TWI230294B - Dual display device - Google Patents

Abstract

A dual display device comprised a transparent substrate, a first emitting display area and a second emitting display area. The first emitting display area disposed on the transparent substrate and were a total transparent emitting display area. The first emitting display area comprised a plurality of pixels and at least one active driving circuit. The pixel of the first emitting display area comprised, in sequence, a first electrode, at least one first organic functional layer, and a second electrode. The active driving circuit drove the pixels of the first emitting display area. The second emitting display area disposed on the transparent substrate and comprised a plurality of pixels and at least one passive driving circuit. The second emitting display area could be a top-emitting display area, a bottom-emitting display area or a total transparent emitting display area. The pixel of the second emitting display area comprised, in sequence, a third electrode, at least one second organic functional layer, and a fourth electrode. The passive driving circuit drove the pixels of the second emitting display area.

Description

1230294 V. Description of the invention (1) (1), [Technical field to which the invention belongs] The present invention relates to a display device, and particularly to a double-sided display device having at least a total transparent emitting display area. . (2), [Previous Technology] In recent years, as electronic devices have become lighter, thinner, shorter, and smaller, flat panel displays have become more important. In addition, as the form of electronic devices tends to be diversified, “the double-sided display device with rich information is one of the main features of the new generation of electronic products.” Taking the mobile phone as an example, the double-sided display device can be used as the primary display area and the secondary display at the same time. Zone use. The double-sided display device produced in the industry is a two-sided display panel (such as a liquid crystal display panel or an organic electroluminescent panel), which is affixed to each other. As shown in FIG. 1, the conventional double-sided display device 1 includes A first display panel 丨 丨 and a second display panel 12, wherein the first display panel 11 has a transparent substrate in, a first electrode 112, a light-emitting area 113, a second electrode 114, and a cover 11 5 The light-emitting area 11 3 is located between the first electrode 11 2 and the second electrode 11 4. The first electrode 11 2 is formed on the transparent substrate 1, and the cover plate 5 is attached to the transparent substrate 1 with an adhesive. In addition, the second display panel 12 also has a transparent substrate 121, a third electrode 122, a light-emitting area 123, a fourth electrode 124, and a cover plate 125. The light-emitting area 123 is located on the third electrode 1 2 2 Between the fourth electrode 1 2 4 and the third electrode 1 2 2 are formed on the transparent substrate 1 2 1, and the cover plate 1 2 5 is attached to the transparent substrate 1 2 1 by an adhesive. Here, the cover 115 of the first display panel 11 is the cover of the second display panel 12

1230294 V. Description of the invention (2) 1 2 5 Pairs of stickers to form a double-sided display device 1 As mentioned above, due to the current double-sided display device and two transparent substrates, not only the whole Luo Erqian has two covers 厗The size of Xia's volume is very large and the weight is also heavy, which does not conform to the trend of electronic signatures. In addition, the first display panel and the second display panel are manufactured by the same manufacturing process as thin, short, and small. Therefore, the manufacturing process of the Fuban must be driven separately through the non-display panel and the second display panel. Time-consuming 'and the first invention of this invention, because of this, eager to think of a "two-sided display at the end of the journey" to study nine inventions until the completion of this invention for the benefit of the world. (3), [contents of the invention] this The purpose of the present invention is to provide a light, thin device with a short and small double-sided display device. Another object of the present invention is to provide a double-sided display with a mirror effect. Another object of the invention is to provide an active and passive driving device. In order to drive the double-sided display device with two display areas. In order to achieve the above-mentioned object, a double-sided display device according to the present invention includes a light-emitting display area of a clay plate and a second light-emitting display area. In the present invention, the first The light-emitting display area is provided on a transparent substrate and is a fully transparent light-emitting display area. The light-emitting display area includes a plurality of pixels and at least one active driving circuit. The pixels of the first light-emitting display area sequentially include a first electrode, at least one first An organic layer and a second electrode, the active driving circuit drives the daylight element in the first light-emitting display area; the second light-emitting display area is arranged on the transparent substrate

