TWI565117B - Organic light emitting diode module with optical signal transmission - Google Patents

Organic light emitting diode module with optical signal transmission Download PDF

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Publication number
TWI565117B
TWI565117B TW104118715A TW104118715A TWI565117B TW I565117 B TWI565117 B TW I565117B TW 104118715 A TW104118715 A TW 104118715A TW 104118715 A TW104118715 A TW 104118715A TW I565117 B TWI565117 B TW I565117B
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TW
Taiwan
Prior art keywords
optical signal
light emitting
emitting diode
organic light
signal transmission
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Application number
TW104118715A
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Chinese (zh)
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TW201644084A (en
Inventor
Chien-Le Li
Yung-Cheng Tsai
Chien-Hsun Chen
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Wisechip Semiconductor Inc
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Application filed by Wisechip Semiconductor Inc filed Critical Wisechip Semiconductor Inc
Priority to TW104118715A priority Critical patent/TWI565117B/en
Publication of TW201644084A publication Critical patent/TW201644084A/en
Application granted granted Critical
Publication of TWI565117B publication Critical patent/TWI565117B/en

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Description

Organic light emitting diode module with optical signal transmission

The invention relates to an organic light emitting diode, in particular to an organic light emitting diode module with optical signal transmission.

Light-emitting diodes, due to their low power consumption and long-term aging, have gradually replaced traditional incandescent lamps, fluorescent lamps, etc., which consume large amounts of electricity, have short service life, and do not meet environmental protection requirements. The emphasis has become the first choice for all kinds of lighting equipment.

For example, in the US Patent Publication No. US Pat. No. 7,318,658, a high-power light-emitting diode color light bulb with an infrared remote control function is disclosed, including a light cup, a light-emitting diode module with a color light-emitting diode chip set, and the inside. The lamp holder of the control circuit board is disposed at the rear end of the lamp cup, so that the LED chip set is located in the lamp cup, the lamp holder is disposed at the rear end of the lamp cup, and the light emitting diode module is connected On the control circuit board, a light guiding hole or a light guiding rod is arranged on the light cup to extend backward from the front end of the light cup corresponding to the infrared sensor on the control circuit board, and the light emitting diode color light bulb with infrared remote control function is formed to make the infrared light sensing The device does not need to be disposed at the front end of the lamp cup, and can receive the infrared signal from the front of the lamp cup through the light guide hole or the light guide bar, and control the color light bulb to control the opening and closing, the color selection, the change mode and the brightness.

However, in such a light-emitting diode product with optical signal transmission, since the light-emitting diode module and the infrared sensor are separately assembled and fabricated, the integrated circuit is correspondingly disposed on the control circuit board, so that the light-emitting diode is Body products, not only the production process is more complicated, the volume of the product can not be further reduced, coupled with the rapid growth of the process technology of the organic light-emitting diode, the organic light-emitting diode is more suitable than the light-emitting diode. The advantages of large-scale production and low production cost have made such a light-emitting diode product with optical signal transmission necessary for improvement.

The main object of the present invention is to solve the problem of the conventional light-emitting diode product with optical signal transmission, which has the problems of complicated manufacturing process, difficult product volume reduction and high production cost.

To achieve the above objective, the present invention provides an organic light emitting diode module with optical signal transmission, comprising a substrate, an organic light emitting diode element, an optical signal transmission component, and a spacer. The substrate includes a light emitting region, a light transmitting region, and a spacing region spaced between the light emitting region and the light transmitting region; the organic light emitting diode element is disposed on the light emitting region and includes a substrate on the substrate a first electrode layer, a second electrode layer away from the substrate, and an organic light-emitting layer disposed between the first electrode layer and the second electrode layer; the optical signal transmission component is disposed in the light transmission region and is externally transmitted An optical signal; the spacer is disposed in the spacing region and has a bottom and a top portion having a width greater than the bottom portion.

