TWI643524B - Asymmetric structure electroluminescent element with photothermal separation technology - Google Patents

Asymmetric structure electroluminescent element with photothermal separation technology Download PDF

Info

Publication number
TWI643524B
TWI643524B TW106134247A TW106134247A TWI643524B TW I643524 B TWI643524 B TW I643524B TW 106134247 A TW106134247 A TW 106134247A TW 106134247 A TW106134247 A TW 106134247A TW I643524 B TWI643524 B TW I643524B
Authority
TW
Taiwan
Prior art keywords
layer
air
electroluminescent
conductive substrate
heat
Prior art date
Application number
TW106134247A
Other languages
Chinese (zh)
Other versions
TW201916738A (en
Inventor
王欽戊
王育涵
王子洋
王承遠
孫裕凱
Original Assignee
王欽戊
王育涵
王子洋
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by 王欽戊, 王育涵, 王子洋 filed Critical 王欽戊
Priority to TW106134247A priority Critical patent/TWI643524B/en
Application granted granted Critical
Publication of TWI643524B publication Critical patent/TWI643524B/en
Publication of TW201916738A publication Critical patent/TW201916738A/en

Links

Landscapes

  • Electroluminescent Light Sources (AREA)

Abstract

一種具光熱分離技術的不對稱結構電激發光元件,係一電激發光層具有一第一側,以及一第二側相對該第一側;一介電層配置在該電激發光層的該第一側;一空氣膠層配置在該電激發光層的該第二側;一第一透明導電基板結合該介電層且連接一電源;一第二透明導電基板結合該空氣膠層且連接該電源。如此該電激發光層所產生的光與熱到達該空氣膠層後,光可由該空氣膠層透出,熱則被該空氣膠層阻隔,進而使熱由該介電層及該第一透明導電基板傳導輸出,搭配一熱電轉換模組結合該第一透明導電基板,可進行熱電轉換以提供再生電力。 An asymmetric structure electroluminescent device having a photothermal separation technique, wherein an electroluminescent layer has a first side and a second side is opposite to the first side; a dielectric layer is disposed on the electroluminescent layer a first side; an air glue layer is disposed on the second side of the electroluminescent layer; a first transparent conductive substrate is coupled to the dielectric layer and connected to a power source; and a second transparent conductive substrate is coupled to the air glue layer and connected The power supply. After the light and heat generated by the electroluminescent layer reach the air gel layer, the light can be diffused by the air glue layer, and the heat is blocked by the air glue layer, thereby causing heat from the dielectric layer and the first transparent layer. The conductive substrate conducts the output, and a thermoelectric conversion module is combined with the first transparent conductive substrate to perform thermoelectric conversion to provide regenerative power.

Description

具光熱分離技術的不對稱結構電激發光元件 Asymmetric structure electroluminescent element with photothermal separation technology

本發明係關於一種電激發光元件的技術領域,特別是指具光熱分離技術的不對稱結構電激發光元件。 The present invention relates to the technical field of an electroluminescent device, and more particularly to an asymmetric structure electroluminescent device having a photothermal separation technique.

電激發光現象在1936年首度被發現,但是直到1951年透明電極的發現,才間接促進電激發光元件作為平面光源之設計。目前電激發光元件已應用在照明裝置及顯示器上。 The phenomenon of electroluminescence was first discovered in 1936, but it was not until 1951 that the discovery of transparent electrodes indirectly promoted the design of electroluminescent elements as planar light sources. Currently, electroluminescent elements have been used in lighting devices and displays.

台灣專利I388239號揭示一種電激發光元件及其製作方法,其中該電激發光元件係在一螢光層的相對二側分別配置一介電層,且在各介電層的一側分別配置一電極。由於該螢光層二側的材料層及堆疊順序相同,故該專利前案形成一種對稱結構的電激發光元件。該專利前案雖可以提供電激發光效果,但對於該電激發光元件所產生的廢熱並無妥善的處理及應用。 Taiwan Patent No. I388239 discloses an electroluminescent device and a method for fabricating the same, wherein the electroluminescent device is provided with a dielectric layer on opposite sides of a phosphor layer, and one side is disposed on each side of each dielectric layer. electrode. Since the material layers and the stacking order on the two sides of the phosphor layer are the same, the prior patent form a symmetrical structure of the electroluminescent element. Although the patent application can provide an electroluminescence effect, the waste heat generated by the electroluminescence element is not properly processed and applied.