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And includes a complex search to see s _ dry p $ 蚩 I # I prime and v a passive drive circuit, the second light emission == sequence contains a third electrode, at least-the second organic function, the passive drive circuit drives the second The light-emitting display area hemp = 荻 伞 龆 _, the second light-emitting display area may be a top surface light-emitting display area, a wide U display: area, or a fully transparent light-emitting display area. Read Xing: ‘: The light display area and / or the second light-emitting display area may be provided with at least-] so that the first light-emitting display area and / or the second light-emitting display area have a mirror effect. In addition, the daylight system is formed by actively driving the substrate and simultaneously forming the system separately, and the transparent substrate is driven by the active mode to be lighter, and the volume yield of the two processes is time. Small and more commercialized should have the effect of two display areas; another first light-emitting display passively drives the circuit, and the two display areas of the present invention are two-sided display on a transparent substrate. Therefore, the display area of this cover and a single cover can be reduced as described above. With the entire process used, it is very suitable for all or separately. The display area of the present invention can also be driven by type. The pixels are displayed on both sides of the main display. (At least there are two sides of the two display inventions of the main display of the device. 'Not only the entire production cost of the same system is not only the invention but also the information. 丨 The light transmission has a mirror effect, and the main light has a passive driving of the second light-emitting display. The dynamic driving mode device is used in the single fully transparent light-emitting display area and the secondary display area to display the device at the same time during the thickness of the device. It can also bring the characteristic reflection layer of the light division of the entire device to improve the dual-action and Passive square motion circuit, and the display area can be driven. A transparent substrate display area), the display area, the active and the need to use a single thin, weight, can shorten the high overall process, thin, short, for practical Settings, can be driven by the surface display device,

1230294 V. Description of the invention (4) This can greatly expand the application field and value of the dual (four) -sided display device. [Embodiment] And: ^: Refer to the related figure * to explain the double-sided according to the preferred embodiment of the present invention It is not displayed. And a second person, 4 people, such as 2 Mingsuo: 'The double-sided display device 2 according to the preferred embodiment of the present invention, includes: a transparent substrate 21, a first light-emitting display area 22, and a light-emitting area 23. In the example, the first light-emitting display area 22 is disposed on the transparent substrate θ βi ^ as a fully transparent light-emitting display area, the first light-emitting display area 22 ^^ ^ and an active driving circuit 224; the second light-emitting display area 23 The drum is placed on a transparent substrate 2 and includes a plurality of celestial elements and a passive driving circuit 234. f = the celestial elements of the light-emitting display area 22 sequentially include a first electrode 22 1 and at least a first organic functional layer. 222 and a second electrode 223, and the light emitted from the first light-emitting display area 22 is emitted upward through the second electrode 2 2 3 and downward through the first electrode 221 and the transparent substrate 21; the second light display The pixels of the area 23 include a third electrode 23m, at least a second functional layer 232, and a fourth electrode 233 in this order. As shown in FIG. 2, the second light-emitting display area 23 is a top surface light-emitting display area. The emitted light is emitted upward through the fourth electric power ^ 2 3 3. It should be noted that please refer to FIG. 3 and FIG. 4. The second light-emitting display area 23 may be a bottom-side light-emitting display area, and the light emitted therethrough is transmitted through the first electrode 2 3 1 and the transparent substrate 2 1 downward. Emitting (as shown in FIG. 3 ^ the second light-emitting display area 23 may also be a fully transparent light-emitting display area, the light emitted by the fourth electrode 2 3 3 is emitted upward, and through the second wooden second electrode

Page 9 1230294 V. Description of the invention (5) 231 and the transparent substrate 21 are issued downward. Please refer to FIG. 2 again. In this embodiment, the transparent substrate 21 may be a flexible (f 1 ex i b 1 e) substrate or a rigid (r i g i d) substrate. In addition, the transparent substrate 21 may be a plastic substrate, a glass substrate, or the like. The flexible substrate and the plastic substrate may be a polycarbonate (PC) substrate, a polyester (PET) substrate, a cyclic olefin copolymer (C0C) substrate, or a metal chrome substrate. Dilute copolymer (metallocene-based cyclic olefin copolymer, mCOC) substrate. The first light-emitting display area 22 is a fully transparent light-emitting display area, which has a plurality of pixels and an active driving circuit 224. The first light-emitting display area 22 The day element sequentially includes a first electrode 221, a first organic functional layer 222, and a second electrode 223. The first electrode 221 is formed on the transparent substrate 21, and the active driving circuit 2 2 4 is provided in the pixel. At least one capacitor and at least two thin film transistors (not shown in the figure). Therefore, the active driving circuit 224 can drive the daylight in the first light-emitting display area 22 in an active driving manner, as shown in FIG. 2. Here, the first electrode 221 is formed on the transparent substrate 21 by using a SpUttering method or an ion plating method. The material of the first electrode 221 is usually a transparent conductive metal oxide. Materials, such as indium tin oxide (T0), aluminum zinc oxide (AZ0), indium zinc oxide (IZ0), or cadmium tin oxide (CdSn0). The first organic functional layer 2 2 2 is usually selected from at least one of a hole injection layer, a hole transport layer, a light emitting layer, an electron transport layer, and an electron injection layer or a combination thereof (not shown in the figure). First organic functional layer 2 2 2