In this way, the present invention provides the OLED component and the optical signal transmission component in the same process by disposing the OLED device and the optical signal transmission component on the substrate, so that the LED component and the optical signal component can be integrated into the same process. Compared with the conventional light-emitting diode product, the organic light-emitting diode module not only simplifies the manufacturing process, reduces the overall volume, but also reduces the manufacturing cost.

The detailed description and technical content of the present invention will now be described as follows:

Please refer to FIG. 1 for a schematic cross-sectional view of an embodiment of the present invention. As shown in the figure, the present invention is an organic light emitting diode module with optical signal transmission, comprising a substrate 10 and an organic light emitting device. The diode element 20, an optical signal transmission element 30, and a spacer 40. The substrate 10 can be transparent or non-transparent, and can be made of glass, plastic, germanium, graphite, gallium arsenide (GaAS), gallium nitride (GaN) or tantalum carbide (SiC). The substrate 10 includes a light emitting region 11 , a light transmitting region 12 , and a spacing region 13 . The light emitting region 11 , the light transmitting region 12 and the spacing region 13 are disposed on the same side of the substrate 10 , and the spacing region 13 It is spaced between the light-emitting region 11 and the light-transmitting region 12.

The OLED device 20 is disposed on the illuminating region 11 and includes a first electrode layer 21, a second electrode layer 22, and an organic luminescent layer 23. The first electrode layer 21 is disposed on the substrate 10, The material may be a metal film, a metal compound film, a ceramic material or a polymer conductive material, and the metal film may be gold (Au), silver (Ag), platinum (Pt), copper (Cu), aluminum (Al). ), chromium (Cr), palladium (Pd) or rhodium (Rh), the thickness of the metal compound film is preferably less than 250 nm, and the metal compound film may be a metal oxide, a metal nitride or a metal fluoride, for example Indium-containing oxide (Indium Tin Oxide, hereinafter referred to as ITO), indium gallium zinc oxide (Indium Gallium Zinc Oxide, IGZO), such as indium-containing metal oxide, or indium-free metal oxide such as aluminum oxide or zinc oxide. The ceramic material may be a carbon nanotube or graphite. The polymer conductive material may be PEDOT:PSS or other polymer material having conductivity, and the second electrode layer 22 is located at the first electrode layer 21 away from the substrate 10 . One side, the material can be a metal film, a thin metal compound Or a non-metallic material, the metal film may be gold (Au), silver (Ag), platinum (Pt), copper (Cu), aluminum (Al), chromium (Cr), palladium (Pd) or rhodium (Rh). The thickness of the metal compound film is preferably less than 250 nm, and the metal compound film may be a metal oxide, a metal nitride or a metal fluoride, such as, for example, Indium Tin Oxide (ITO), indium gallium oxide. Indium Gallium Zinc Oxide (IGZO), a metal oxide containing indium or the like, or a metal oxide containing no indium such as aluminum oxide or zinc aluminum oxide. The non-metal material may be a carbon nanotube, a graphite thinner or a naphthalene. a silver or a polymer conductive material (for example, PEDOT: PSS), and the organic light-emitting layer 23 is disposed between the first electrode layer 21 and the second electrode layer 22, and further includes a hole transport layer and an electron a transmission layer and a light-emitting layer, the hole transport layer is connected to the first electrode layer 21, and the material thereof can be a doping and high hole mobility transport material, and can be an organic compound or an organic metal. a compound which may contain a polyfunctional group such as an aromatic amine or a benzene-containing functional group For example, Dipyrazino[2,3-f:2',3'-h] quinoxaline2,3,6,7,10,11-hexacarbonitrile (abbreviated as HAT-CN), N,N'-Di(1-naphthyl)-N , N'-diphenyl-(1,1'- biphenyl)-4,4'-diamine (abbreviated as NPB) or Copper Phthalocyanine (abbreviated as CuPc), etc., the electron transport layer is located in the hole transport layer away from the first electrode One side of the layer 21 may be made of a doped high-migration electron transport material, and may be an organic compound or an organometallic compound. The organic compound may contain a multi-carbon and a heterocyclic functional group, such as An aromatic amine or a benzene-containing functional group and Si or N, and the organometallic compound may be Tris (8-hydroxyquinolinato)aluminium (abbreviated as Alq3) or BeBq (2), and the luminescent layer is disposed on the hole transport layer and Between the electron transporting layers, in the present invention, the light emitting layer may be a structure formed by a single or a plurality of thin films. The organic light-emitting layer 23 can provide the hole transport layer and the electron transport layer with a bias voltage by the first electrode layer 21 and the second electrode layer 22, so that the hole transport layer and the electron transport layer are respectively generated. The plurality of holes and the plurality of electrons, the holes and the electrons entering the light-emitting layer emit energy in the form of a visible light, and the visible light can be emitted through the substrate 10.

