TWI576540B - Lighting device - Google Patents

Lighting device Download PDF

Info

Publication number
TWI576540B
TWI576540B TW103105141A TW103105141A TWI576540B TW I576540 B TWI576540 B TW I576540B TW 103105141 A TW103105141 A TW 103105141A TW 103105141 A TW103105141 A TW 103105141A TW I576540 B TWI576540 B TW I576540B
Authority
TW
Taiwan
Prior art keywords
light
diffractive optical
pattern
light sources
optical element
Prior art date
Application number
TW103105141A
Other languages
Chinese (zh)
Other versions
TW201533386A (en
Inventor
Ting Hua Kung
Jen Chieh Chang
Chung Lin Chia
Han Chang Chen
Yen Hung Tu
Chih Wen Wu
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 filed Critical
Priority to TW103105141A priority Critical patent/TWI576540B/en
Priority to CN201420731269.2U priority patent/CN204227138U/en
Priority to CN201410704483.3A priority patent/CN104848055B/en
Publication of TW201533386A publication Critical patent/TW201533386A/en
Application granted granted Critical
Publication of TWI576540B publication Critical patent/TWI576540B/en

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V5/00—Refractors for light sources
    • F21V5/08—Refractors for light sources producing an asymmetric light distribution
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21V—FUNCTIONAL FEATURES OR DETAILS OF LIGHTING DEVICES OR SYSTEMS THEREOF; STRUCTURAL COMBINATIONS OF LIGHTING DEVICES WITH OTHER ARTICLES, NOT OTHERWISE PROVIDED FOR
    • F21V19/00—Fastening of light sources or lamp holders
    • F21V19/001—Fastening of light sources or lamp holders the light sources being semiconductors devices, e.g. LEDs

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Electroluminescent Light Sources (AREA)
  • Diffracting Gratings Or Hologram Optical Elements (AREA)

Description

照明裝置 Lighting device

本發明係有關於一種照明裝置，特別是關於一種具有繞射光學元件之照明裝置。 The present invention relates to an illumination device, and more particularly to an illumination device having a diffractive optical element.

在目前的照明裝置中，為了使出光均勻或產生特定圖案，常使用霧面燈殼或一體成形之圖案化燈殼。霧面燈殼一般係用在一般的家用照明或辦公室照明，而一體成形之圖案化燈殼則常見於車燈中以提供特定的條紋或幾何圖案。 In current lighting devices, in order to make the light uniform or to produce a specific pattern, a matte lamp housing or an integrally formed patterned lamp housing is often used. Matte lamp housings are typically used in general household or office lighting, while integrally formed patterned lamp housings are commonly found in automotive lights to provide specific stripes or geometric patterns.

然而，霧面燈殼的出光效率較差，而一體成形之圖案化燈殼則無法提供一均勻的視覺圖案一觀察者很容易透過一體成形之圖案化燈殼看到多個彼此分離之燈源。 However, the matte lamp housing has a poor light extraction efficiency, and the integrally formed patterned lamp housing does not provide a uniform visual pattern. The observer can easily see a plurality of separate light sources through the integrally formed patterned lamp housing.

為解決前述之問題，吾人亟需一種新穎的照明裝置。 In order to solve the aforementioned problems, we need a novel lighting device.

本發明之一目的在於揭露一種照明裝置，其可藉由至少一繞射光學元件提供一線條均勻的顯示圖案。 It is an object of the present invention to disclose an illumination device that provides a uniform line of display pattern by at least one diffractive optical element.

本發明之另一目的在於揭露一種照明裝置，其可藉由至少一繞射光學元件提供一具有立體感的顯示圖案。 Another object of the present invention is to disclose an illumination device that provides a three-dimensional display pattern by at least one diffractive optical element.

本發明之又一目的在於揭露一種照明裝置，其可藉由至少 一繞射光學元件節省燈源之數目。 Another object of the present invention is to disclose a lighting device which can be at least A diffractive optical element saves the number of light sources.