Page 10 1230294 V. Description of the invention (6) Formed on the first electrode 221 by evaporation, spin coating, ink jet panting, or printing. on. In addition, the light emitted by the first organic functional layer 222 may be blue light, green light, red light, white light, other monochromatic light, or a combination of monochromatic light. The second electrode 22 3 is located on the first organic functional layer 222. Here, the first electrode 223 is formed on the first organic energy layer 222 by a method of depositing ore or ion plating. In addition, the material of the second electrode 223 is usually a transparent conductive metal oxide, such as indium tin oxide (丨 τ〇), aluminum zinc oxide (ΑZ0), indium zinc oxide (IZ0), or cadmium tin. Oxide (CdSnO) 〇 Please refer to FIG. 2 again. The second light-emitting display area 23 is a top surface light-emitting display area and is disposed on the transparent substrate 21, which has a plurality of pixels and a passive driving circuit 234. The pixels of the two light-emitting display area 23 include a third electrode 231, a second organic functional layer 232, and a fourth electrode 233 in this order. The third electrode 231 is formed on the transparent substrate 21, and the passive driving circuit 2 34 is The row and column scanning mode drives the day light element of the second light-emitting display area 23, so the passive driving circuit 2 3 4 can drive the pixels of the second light-emitting display area 23 and the second light-emitting display area 23 by passive driving. The emitted light is emitted upward through the fourth electrode 2 33. In this embodiment, the third electrode 2 31 is formed on the transparent substrate 21 by a method such as evaporation or sputtering. Here, the third electrode 2 3 1 is generally used as an anode and its material can be selected from, but not limited to, aluminum (Al), # 5 (Ca), thorium (Mg), indium (In), tin (Sn), and manganese. (Μη), silver

1230294 V. Description of the invention (7) (Ag), gold (Au), and alloys containing magnesium (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). The second organic functional layer 2 3 2 is usually selected from at least one of a hole injection layer, a hole transport layer, a light emitting layer, an electron transport layer, and an electron injection layer or a combination thereof (not shown in the figure). The second organic functional layer 232 is formed on the third electrode 231 by using evaporation, spin coating, ink jet printing, or printing. In addition, the light emitted by the second organic functional layer 232 may be blue light, green light, red light, white light, other monochromatic light, or a combination of monochromatic light. The fourth electrode 233 is located on the second organic functional layer 232. Here, the fourth electrode 233 is formed on the second organic functional layer 232 by a sputtering method or an ion plating method. In addition, the fourth electrode 233 is usually used as a cathode, and its material is usually a transparent conductive metal oxide, such as indium tin oxide (ιτο), aluminum oxide (AZ0), and indium zinc oxide (IZ). Or cadmium tin oxide (CdSnO). ’In this embodiment, 'the disposition relationship between the first light-emitting display area 22 and the second light-emitting display area 23' and the size of the two areas can be adjusted according to actual needs. Furthermore, the double-sided display device 2 of this embodiment further includes a cover plate 27 which is adhered to the transparent substrate 21 with an adhesive 271. Of course, the cover plate π ^ is a flat plate as shown in FIG. 2. In addition, the cover plate π ^ may also have other shapes, such as a shape with a central groove to cover a transparent substrate (not shown in the figure).