The optical signal transmission component 30 is disposed in the optical transmission area 12 and transmits an optical signal externally, and may include an optical transmitter or a light receiver. If the optical signal transmission component 30 includes a light emitter, the light The transmitter can emit an optical signal. If the optical signal transmission component 30 includes an optical receiver, the optical receiver can receive an optical signal. The optical signal can be, for example, a far infrared signal or a wavelength between 400 nm and 700 nm. Visible light, but not limited by this.

The spacer 40 is disposed on the spacer region 13 and has a bottom portion 41 and a top portion 42. The width of the top portion 42 is greater than the bottom portion 41, and a height of the top portion 42 is higher than the organic light emitting diode element. 20. In the present embodiment, a "T" shape is formed by a cross section of the spacer 40, but is not limited thereto. For example, the inverted trapezoid may be used, or the width of the top portion 42 may be larger than the width. The shape of the bottom 41.

In addition, in the embodiment, the organic light emitting diode module further includes a protective layer 50 and a reflective layer 60. The protective layer 50 covers the organic light emitting diode element 20 and the optical signal transmitting component. And the material of the spacer 40 may be an organic compound, an organic polymer, an inorganic polymer, an inorganic oxide or an inorganic nitride, an organic compound such as a derivative such as ruthenium, an inorganic oxide such as SiO2, SiNx or TiOx, or the like. The organic light emitting diode element 20 and the optical signal transmitting element 30 are prevented from being damaged by a moisture, and the reflective layer 60 is covered on the protective layer 50, and the material thereof may be an organic compound or an organic polymer. An inorganic polymer, an inorganic oxide or an inorganic nitride, an organic compound such as a derivative such as ruthenium, an inorganic oxide such as SiO2, SiNx or TiOx, etc., which can increase the light-emitting efficiency of the organic light-emitting diode element 20 toward the substrate 10. .

In this way, the present invention can be applied to various illuminating products that require optical signal transmission by the above-mentioned structural arrangement. For example, when applied to a lighting fixture, the optical signal transmitting component 30 can include the optical receiver. The receiver receives the optical signal transmitted by a remote end, and the organic light emitting diode module can control the operation of the organic light emitting diode element 20 according to an instruction transmitted by the optical signal. For example, when applied to a remote controller, the optical signal transmitting component 30 can include the light emitter, and the organic light emitting diode component 20 can provide a display light source for an operation screen or a button domain area of the remote controller. The light emitter can emit an operation command set according to the operation screen or the button area to drive a device associated with the remote controller.

In summary, the present invention provides the OLED component and the optical signal transmission component by disposing the OLED device and the optical signal transmission component on the substrate and providing the spacer. Integrated in the same process, the organic light-emitting diode module not only simplifies the production process, reduces the overall volume, but also reduces the manufacturing cost and increases the conventional light-emitting diode module. It is applied to all kinds of illuminating products that need to transmit the optical signals. Therefore, the present invention is highly progressive and meets the requirements of applying for invention patents, and the application is made according to law, and the praying office grants patents as soon as possible.

The present invention has been described in detail above, but the foregoing is only a preferred embodiment of the present invention, and is not intended to limit the scope of the invention. That is, the equivalent changes and modifications made by the scope of the present application should remain within the scope of the patent of the present invention.

