z) and stacked on the protective film 325, and has first and second surfaces 411, 412. The conductive cathode connection conductive vias 361 extend through the protective film 325 and the first and second surfaces 411, 412 of the insulating sheet 41. The cathode connection metal layer 42 is formed on the second surface 412 of the insulating sheet 41, and is electrically connected to the cathode layer 323 by the conductive cathode connection conductive vias 361. The anode layer 322 and the bridge wires 341, 342 are formed on the transparent substrate 31. The anode connection conductive vias 351 extend through the protective film 325. The anode connection metal layer 43 includes a plurality of conductive row lines 431 extending in the row direction (Y), formed on the first surface 411 of the insulating sheet 41, and electrically connected to the conductive via holes 351 by the anodes. Connected to the bridge lines 341, 342.

The cathode layer 323 has a layer thickness of 50 nm to 200 nm and is made of aluminum. The cathode connection metal layer 42 has a layer thickness of more than 1 μm and is made of a metal selected from the group consisting of silver, copper, and combinations thereof. The anode layer 322 is made of indium tin oxide. The bridging lines 341, 342 are made of a metal selected from the group consisting of silver, copper, aluminum, and combinations thereof.

22 through 24 illustrate a fourth preferred embodiment of an OLED device in accordance with the present invention. The fourth preferred embodiment differs from the third preferred embodiment in the connection between the bridge wires 341, 342 and the anode connection metal layer 43 and between the cathode layer 323 and the cathode connection metal layer 42.

In this embodiment, the OLED device further includes a first insulating sheet 41, a plurality of cathode connecting conductive vias 361, a second insulating sheet 45, and a plurality of anode connecting conductive vias 351. The first insulating sheet 41 is bonded to the cathode layer 323 along the vertical direction (Z) and stacked to the cathode layer 323, and has a surface 412. The cathode connection conductive vias 361 extend from the cathode layer 323 through the first insulating sheet 41. The cathode connection metal layer 42 is formed on the surface 412 of the first insulating sheet 41, and is electrically connected to the cathode layer 323 by the connection conductive vias 361. The second insulating sheet 45 is bonded to the transparent substrate 31 along the vertical direction (Z) and stacked to the transparent substrate 31, and has first and second surfaces 451, 452. The anode layer 322 and the bridge wires 341, 342 are formed on the second surface 452 of the second insulating sheet 45. The anode connection conductive via 351 extends through the first and second surfaces 451, 452 of the second insulating sheet 45. The anode connection metal layer 43 includes a plurality of row lines 431 formed on the first surface 451 of the second insulating sheet 45 and electrically connected to the bridge lines 341, 342 by the anode connection conductive vias 351.

In the case where the bridge wires 341, 342 are included to bridge the anode elements 3222, 3221 of the anode layer 322 to internally connect the anode connection metal layer 43 and the bridge wires 341, 342, the disadvantages described in the prior art can be alleviated. .

The above is only the preferred embodiment of the present invention, and the scope of the present invention is not limited thereto, that is, the simple equivalent changes and modifications made by the patent application scope and patent specification content of the present invention, All remain within the scope of the invention patent.

31‧‧‧Transparent substrate

3221‧‧‧First anode element

3222‧‧‧Second anode component

323‧‧‧ cathode layer

324‧‧‧ functional layer

325‧‧‧Protective film

341‧‧‧ Conductive first bridge line

351‧‧‧Contact contact through hole

361‧‧‧Cathode contact conductive through hole

41‧‧‧Insulation sheet

411‧‧‧ first surface

412‧‧‧ second surface

42‧‧‧Cathode connection metal layer

431‧‧‧Electrical line

Claims (13)