1230294 V. Description of Invention (8)). Since the first functional layer is for the aquatic dark spots (Dark display area 22 and second), this 28 is located on the left and right sides of the water removal unit 28 and 23, and the water removal unit 28 and 23 are on the left and right sides. After the sealing is used, the brother's life is used. This or the fourth electrode can be formed with the material of element 2 8 or the material of the gas; or the ultraviolet curing of the light-emitting display area 22 and the second light-emitting display area 23 is very sensitive to oxygen The volume f Spot after contact with the atmosphere is to add a cover plate 27 to prevent the first light-emitting display area 23 from being affected by moisture and oxygen. The double-sided display device 2 of the shoulder embodiment further includes a water-removing single cover U and a transparent substrate 2 in a closed space formed on the first light-emitting display area 22 and the second light-emitting display area on the cover. 27, so the cross-sectional view shown in FIG. 2 is displayed in the first light-emitting display area 22 and the second light-emitting display area. Here, the dewatering unit 28 may be a desiccant, and the water remaining in the closed space is used to increase the number of pieces. The dewatering unit may also be directly formed on the second electrode and /. There is a buffer layer (not shown) with the second electrode and / or the fourth electrode. Wherein, the water-removal sheet contains barium oxide (BaO) or other buffer layers suitable for absorbing moisture and oxygen. The buffer layer may be a liquid hardened glue, such as a heat hardened glue. In addition, the double-sided display device 2 of this embodiment may further include a transparent A protective layer (not shown) is formed on the transparent substrate 21, the first light-emitting display area 22, and the second light-emitting display area 23. Here, the transparent protective layer is used to avoid the influence of the first light emitting display area 22 and the second light emitting display area 2 3 to water and oxygen. In this embodiment, the first light-emitting display area 22 and the second light-emitting display area 23 may share the same driving power. Here, the first light-emitting display area 2 2

1230294 V. Description of the invention (9) It can be used as the main display area, so that it can be used in combination with the second light-emitting display area 2 3 as the secondary display area to increase user convenience. Among them, the first light-emitting display area 22 and the second light-emitting display area 23 can respectively display a movie, an image, a text, and the like, as required. Please refer to FIG. 5. According to another preferred embodiment of the present invention, the double-sided display device 2 may further include at least one light-transmissive reflective layer 25, which is oppositely disposed on the first light-emitting display area 22 and / or the second Luminescent display area 23. In this embodiment, the light-transmitting reflective layer 25 is formed on the first light-emitting display area 22, and therefore, when the first light-emitting display area 2 2 is not energized to emit light, it can present a mirror surface. Here, the light-transmissive reflective layer 25 is formed on the first light-emitting display area 22 by evaporation, sputtering, or ion plating. In addition, the material of the light-transmissive reflective layer 25 is metal or dielectric. The electric material has a light transmittance of about 10% to 90%. It should be noted that when the material of the light-transmitting reflective layer 25 is a metal, an insulating layer 2 6 is further formed between the light-transmissive reflective layer 25 and the second electrode 2 2 3 of the light-emitting display area 22. ,As shown in Figure 6. The insulating layer 26 is a light-transmissive material, and is used to isolate the light-transmitting reflective layer 25 and the second electrode 2 2 3 to avoid a short circuit caused by contact between the two. In addition, the light-transmitting reflective layer 25 can also be disposed below the first light-emitting display area 22, above the second light-emitting display area 23, below the second light-emitting display area 23, on the transparent substrate 21, or under the transparent substrate 21. , As shown in Figures 7A to 7E. In addition, the double-sided display device according to the present invention may further include a plurality of light-transmitting reflective layers, which are respectively disposed in the first light-emitting display area and / or the second light-emitting display area, and the positions thereof are as described above. , For example,

Page 14 1230294 V. Description of the invention (10) '1 A light-transmissive reflective layer 25 can be formed above the first light-emitting display area 22 and above the second light-emitting display area 23 (as shown in FIG. 7F). ; In addition, the first

A light-transmitting reflective layer X may be respectively provided above and below the light display region 22 (as shown in FIG. 7G). It should be noted that, in order to avoid a short circuit between the light-transmissive reflective layer and the first light-emitting display area and / or the second light-emitting display area, the double-sided display device according to the present invention may further include a plurality of insulating layers (not shown in the figure). They are respectively located on one side of the light-transmitting reflective layer to avoid the light-transmitting reflective layer from directly contacting one of the first electrode, the second electrode, the third electrode, and the fourth electrode to J. It should be noted that the thickness of each electrode is determined according to the transmittance of the transmissive reflective layer (not shown in the figure), that is, when the transmittance of the translucent reflective layer is lower, The thickness of the electrodes facing each other must be thicker, so that the light generated by the organic functional layer can pass through the light-transmissive reflective layer more easily. Please also refer to FIG. 8. In another preferred embodiment of the present invention, the first light-emitting display area 22 may have a passive driving circuit 225, and the second light-emitting display area 23 may have an active driving circuit 2. 35. At this time, the pixels of the first light-emitting display region 22 are driven by a passive driving method, and the pixels of the second light-emitting display region 23 are driven by an active driving method. In this embodiment, the second light-emitting display area 23 is used as the main display area, and the first light-emitting display area 22 is used as the secondary display area. The other elements and implementation aspects of this embodiment are as described above. More details. In the following, a mobile phone is taken as an example for specific implementation. Please refer to FIG. ^ And FIG. 9B 'FIG. 2 and FIG. 9β are the double-sided display device 2 shown in FIG. As shown, when the user opens the shell phone