台灣專利I596982號揭示一種透明無機式薄膜電激發光顯示元件及用以製造該顯示元件的方法,其中該薄膜結構係一發光層的相對二側分別配置一絕緣體層(介電層),且各絕緣體層的一側配置一導電層。是以該專利前案所揭示的薄膜電激發光顯示元件的結構為對稱結構,且該專利前案没有教示對於該電激發光元件所產生的廢熱作妥善處理及應用。 Taiwan Patent No. I596982 discloses a transparent inorganic thin film electroluminescent display element and a method for manufacturing the same, wherein the film structure is an insulator layer (dielectric layer) disposed on opposite sides of a light-emitting layer, and each A conductive layer is disposed on one side of the insulator layer. The structure of the thin film electroluminescent display element disclosed in the prior patent is a symmetrical structure, and the prior patent does not teach the proper treatment and application of the waste heat generated by the electroluminescent element.

本發明提供一種具光熱分離技術的不對稱結構電激發光元件,能夠在不影響發光或顯示效能的情形下,解決電激發光元件過熱的問題。 The invention provides an asymmetric structure electroluminescent device with photothermal separation technology, which can solve the problem of overheating of the electroluminescent device without affecting the illumination or display performance.

本發明的目的在於提供一種具光熱分離技術的不對稱結構電激發光元件,其具有能夠將電激發光元件所產生的光與熱分離,並且進行熱電轉換,使廢熱能進一步轉換成再生電力。 It is an object of the present invention to provide an asymmetric structure electroluminescent device having a photothermal separation technique, which is capable of separating light generated by an electroluminescent device from heat and performing thermoelectric conversion to further convert waste heat energy into regenerative electric power.

為達上述的目的與功效,本發明所揭示的電激發光元件包含一電激發光層具有一第一側,以及一第二側相對該第一側;一介電層配置在該電激發光層的該第一側;一空氣膠層配置在該電激發光層的該第二側;一第一透明導電基板結合該介電層且連接一電源;一第二透明導電基板結合該空氣膠層且連接該電源。 In order to achieve the above object and effect, the electroluminescent device of the present invention comprises an electroluminescent layer having a first side and a second side opposite the first side; a dielectric layer disposed on the electroluminescent light The first side of the layer; an air glue layer disposed on the second side of the electroluminescent layer; a first transparent conductive substrate coupled to the dielectric layer and connected to a power source; and a second transparent conductive substrate coupled to the air gel Layer and connect the power supply.

由於該電激發光層的相對二側分別為該介電層及該空氣膠層,故形成不對稱結構,且該電激發光層所產生的光與熱到達該空氣膠層後,光可由該空氣膠層透出,熱則被該空氣膠層阻隔,進而使熱由該介電層傳導輸出。 Since the opposite sides of the electroluminescent layer are the dielectric layer and the air glue layer respectively, an asymmetric structure is formed, and after the light and heat generated by the electroluminescent layer reach the air glue layer, the light can be The air glue layer is oozing out, and the heat is blocked by the air glue layer, so that heat is conducted and conducted by the dielectric layer.

一熱電轉換模組結合該第一透明導電基板,所以由該介電層傳導輸出的熱能經該第一透明導電基板傳導到該熱電轉換模組後,可以進行熱電轉換,達到應用該電激發光元件所產生之廢熱的效果。 a thermoelectric conversion module is coupled to the first transparent conductive substrate, so that thermal energy conducted by the dielectric layer is conducted to the thermoelectric conversion module via the first transparent conductive substrate, and then thermoelectric conversion can be performed to apply the electrical excitation light. The effect of waste heat generated by components.

10‧‧‧電激發光層 10‧‧‧Electrical excitation layer

12‧‧‧第一側 12‧‧‧ first side

14‧‧‧第二側 14‧‧‧ second side

20‧‧‧介電層 20‧‧‧Dielectric layer

30‧‧‧空氣膠層 30‧‧‧Air glue layer

40‧‧‧第一透明導電基板 40‧‧‧First transparent conductive substrate

50‧‧‧第二透明導電基板 50‧‧‧Second transparent conductive substrate

60‧‧‧電源 60‧‧‧Power supply

70‧‧‧熱電轉換模組 70‧‧‧Thermal conversion module

72‧‧‧熱電晶片 72‧‧‧Thermal chip

74‧‧‧吸熱片 74‧‧‧heat absorbing film

76‧‧‧散熱片 76‧‧‧ Heat sink

第1圖係本發明的結構示意圖。 Fig. 1 is a schematic view showing the structure of the present invention.