為達到上述之目的，一種照明裝置乃被提出，其具有：一燈源組件，具有複數個第一光源及至少一繞射光學元件，其中，所述至少一繞射光學元件形成一繞射紋路圖案，所述至少一繞射光學元件各具有一入光側及一出光側，且所述複數個第一光源提供入射光線至所述至少一繞射光學元件之所述入光側；以及一燈殼，其接收由所述至少一繞射光學元件之所述出光側發出之光線。 To achieve the above object, an illumination device is provided having: a light source assembly having a plurality of first light sources and at least one diffractive optical element, wherein the at least one diffractive optical element forms a diffraction pattern a pattern, the at least one diffractive optical element each having a light incident side and a light exiting side, and the plurality of first light sources provide incident light to the light incident side of the at least one diffractive optical element; a lamp housing that receives light emitted by the light exiting side of the at least one diffractive optical element.

在一實施例中，所述複數個第一光源係由LED(light emitting diode；發光二極體)或OLED(organic light emitting diode；有機發光二極體)或PLED(polymer light emitting diode；高分子有機發光二極體)構成。 In one embodiment, the plurality of first light sources are LED (light emitting diode) or OLED (organic light emitting diode) or PLED (polymer light emitting diode; Organic light-emitting diode).

在一實施例中，所述複數個第一光源具有單一封裝體或複數個封裝體。 In an embodiment, the plurality of first light sources have a single package or a plurality of packages.

在一實施例中，所述複數個第一光源具有相同的色光或不同的色光。 In an embodiment, the plurality of first light sources have the same color light or different color lights.

在一實施例中，所述複數個第一光源具有一光學轉換件以及至少一第二光源，所述至少一第二光源係位於該光學轉換件之至少一側邊。 In one embodiment, the plurality of first light sources have an optical conversion member and at least one second light source, and the at least one second light source is located on at least one side of the optical conversion member.

在一實施例中，所述複數個第一光源係位於同一平面或不同平面。 In an embodiment, the plurality of first light sources are in the same plane or different planes.

在一實施例中，所述複數個第一光源具有多個光軸方向。 In an embodiment, the plurality of first light sources have a plurality of optical axis directions.

在一實施例中，所述繞射光學元件係一透明或半透明之光學元件。 In an embodiment, the diffractive optical element is a transparent or translucent optical element.

在一實施例中，所述繞射光學元件係由玻璃、PC(polycarbonate；聚碳酸酯)、PMMA(polymethyl methacrylate；聚酸甲酯)、COP(cyclo olefin polymers；環烯烴聚合物)、ABS(acrylonitrile butadiene styrene；丙烯腈-丁二烯-苯乙烯)、以及前述任意組合所組成之群組所選擇的一種材料製成。 In one embodiment, the diffractive optical element is made of glass, PC (polycarbonate), PMMA (polymethyl methacrylate), COP (cyclo olefin polymers), ABS ( A material selected from the group consisting of acrylonitrile butadiene styrene; acrylonitrile butadiene styrene, and any combination of the foregoing.

為達到上述之目的，另一種照明裝置乃被提出，其具有：一燈源組件，具有複數個第一光源及一繞射光學元件陣列，其中，所述繞射光學元件陣列具有複數個繞射光學元件以形成一繞射紋路組合，所述複數個繞射光學元件各具有一入光側及一出光側，且所述複數個第一光源提供入射光線至所述複數個繞射光學元件之所述入光側；以及一燈殼，其接收由所述複數個繞射光學元件之所述出光側發出之光線。 In order to achieve the above object, another illumination device is proposed having: a light source assembly having a plurality of first light sources and an array of diffractive optical elements, wherein the array of diffractive optical elements has a plurality of diffractions The optical element is formed to form a diffraction pattern, the plurality of diffractive optical elements each having a light incident side and a light exiting side, and the plurality of first light sources provide incident light to the plurality of diffractive optical elements The light incident side; and a lamp housing that receives light emitted by the light exiting side of the plurality of diffractive optical elements.