1230294

At the time, the first light-emitting display of mobile phone function 23 (time 2 2 different information, etc. On the other hand, in the first, the relevant light can still display the shadow of 2 2 and the second azimuth display area 22. 9B Area 2 2 is a light, and the first or part of the transmission or area 2 3 can still be seen, which is the same as the electric user. The user will display the light (the main display area 2 3 is also news, that is, to the second The hair system is converted into the first and second hairs shown in the first section, the local mobile phone is in the closed area (the area), the first luminous display is displayed in the forward-enabled page, and the display area) the luminous display to see the first information. When the area 2 2 is the same, the information is light-emitting display, 芏 display, etc .; the other secondary information number, as shown, when a fully transparent display area 2 2 two light-emitting display the same information, such as light display area. In the light display area, when the time is equal, the user ’s eyes in the main and first light-emitting display area 23 show that the user ’s eyes in this example “may include an image conversion module (not shown in the figure). The use of transparent light-emitting display area to control the orientation of the displayed image 'When the user closes the phone (as shown in Figure 9c), the image conversion module will display the first light-emitting display F 9 9 Straight / You-Ofan • Bebe & 22 converts the image information into the orientation of the user ’s eyes. The% image conversion module includes at least a detector and an image controller. In this embodiment, the detector detects the current use situation. At the same time, the detected signals are transmitted to the image controller, and the image controller controls the image display position of the first light-emitting display area 22. In addition, in this embodiment, if a double-sided display device is provided, A transparent reflective layer is small, when the first light-emitting display region 22 and the second light emitting display region 23, the user's eyes can see that the first display region 22 and light emitting

1230294 V. Description of the invention (12) What is displayed in the second light-emitting display area 23 is an image or the like. On the other hand, when the second light-emitting display area 23 does not emit light, the reflection image of the background of the end, that is, the light-emitting display area 23 is used as a mirror to sum up, because two display area sources are formed on the transparent substrate of the present invention, In order to reduce the manufacturing cost, because it has a two-way display function, and has the characteristics of process integration, it is suitable; the design of the transparent reflective layer has a mirror effect, which improves the activity of the double-sided display area and the second light-emitting display area. And at least the first light-emitting display light display area has a larger double-valued 0 day surface, such as text, numbers, and patterns. The first light-emitting display area 22 and / or what the user sees is using the first light-emitting display area. 22 and / or second use. One type of double-sided display device is single. It can share the same driving power. The double-sided display device of the present invention can be light, thin, short, and small. At the same time, it is very suitable for practical commercial applications. The two display areas can be all or divided: the function of the device; ⑥ -Emission = the knife uses active driving and passive driving products as a fully transparent hair surface that can emit light on both sides. Application areas and prices described above It is only exemplary, rather than limiting the spirit and scope of the present invention, and it may be included in the scope of the attached patent without departing from it. ^ ^? Or change, both