第2圖係本發明配置電源及發光與發熱狀態的結構示意圖。 Figure 2 is a schematic view showing the structure of the power supply and the illuminating and heating states of the present invention.

第3圖係本發明配置熱電轉換模組的結構示意圖。 FIG. 3 is a schematic structural view of a thermoelectric conversion module according to the present invention.

第4圖係本發明的熱電晶片冷熱端溫度與時間關係圖。 Figure 4 is a graph showing the relationship between the temperature and time of the hot and cold end of the thermoelectric chip of the present invention.

第5圖係本發明的熱電晶片之輸出電壓及電流與時間關係圖。 Figure 5 is a graph showing the output voltage and current versus time of a thermoelectric chip of the present invention.

第6圖係本發明的照度與時間關係圖。 Figure 6 is a graph showing the relationship between illumination and time of the present invention.

請參閱第1圖,圖中揭示一種電激發光元件,其包含一電激發光層10、一介電層20、一空氣膠層30、一第一透明導電基板40及一第二透明導電基板50的組合。 Referring to FIG. 1 , an electroluminescent device includes an electroluminescent layer 10 , a dielectric layer 20 , an air bonding layer 30 , a first transparent conductive substrate 40 , and a second transparent conductive substrate . A combination of 50.

進一步,該電激發光層10具有一第一側12及一第二側14,該第一側12與該第二側14係位在相對的二側。該介電層20配置在該電激發光層10的該第一側12。該空氣膠層30配置在該電激發光層10的該第二側14。該第一透明導電基板40結合該介電層20,該第二透明導電基板50結合該空氣膠層30。 Further, the electroluminescent layer 10 has a first side 12 and a second side 14, and the first side 12 and the second side 14 are tied on opposite sides. The dielectric layer 20 is disposed on the first side 12 of the electroluminescent layer 10. The air glue layer 30 is disposed on the second side 14 of the electroluminescent layer 10. The first transparent conductive substrate 40 is bonded to the dielectric layer 20 , and the second transparent conductive substrate 50 is bonded to the air adhesive layer 30 .

上述的該電激發光層10係包含及混合預定比例的螢光粉、松油醇、乙基纖維素及聚乙二醇。該介電層20係包含及混合預定比例的鈦酸鋇(BaTiO3)粉末及樹脂。該空氣膠層30係包含及混合預定比例的空氣膠粉末、松油醇、乙基纖維素及聚乙二醇。該第一透明導電基板40及該第二透明導電基板50為氧化銦錫(ITO)基板,其具有導電性。 The electroluminescent layer 10 described above comprises and mixes a predetermined proportion of phosphor powder, terpineol, ethyl cellulose and polyethylene glycol. The dielectric layer 20 contains and mixes a predetermined ratio of barium titanate (BaTiO 3 ) powder and a resin. The air gel layer 30 contains and mixes a predetermined ratio of air gel powder, terpineol, ethyl cellulose, and polyethylene glycol. The first transparent conductive substrate 40 and the second transparent conductive substrate 50 are indium tin oxide (ITO) substrates, which have electrical conductivity.

本實施例的製作係將各材料依不同層的順序分別塗佈在該第一透明導電基板40及該第二透明導電基板50間,並透過加熱平台進行烤乾成型。由於該電激發光層10的相對二側分別為不同材料及性質的該介電層20及該空氣膠層30,故據此定義本實施例的結構為一種不對稱結構。 In the fabrication of the present embodiment, each material is applied between the first transparent conductive substrate 40 and the second transparent conductive substrate 50 in the order of different layers, and is baked and dried by a heating platform. Since the opposite sides of the electroluminescent layer 10 are respectively different materials and properties of the dielectric layer 20 and the air bonding layer 30, the structure of the embodiment is defined as an asymmetric structure.