An organic light emitting diode device comprising: a transparent substrate; a light emitting stack stacked on the transparent substrate, and comprising a patterned transparent anode layer, a cathode layer, and a cathode layer and the cathode disposed An inter-layer functional layer comprising an anode array of spaced-apart anode cells arranged in rows and columns, each anode cell having a row extending in a row and aligned with each other and spaced along a column direction perpendicular to the row direction First and second anode elements, wherein the anode layer, the functional layer and the cathode layer are stacked on each other along a vertical direction perpendicular to the column direction and the row direction; an anode is connected to the metal layer along the vertical a direction stacked on the light emitting stack; a cathode connecting metal layer stacked on the light emitting stack along the vertical direction and electrically connected to the cathode layer; and a plurality of conductive bridge wires disposed in the light emitting stack and electrically connected to The anode is connected to the metal layer, and each bridge line extends in the column direction, so that the first and second anode elements of each anode unit are bridged by a respective one of the bridge lines Electrically connected to each other. The OLED device of claim 1, further comprising a protective film, an insulating sheet and a plurality of cathode-connecting conductive vias, the protective film covering the cathode layer and the bridge lines, the insulating sheet along The vertical direction is coupled to the protective film and stacked on the protective film and has first and second surfaces, the cathode connecting conductive through holes extending through the protective film and the insulating The first and second surfaces of the sheet are formed on the second surface of the insulating sheet and electrically connected to the cathode layer through the cathode connecting conductive vias. The OLED device of claim 2, further comprising a plurality of anode-connected conductive vias, the anode layer and the bridge lines being formed on the transparent substrate, the anode-connecting conductive vias extending through The protective film, the anode connection metal layer includes a plurality of conductive rows formed on the first surface of the insulating sheet and electrically connected to the bridge wires through the anode connection conductive vias. The OLED device of claim 1, further comprising an insulating sheet and a plurality of cathode-connecting conductive vias, the insulating sheet being bonded to the cathode layer along the vertical direction and stacked on the cathode layer and having a cathode-connecting conductive via extending from the cathode layer through the insulating sheet, the cathode connecting metal layer being formed on the surface of the insulating sheet and electrically connected to the conductive via via the cathode connection Cathode layer. The OLED device of claim 4, further comprising a second insulating sheet and a plurality of anode-connecting conductive vias, the second insulating sheet being bonded to the transparent substrate along the vertical direction and stacked thereon a transparent substrate having first and second surfaces, the anode layer and the bridge wires are formed on the second surface of the second insulating sheet, and the anode connecting conductive vias extend through the second insulating sheet The first and second surfaces, the anode connection metal layer includes a plurality of conductive row lines formed on the first surface of the second insulating sheet and electrically connected to the anode via the anode connection conductive vias Bridge line. The organic light-emitting diode device according to claim 1, wherein the cathode layer has a layer thickness of from 50 nm to 200 nm and is made of aluminum, and the cathode connection metal layer has a layer thickness of more than 1 μm and is composed of Manufactured from a metal consisting of a group consisting of silver, copper, and combinations thereof, the anode layer is made of indium tin oxide, and the bridging lines are selected from the group consisting of silver, copper, aluminum, and combinations thereof. The group consisting of metal is made. An organic light emitting diode device comprising: a transparent substrate; a light emitting stack stacked on the transparent substrate and comprising a patterned transparent anode layer, a cathode layer and a cathode layer and the cathode layer disposed between the anode layer and the cathode layer a functional layer, the anode layer comprising an anode array of a plurality of spaced-apart anode units arranged in a plurality of rows and columns, each anode unit having alignment with each other and a gap between each other along a column direction and different from First and second anode elements extending in a first length direction of the column direction, the anode layer, the functional layer and the cathode layer along a direction perpendicular to the column direction and the first and second anode elements The vertical direction of the first length direction is stacked on each other; an anode connecting metal layer is stacked on the light emitting stack along the vertical direction; a cathode connecting metal layer is stacked on the light emitting stack along the vertical direction and electrically connected thereto a cathode layer; and a plurality of conductive bridge wires disposed in the light-emitting stack and electrically connected to the anode connection metal layer, each bridge line being in a respective anode unit of the anode units Element between a second anode and across the gap And extending in a second length direction different from the first length direction, such that the first and second anode elements of each anode unit are electrically connected to each other by the respective bridging lines in the bridging lines. The organic light emitting diode device of claim 7, wherein the bridge lines extend in the column direction. The OLED device of claim 7, further comprising a protective film, an insulating sheet and a plurality of conductive cathode-connecting conductive vias, the protective film covering the cathode layer and the bridge lines, the insulation The sheet is bonded to the protective film along the vertical direction and stacked on the protective film and has first and second surfaces, the electrically conductive cathode connecting the conductive through holes extending through the protective film and the first of the insulating sheets And a second surface, the cathode connection metal layer is formed on the second surface of the insulating sheet and is electrically connected to the cathode layer through the cathode connection conductive via holes. The OLED device of claim 9, further comprising a plurality of anode-connected conductive vias, the anode layer and the bridge lines are formed on the transparent substrate, and the anode-connecting conductive vias extend through The protective film, the anode connection metal layer includes a plurality of conductive rows formed on the first surface of the insulating sheet and electrically connected to the bridge wires through the anode connection conductive vias. The OLED device of claim 7, further comprising an insulating sheet and a plurality of cathode-connecting conductive vias, the insulating sheet being bonded to the cathode layer along the vertical direction and stacked on the cathode layer and having a surface of the cathode connecting conductive via extending from the cathode layer through the insulating sheet, the cathode connecting metal layer being formed on the surface of the insulating sheet and by The cathode connection conductive vias are electrically connected to the cathode layer. The OLED device of claim 11, further comprising a second insulating sheet and a plurality of anode-connecting conductive vias, the second insulating sheet being bonded to the transparent substrate along the vertical direction and stacked thereon a transparent substrate having first and second surfaces, the anode layer and the bridge wires are formed on the second surface of the second insulating sheet, and the anode connecting conductive vias extend through the second insulating sheet The first and second surfaces, the anode connection metal layer includes a plurality of row lines formed on the first surface of the second insulation sheet and electrically connected to the bridge lines by the anode connection conductive vias . The organic light-emitting diode device according to claim 7, wherein the cathode layer has a layer thickness of from 50 nm to 200 nm and is made of aluminum, the cathode connection metal layer having a layer thickness of more than 1 μm, and Made of a metal selected from the group consisting of silver, copper, and combinations thereof, the anode layer is made of indium tin oxide, and the bridging lines are selected from the group consisting of silver, copper, aluminum, and The combination consists of a group of metals made of metal.