1230294 Brief description of the drawings (five), [simple description of the drawings] FIG. 1 is a schematic diagram of a conventional double-sided display device; FIG. 2 is a schematic diagram of a double-sided display device according to a preferred embodiment of the present invention. The first light-emitting display area is a top-side light-emitting display area, and the Li-line 0 is a drawing of a double-sided display device according to another preferred embodiment of the present invention, wherein the first light-emitting display area is a bottom-side light-emitting display area; The display port 4 is a double-sided display device according to another preferred embodiment of the present invention. The second light-emitting display area is a fully transparent light-emitting display area. A loop is a double-sided display according to another preferred embodiment of the present invention. Xiangan jealousy & not intended, but also includes -transparent reflection; Figure 1 of the device is not intended according to another preferred implementation of the present invention, which further includes an insulating layer; double-sided display device 7A to 7G are schematic diagrams of other preferred devices according to the present invention; the double-sided display of the conventional example is shown in FIG. 8 is a schematic diagram according to another preferred embodiment of the present invention; and, ", 9A to 9C of the display device are a pair of schematic diagrams shown in FIG. 2. The component symbol description of the broken concrete implementation: I Double-sided display device II The first display panel III The transparent substrate 112 The first electrode Page 18 1230294 Brief description of the diagram 113 The light-emitting area 114 The second electrode 115 The cover 12 The second display panel 121 Transparent substrate 122 Third electrode 123 Light-emitting area 124 Fourth electrode 125 Cover plate 2 Double-sided display device 21 Transparent substrate 22 First light-emitting display area 221 First electrode 222 First organic functional layer 223 Second electrode 2 24 Active driving circuit 2 2 5 passive driving circuit 23 second light-emitting display area 231 third electrode 232 second organic functional layer 2 3 3 fourth electrode 234 passive driving circuit 23 5 active driving circuit 25 light-transmitting reflective layer

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Page 20

Claims (1)