請參閱第2圖,本實施例可取一電源60連接該第一透明導電基板40及該第二透明導電基板50。當啟動該電源60後,則該電激發光層10中的發光中心在受到高電場的電子入射激發下,其低軌域基態的電子會先跳躍到高軌域的激發態;之後再由高軌域的激發態跳回到低軌域基態,其過程所釋放的能量便以光及熱的形式展現出來。 Referring to FIG. 2 , in this embodiment, a power source 60 is connected to the first transparent conductive substrate 40 and the second transparent conductive substrate 50 . When the power source 60 is activated, the illuminating center in the electroluminescent layer 10 is excited by the electron incident of the high electric field, and the electrons in the ground state of the low-orbit domain first jump to the excited state of the high-orbital domain; The excited state of the orbital domain jumps back to the ground state of the low-orbit domain, and the energy released by the process is expressed in the form of light and heat.

該電激發光層10所產生的光與熱到達該空氣膠層30後,光可由該空氣膠層30透出,熱則被該空氣膠層30阻隔,進而使熱轉向由該介電層20傳導輸出。是以本實施例可以形成一種具有光熱分離作用的電激發光元件。 After the light and heat generated by the electro-optic layer 10 reaches the air-adhesive layer 30, the light can be diffused from the air-adhesive layer 30, and the heat is blocked by the air-adhesive layer 30, thereby turning the heat to the dielectric layer 20. Conducted output. In this embodiment, an electroluminescent element having photothermal separation can be formed.

請參閱第3圖,本實施例的進一步使用狀態可以在該第一透明導電基板40的一側配置一熱電轉換模組70。該電激發光層10發光與發熱後,該熱電轉換模組70接受自該介電層20所傳導輸出的熱以進行熱電轉換。 Referring to FIG. 3, in a further use state of the embodiment, a thermoelectric conversion module 70 can be disposed on one side of the first transparent conductive substrate 40. After the electroluminescent layer 10 emits light and generates heat, the thermoelectric conversion module 70 receives heat outputted from the dielectric layer 20 for thermoelectric conversion.

進一步,該熱電轉換模組70包含一熱電晶片72的相對二側分別配置一吸熱片74及一散熱片76。其中該吸熱片74可以是石墨片,該散熱片76可以是石墨片而其接觸空氣面之一側噴塗有氮化硼塗料,且該吸熱片74用以結合該第一透明導電基板40。 Further, the thermoelectric conversion module 70 includes a heat absorbing sheet 74 and a heat sink 76 disposed on opposite sides of a thermoelectric wafer 72. The heat sink sheet 74 may be a graphite sheet, and the heat sink sheet 76 may be a graphite sheet, and one side of the contact air surface is sprayed with a boron nitride paint, and the heat sink sheet 74 is used to bond the first transparent conductive substrate 40.

請參閱第4圖,本實施例配置該熱電轉轉換模組70後,在120伏特的交流電壓作用下,顯示該熱電晶片的熱端溫度(吸熱片)與冷端溫度(散熱片)的溫差最高可達到45℃以上。請參閱第5圖,在120伏特的交流電壓作用下,量測本實施例的最高輸出電壓及最高輸出電流可分別為1.4伏特以上及約170毫安培。再請參閱第6圖,利用本實施例的電激發光元件的亮度最高可達到約1.9流明/米平方照度。因此本實施例的實施,可以保留足量的 亮度,而且可以提供適當熱電轉換效果。 Referring to FIG. 4, after the thermoelectric conversion module 70 is configured in this embodiment, the temperature difference between the hot end temperature (the heat absorbing sheet) and the cold end temperature (the heat sink) of the thermoelectric chip is displayed under the action of an alternating voltage of 120 volts. Up to 45 ° C or more. Referring to FIG. 5, the maximum output voltage and the highest output current of the present embodiment can be measured above 120 volts and the maximum output current can be 1.4 volts or more and about 170 milliamperes, respectively. Referring again to Fig. 6, the luminance of the electroluminescent device of the present embodiment can be up to about 1.9 lumens per square meter. Therefore, the implementation of this embodiment can retain a sufficient amount of Brightness and the ability to provide proper thermoelectric conversion.

是以,本實施例將光熱分離技術結合於電激發光元件以形成不對稱結構,再搭配適當的熱電轉換手段,可解決傳統電激發光元件過熱的問題,同時產生可供利用的熱電轉換再生電力。 Therefore, in this embodiment, the photothermal separation technology is combined with the electroluminescence element to form an asymmetric structure, and the appropriate thermoelectric conversion means can solve the problem of overheating of the conventional electroluminescence element, and at the same time, the available thermoelectric conversion regeneration can be utilized. electric power.