10: substrate 11: light-emitting region 12: light-transmitting region 13: spacer region 20: organic light-emitting diode element 21: first electrode layer 22: second electrode layer 23: organic light-emitting layer 30: optical signal transmission element 40: interval Item 41: Bottom 42: Top 50: Protective layer 60: Reflective layer

1 is a cross-sectional view showing the structure of an embodiment of the present invention.

10: substrate 11: light-emitting region 12: light-transmitting region 13: spacer region 20: organic light-emitting diode element 21: first electrode layer 22: second electrode layer 23: organic light-emitting layer 30: optical signal transmission element 40: interval Item 41: Bottom 42: Top 50: Protective layer 60: Reflective layer

Claims (7)

  1. An organic light emitting diode module with optical signal transmission includes: a substrate comprising a light emitting region, a light transmitting region, and a spacing region spaced between the light emitting region and the light transmitting region; An organic light emitting diode device disposed on the light emitting region, the organic light emitting diode device including a first electrode layer on the substrate, a second electrode layer away from the substrate, and a first electrode layer disposed on the first electrode layer An organic light-emitting layer disposed between the second electrode layer; an optical signal transmission component disposed in the light transmission region and transmitting an optical signal; and a spacer disposed on the spacer region, the spacer having a bottom portion and A width is greater than a top of the bottom.
  2. The organic light emitting diode module with optical signal transmission according to claim 1, wherein the optical signal is a far infrared signal or a visible light having a wavelength between 400 nm and 700 nm.
  3. The OLED module with optical signal transmission according to claim 1, wherein the optical signal transmission component comprises a light emitter that emits the optical signal.
  4. The OLED module with optical signal transmission according to claim 1, wherein the optical signal transmission component comprises an optical receiver that receives the optical signal.
  5. The organic light emitting diode module with optical signal transmission according to claim 1, wherein the top portion has a height higher than the organic light emitting diode element.
  6. The organic light emitting diode module with optical signal transmission according to claim 1, further comprising a protective layer covering the organic light emitting diode element, the optical signal transmitting component and the spacer.
  7. The organic light emitting diode module with optical signal transmission according to claim 6, further comprising a reflective layer covering the protective layer.
TW104118715A 2015-06-10 2015-06-10 Organic light emitting diode module with optical signal transmission TWI565117B (en)

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Application Number Priority Date Filing Date Title
TW104118715A TWI565117B (en) 2015-06-10 2015-06-10 Organic light emitting diode module with optical signal transmission

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Application Number Priority Date Filing Date Title
TW104118715A TWI565117B (en) 2015-06-10 2015-06-10 Organic light emitting diode module with optical signal transmission

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TWI565117B true TWI565117B (en) 2017-01-01

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Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7133032B2 (en) * 2003-04-24 2006-11-07 Eastman Kodak Company OLED display and touch screen
JP2009288956A (en) * 2008-05-28 2009-12-10 Canon Inc Organic el display device with touch panel function
TWM416589U (en) * 2011-05-19 2011-11-21 De-Sheng Chen Direction indicating device
TWI407610B (en) * 2008-11-28 2013-09-01 Univ Nat Chiao Tung Infrared light distance sensing device for organic semiconductors
TW201502193A (en) * 2013-06-10 2015-01-16 Mitsui Chemicals Inc Thermosetting composition, surface sealing agent for organic EL element and cured product thereof

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7133032B2 (en) * 2003-04-24 2006-11-07 Eastman Kodak Company OLED display and touch screen
JP2009288956A (en) * 2008-05-28 2009-12-10 Canon Inc Organic el display device with touch panel function
TWI407610B (en) * 2008-11-28 2013-09-01 Univ Nat Chiao Tung Infrared light distance sensing device for organic semiconductors
TWM416589U (en) * 2011-05-19 2011-11-21 De-Sheng Chen Direction indicating device
TW201502193A (en) * 2013-06-10 2015-01-16 Mitsui Chemicals Inc Thermosetting composition, surface sealing agent for organic EL element and cured product thereof

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