1230294 VI. Scope of patent application 1. A double-sided display device including: a transparent substrate; a first light-emitting display area, which is disposed on the transparent substrate and is a fully transparent light-emitting display area, including a plurality of daylight elements and at least An active driving circuit, the day light element of the first light-emitting display area sequentially includes a first electrode, at least a first organic functional layer, and a second electrode; the active drive circuit drives the day light element of the first light-emitting display area; and The second light-emitting display area is provided on the transparent substrate and includes a plurality of pixels and at least one passive driving circuit. The day-light elements of the second light-emitting display area sequentially include a third electrode and at least one second organic function. Layer and a fourth electrode, the passive driving circuit drives the pixels of the second light-emitting display area. 2. The double-sided display device according to item 1 of the patent application scope, wherein the active driving circuit includes at least one capacitor and at least two thin-film transistors. 3. The double-sided display device as described in item 1 of the scope of patent application, wherein the passive driving circuit drives the pixels of the second light-emitting display area in a row and column scanning manner. 4. The double-sided display device according to item 1 of the scope of patent application, wherein the first light-emitting display area is used as the main display area of the double-sided display device, and the second light-emitting display area is used as the secondary display area of the double-sided display device. 5. The double-sided display device according to item 1 of the scope of patent application, wherein the double-sided display device is transparent Page 21 1230294 6. Scope of patent application The substrate is at least one selected from rigid substrate, flexible substrate, glass substrate and plastic substrate. 6. The double-sided display device according to item 1 of the scope of patent application, further comprising: at least one light-transmissive reflective layer, which is disposed in the first light-emitting display area and / or the second light-emitting display area. 7. The double-sided display device according to item 6 of the scope of patent application, further comprising: at least one insulating layer, which is correspondingly disposed on one side of the light-transmitting reflective layer to prevent the light-transmitting reflective layer from contacting the first electrode, At least one of the second electrode, the third electrode, and the fourth electrode. 8. The double-sided display device according to item 6 of the scope of patent application, wherein the material of the translucent reflective layer is a metal or a dielectric material. 9. The double-sided display device according to item 6 of the scope of patent application, wherein the light transmittance of the translucent reflective layer is about 10% to 90%. 10. The double-sided display device according to item 1 of the scope of patent application, wherein the material of the first electrode and the second electrode is a conductive metal oxide. 〃 11. The double-sided display device as described in Item 10 of the scope of patent application, wherein the material of the conductive metal oxide is selected from at least indium tin oxide, aluminum zinc oxide, indium zinc oxide, and futin oxide. one of them. 1230294 VI. Application patent scope 12 Shishen patent scope Item ^ organic functional layer and second '& double-sided double-sided display device, in which-the second light-emitting layer, electric = = hole injection layer, hole transmission Its, and a. At least one of the electron injection layers or 13. If the patent application scope is "double-sided display device with the top light emitting display area as the top surface light emitting display area, the 21st patent application scope is No. 13 in the patent scope, The material of the ten and j electrodes is a double-sided display device selected from aluminum, calcium, and magnesium. Among them, at least one of the first magnesium-containing alloys is magnesium, indium, tin, manganese, silver, gold, and metal oxides. The material of the fourth electrode is a conductive double-sided display device as described in item 14 :::: Gold and magnesium, which contains eight gold ^ one is not limited to magnesium silver (Mg: Ag) alloy, Magnesium indium (Mg: In), gold] magnesium tin (Mg: Sn) alloy, magnesium antimony (Mg: Sb) alloy, and magnesium tellurium (Mg: Te: 16 electric indium 17), as described in item 14 of the scope of patent application The double-sided display device, wherein the material of the conductive metal oxide is at least one selected from the group consisting of indium tin gaseum, aluminum ^ zinc oxide, and cadmium tin oxide. Oxygen, as described in item 1 of the scope of patent application Double-sided display device Article 23 K 1230294 6. Scope of patent application The light-emitting display area is the bottom-surface light-emitting display area. 18. The double-sided display device according to item 7 of the scope of the patent application, wherein the material of the third electrode is a conductive metal oxide, and the material of the fourth electrode is selected from the group consisting of aluminum, calcium, magnesium, indium, and tin. , Manganese, silver, gold, and magnesium-containing alloys. 19. The double-sided display device according to item 8 in the scope of the patent application, wherein the material of the conductive metal oxide is at least one selected from indium tin oxide, aluminum zinc oxide, indium zinc oxide, and tin oxide. one of them. 20. The double-sided display device according to item 8 of the scope of the patent application, wherein the alloy containing rhenium includes, but is not limited to, a magnesium silver (Mg: Ag) alloy, a magnesium indium (Mg: In) alloy, and a magnesium tin ( Mg: Sn) alloy, magnesium antimony (Mg: Sb) alloy and magnesium tellurium (Mg: Te) alloy. 2 1. The double-sided display device according to item 1 of the scope of patent application, wherein the second light-emitting display area is a fully transparent light-emitting display area. 2 2. The double-sided display device according to item 21 of the scope of patent application, wherein the materials of the third electrode and the fourth electrode are conductive metal oxides. 8 2 3. The double-sided display device described in item 22 of the scope of the patent application, wherein the material of the electric metal oxide is selected from indium tin oxide, aluminum in y, rhenium emulsion, 1230294 Scope of patent application At least one of indium zinc oxide and cadmium tin oxide. 24. The double-sided display device according to item 1 of the scope of patent application, further comprising: a cover plate, which is disposed on the transparent substrate. 25. The double-sided display as described in item 24 of the scope of patent application, including: a water removal unit, which is arranged in a dense space formed by the cover plate and the transparent substrate. * $ 26. The double-sided display device described in item i of the patent application scope further includes a transparent protective layer, which is covered on the transparent substrate, the first light-emitting display area ^ and the second light-emitting display area. ° 〇 = 2 The double-sided display device as described in item 1 of the scope of patent application, further including a shirt image conversion module, for the use case of the fully transparent light-emitting display area 2 〇 Green damage as described in item 27 of the scope of patent application The double-sided display device, wherein the exchange module includes at least a detector and an image controller. And P double-sided display devices, including: a transparent substrate; '' -the light-emitting display area, which is arranged on the transparent substrate and is fully transparent 1230294 VI. Patent application. The light-emitting display area includes a plurality of pixels and at least one passive driving circuit. The pixels of the first light-emitting display area sequentially include a first electrode, at least a first organic functional layer, and a second electrode. 