上述實施例僅為例示性說明本發明之技術及其功效,而非用於限制本發明。任何熟於此項技術人士均可在不違背本發明之技術原理及精神的情況下,對上述實施例進行修改及變化,因此本發明之權利保護範圍應如後所述之申請專利範圍所列。 The above embodiments are merely illustrative of the technology of the present invention and its effects, and are not intended to limit the present invention. Any person skilled in the art can modify and change the above embodiments without departing from the technical spirit and spirit of the present invention. Therefore, the scope of protection of the present invention should be as listed in the patent application scope mentioned later. .

Claims (4)

一種具光熱分離技術的不對稱結構電激發光元件,係用以連接一電源且產生發光現象,其包含:一電激發光層,係具有一第一側,以及一第二側相對該第一側;一介電層,係配置在該電激發光層的該第一側;一空氣膠層,係配置在該電激發光層的該第二側;一第一透明導電基板,係結合該介電層且連接該電源;一第二透明導電基板,係結合該空氣膠層且連接該電源;一熱電轉換模組,該熱電轉換模組結合該第一透明導電基板並接受自該介電層所傳導輸出的熱以進行熱電轉換;其中該熱電轉換模組係包含熱電晶片的相對二側分別配置一吸熱片及一散熱片,該吸熱片以結合該第一透明導電基板;其中該電激發光層的相對二側分別為該介電層及該空氣膠層形成不對稱結構,該電激發光層所產生的光與熱到達該空氣膠層後,光可由該空氣膠層透出,熱則被該空氣膠層阻隔,進而使熱由該介電層傳導輸出。 An asymmetric structure electroluminescent device with photothermal separation technology is used for connecting a power source and generating a luminescence phenomenon, comprising: an electroluminescent layer having a first side and a second side opposite to the first a dielectric layer disposed on the first side of the electroluminescent layer; an air gel layer disposed on the second side of the electroluminescent layer; a first transparent conductive substrate coupled to the a dielectric layer is connected to the power source; a second transparent conductive substrate is coupled to the air glue layer and connected to the power source; a thermoelectric conversion module, the thermoelectric conversion module is combined with the first transparent conductive substrate and receives the dielectric The layer conducts the heat of the output for thermoelectric conversion; wherein the thermoelectric conversion module comprises a heat absorbing sheet and a heat sink disposed on opposite sides of the thermoelectric wafer, the heat absorbing sheet is combined with the first transparent conductive substrate; wherein the electricity is The opposite sides of the excitation layer respectively form an asymmetric structure between the dielectric layer and the air glue layer. After the light and heat generated by the electro-expansion layer reach the air glue layer, the light can be transparently formed by the air glue layer. Heat is Air barrier adhesive layer, thereby enabling the heat generated by the dielectric layer of conductive output. 如申請專利範圍第1項所述之具光熱分離技術的不對稱結構電激發光元件,其中該吸熱片為石墨片,該散熱片為石墨片而其接觸空氣面之一側噴塗有氮化硼塗料。 The asymmetric structure electroluminescent device with photothermal separation technology according to claim 1, wherein the heat absorption sheet is a graphite sheet, and the heat sink is a graphite sheet, and one side of the contact air surface is sprayed with boron nitride. coating. 如申請專利範圍第1項所述之具光熱分離技術的不對稱結構電激發光元件,其中該電激發光層係螢光粉、松油醇、乙基纖維素及聚乙二醇的混合。 An asymmetric structure electroluminescent device having photothermal separation technology according to claim 1, wherein the electroluminescent layer is a mixture of phosphor powder, terpineol, ethyl cellulose and polyethylene glycol. 如申請專利範圍第1項所述之具光熱分離技術的不對稱結構電激發光元 件,其中該空氣膠層係空氣膠粉末、松油醇、乙基纖維素及聚乙二醇的混合。 An asymmetric structure electroluminescent element with photothermal separation technology as described in claim 1 And the air gel layer is a mixture of air gel powder, terpineol, ethyl cellulose and polyethylene glycol.
TW106134247A 2017-10-03 2017-10-03 Asymmetric structure electroluminescent element with photothermal separation technology TWI643524B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
TW106134247A TWI643524B (en) 2017-10-03 2017-10-03 Asymmetric structure electroluminescent element with photothermal separation technology