'The passive driving circuit drives the daylight in the first light-emitting display area; and a second light-emitting display area is provided on the transparent substrate and includes a plurality of pixels and at least one active driving circuit.' The pixel sequentially includes a third electrode, at least / a second organic functional layer, and a fourth electrode. The active driving circuit drives pixels in the second light-emitting display area. 30. The double-sided display device according to item 29 of the scope of patent application, wherein the active driving circuit includes at least one capacitor and at least two thin-film transistors. 3 1. The double-sided display device as described in item 29 of the scope of patent application, wherein the passive driving circuit drives the day light element of the first light-emitting display area in a row and column scanning manner 0 3 2. As the scope of patent application scope 2 9 In the double-sided display device described in the item, the first light-emitting display area is used as a secondary display area of the double-sided display device, and the second light-emitting display area is used as a main display area of the double-sided display device. 3 3. The double-sided display device according to item 29 of the patent application scope, wherein the transparent substrate is at least one selected from a rigid substrate, a flexible substrate, a glass substrate, and a plastic substrate. /earth Page 26 1230294 VI. Patent application scope 3 4. The double-sided display device described in item 29 of the patent application scope further includes: at least one light-transmissive reflective layer, which is disposed in the first light-emitting display area and / Into a second light-emitting display area. 35. The double-sided display device described in item 34 of the patent application scope further includes: at least one insulating layer, which is disposed on one side of the light-transmitting reflective layer to avoid the light-transmitting reflective layer At least one of the first electrode, the second electrode, the third electrode, and the fourth electrode is contacted. 36. The double-sided display device according to item 34 of the scope of patent application, wherein the material of the light reflective layer is a metal or a dielectric material. 37. The double-sided display device according to item 34 of the scope of patent application, wherein the light transmittance of the light-transmitting reflective layer is about 10% to 90%. 38. The double-sided display device according to item 29 of the scope of the patent application, wherein the material of the first electrode and the second electrode is a conductive metal oxide. 39. The double-sided display device according to item 38 of the scope of patent application, wherein the material of the conductive metal oxide is selected from at least indium tin oxide, aluminum zinc oxide, indium zinc oxide, and cadmium tin oxide. one of them. 1230294 ----------------- 一 ----..____ a'Applicable patent scope 40, double-sided display device as described in item 29 of the patent scope, The first organic functional layer and the second organic functional layer are at least one of a hole-injecting layer, a hole-transporting layer, a light-emitting layer, an electron-transporting layer, and an electron-injecting layer, or a combination thereof. 4 1. The double-sided display device according to item 29 of the scope of patent application, wherein the second light-emitting display area is a top-surface light-emitting display area. 42. The double-sided display device according to item 41 of the scope of patent application, wherein the material of the second electrode is at least one selected from the group consisting of aluminum, calcium, magnesium, indium, tin, manganese, silver, gold, and magnesium-containing alloys. First, the material of the fourth electrode is a conductive metal oxide. 4 3. The double-sided display device according to item 42 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 (In) alloy, and a magnesium tin (Mg: Sn) ) Alloy, magnesium alloy and magnesium tellurium (Mg: Te) alloy. 44. The double-sided display device according to item 42 of the scope of patent application, wherein the material of the conductive metal oxide is at least one selected from the group consisting of indium tin oxide, aluminum zinc oxide, indium zinc oxide, and tin tin oxide. One. 4 5. The double-sided display device according to item 29 of the scope of patent application, wherein the second light-emitting display area is a bottom-side light-emitting display area. 1230294 VI. Patent application scope 4 6. The double-sided display device described in item 45 of the patent application scope, wherein the material of the third electrode is a conductive metal oxide, and the material of the fourth electrode is selected from aluminum and calcium , Magnesium, indium, tin, manganese, silver, gold, and magnesium-containing alloys. 47. The double-sided display device according to item 46 of the scope of patent application, wherein the material of the conductive metal oxide is selected from at least indium tin oxide, aluminum zinc oxide, indium zinc oxide, and cadmium tin oxide. one of them. 48. The double-sided display device according to item 46 of the scope of the patent application, wherein the alloy containing the town includes, but is not limited to, a magnesium silver (Mg: Ag) alloy, a magnesium indium (Mg: in3) alloy, and a magnesium tin (Mg: Sn) alloy, magnesium alloy (Mg: Sb) alloy and magnesium alloy (τ alloy.) · 49. The double-sided display device described in item 29 of the patent application scope, wherein one light display area is a fully transparent light emitting display No. 50. The double-sided display is as described in item 4 and 9 of the scope of the patent application, and the device is not installed. The materials of the three electrodes and the fourth electrode are conductive metal oxygen, τ show 51, For example, the indium-zinc oxide and the double-sided material described in item 50 of the patented metal oxide are selected from at least one of the indium-tin oxide ~ display device, in which the guide, aluminum zinc Compounds, Page 29 1230294 6. Scope of patent application 5 2. The double-sided display device described in item 29 of the scope of patent application, further includes: a cover plate, which is arranged on a transparent substrate. 53. The double-sided display device according to item 52 of the scope of patent application, further comprising: a water removal unit, which is arranged in a closed space formed by a cover plate and a transparent substrate. 5 4. The double-sided display device described in item 29 of the scope of patent application, further includes a transparent protective layer, which is overlaid on the transparent substrate, the first light-emitting display area, and the second light-emitting display area. 5 5. The double-sided display device described in item 29 of the scope of patent application, further comprising: an image conversion module that controls the orientation of the displayed image according to the use of the fully transparent light-emitting display area. 56. The double-sided display device according to item 55 of the scope of patent application, wherein the image conversion module includes at least a detector and an image controller. Page 30