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW106134247A TWI643524B (en) 2017-10-03 2017-10-03 Asymmetric structure electroluminescent element with photothermal separation technology

Publications (2)

Publication Number Publication Date
TWI643524B true TWI643524B (en) 2018-12-01
TW201916738A TW201916738A (en) 2019-04-16

Family

ID=65431987

Family Applications (1)

Application Number Title Priority Date Filing Date
TW106134247A TWI643524B (en) 2017-10-03 2017-10-03 Asymmetric structure electroluminescent element with photothermal separation technology

Country Status (1)

Country Link
TW (1) TWI643524B (en)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6762553B1 (en) * 1999-11-10 2004-07-13 Matsushita Electric Works, Ltd. Substrate for light emitting device, light emitting device and process for production of light emitting device
EP1691585A1 (en) * 2003-10-27 2006-08-16 Matsushita Electric Industrial Co., Ltd. Light-emitting device
JP2009117576A (en) * 2007-11-06 2009-05-28 Rohm Co Ltd Organic light-emitting device and its manufacturing method
TW201119486A (en) * 2009-09-04 2011-06-01 Koninkl Philips Electronics Nv OLED device with low index material
TWI589045B (en) * 2016-10-21 2017-06-21 Ching Wu Wang A light-emitting device combining an electroluminescent device and a heat-responsive device

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6762553B1 (en) * 1999-11-10 2004-07-13 Matsushita Electric Works, Ltd. Substrate for light emitting device, light emitting device and process for production of light emitting device
EP1691585A1 (en) * 2003-10-27 2006-08-16 Matsushita Electric Industrial Co., Ltd. Light-emitting device
JP2009117576A (en) * 2007-11-06 2009-05-28 Rohm Co Ltd Organic light-emitting device and its manufacturing method
TW201119486A (en) * 2009-09-04 2011-06-01 Koninkl Philips Electronics Nv OLED device with low index material
TWI589045B (en) * 2016-10-21 2017-06-21 Ching Wu Wang A light-emitting device combining an electroluminescent device and a heat-responsive device

Also Published As

Publication number Publication date
TW201916738A (en) 2019-04-16

Similar Documents

Publication Publication Date Title
TWI827386B (en) Light-emitting device
US8563112B2 (en) Organic EL light-emitting device and method for manufacturing the organic EL light-emitting device
TWI475730B (en) Phosphor layer containing transparent particles over blue led
WO2016169153A1 (en) Display panel and packaging method therefor, and display apparatus
TW201421767A (en) Organic electroluminescent element and method of manufacturing the same
WO2016101399A1 (en) Double-sided oled display apparatus and manufacturing method therefor
WO2019205385A1 (en) Flexible oled display panel
KR20150060963A (en) Optoelectronic component and method for producing an optoelectronic component
WO2009139291A1 (en) Organic el panel manufacturing method and manufacturing device
Fadavieslam The effect of thickness of light emitting layer on physical properties of OLED devices
JP2018074024A (en) Translucent inorganic led light source sheet, method for manufacturing the same, and planar composite light emitter
CN102969434B (en) LED component
JP2016510170A5 (en)
TWI523279B (en) Light emitting diode device with full azimuth and its packaging method
TWI643524B (en) Asymmetric structure electroluminescent element with photothermal separation technology
KR20100099619A (en) Method for manufacturing organic light emitting display
US20160219673A1 (en) Optoelectronic component device and method for operating an optoelectronic component
WO2017016461A1 (en) Encapsulation material, organic light-emitting diode device and encapsulation method therefor
JP2007250435A (en) Light-emitting element
TWI589045B (en) A light-emitting device combining an electroluminescent device and a heat-responsive device
KR200233483Y1 (en) an EL device for emitting light to both-side
CN205944132U (en) LED filament base plate and LED filament light source
Kim et al. Fully vacuum-free fabrication of bi-directional polymer light-emitting diodes based on a hybrid lamination top electrode
Kim et al. Optimal structure of color-conversion layer for white organic light-emitting diode on silver-nanowire anode
CN207455280U (en) A kind of LED photovoltaic glass of SGP doublings

Legal Events

Date Code Title Description
MM4A Annulment or lapse of patent due to non-payment of fees