為使 貴審查委員能進一步瞭解本發明之結構、特徵及其目的，茲附以圖式及較佳具體實施例之詳細說明如后。 The detailed description of the drawings and the preferred embodiments are set forth in the accompanying drawings.

10‧‧‧光源模組 10‧‧‧Light source module

11‧‧‧繞射光學元件 11‧‧‧Diffractive optical components

12‧‧‧燈殼 12‧‧‧Light shell

10a‧‧‧第一光源 10a‧‧‧first light source

11a‧‧‧入光側 11a‧‧‧light side

11b‧‧‧出光側 11b‧‧‧light side

13‧‧‧光學轉換件 13‧‧‧Optical converter

13a‧‧‧出光區 13a‧‧‧Lighting area

14‧‧‧第二光源 14‧‧‧Second light source

15‧‧‧反射件 15‧‧‧Reflecting parts

圖1為本發明照明裝置其一實施例之爆炸示意圖。 1 is a schematic exploded view of an embodiment of a lighting device of the present invention.

圖2為圖1之照明裝置之組合示意圖。 2 is a schematic view showing the combination of the lighting device of FIG. 1.

圖3為圖2之照明裝置於發光時所產生之條紋圖案示意圖。 3 is a schematic view showing a stripe pattern generated by the illumination device of FIG. 2 when illuminated.

圖4為圖1之光源模組之複數個第一光源不位於同一平面之示意圖。 4 is a schematic diagram of a plurality of first light sources of the light source module of FIG. 1 not in the same plane.

圖5為圖1之光源模組之複數個第一光源具有二個光軸方向之示意圖。 FIG. 5 is a schematic diagram of a plurality of first light sources of the light source module of FIG. 1 having two optical axis directions.

圖6為本發明照明裝置其另一實施例之爆炸示意圖。 Figure 6 is a schematic exploded view of another embodiment of the lighting device of the present invention.

圖7為本發明之照明裝置設置有由複數個繞射光學元件組成之一繞射光學元件陣列之一示意圖。 Figure 7 is a schematic illustration of an illumination device of the present invention provided with an array of diffractive optical elements comprised of a plurality of diffractive optical elements.

請參照圖1，其為本發明照明裝置其一實施例之爆炸示意圖。如圖1所示，該照明裝置具有一光源模組10、一繞射光學元件11、以及一燈殼12。 Please refer to FIG. 1, which is a schematic exploded view of an embodiment of a lighting device of the present invention. As shown in FIG. 1, the lighting device has a light source module 10, a diffractive optical element 11, and a lamp housing 12.

光源模組10具有複數個第一光源10a，且第一光源10a可由LED或OLED或PLED構成。所述複數個第一光源10a可具有單一封裝體或複數個封裝體，且所述複數個第一光源10a可具有相同的色光或不同的色光。 The light source module 10 has a plurality of first light sources 10a, and the first light source 10a may be composed of an LED or an OLED or a PLED. The plurality of first light sources 10a may have a single package or a plurality of packages, and the plurality of first light sources 10a may have the same color light or different color lights.

繞射光學元件11係一透明或半透明之光學元件，且其可由玻璃、PC、PMMA、COP、ABS、以及前述任意組合所組成之群組所選擇的一種材料製成。繞射光學元件11係和複數個第一光源10a形成一燈源組件，其中，繞射光學元件11具有一繞射紋路圖案、一入光側11a、及一出光側11b，且所述複數個第一光源10a提供入射光線至繞射光學元件11之所述入光側11a。繞射光學元件11係藉由其表面之所述繞射紋路圖案使觀看者在距出光側11b一距離處觀看到一線條均勻的條紋化圖案、幾何圖案、數字、或文字符號。 The diffractive optical element 11 is a transparent or translucent optical element and may be made of a material selected from the group consisting of glass, PC, PMMA, COP, ABS, and any combination of the foregoing. The diffractive optical element 11 and the plurality of first light sources 10a form a light source assembly, wherein the diffractive optical element 11 has a diffraction pattern, a light incident side 11a, and a light exit side 11b, and the plurality of The first light source 10a supplies incident light to the light incident side 11a of the diffractive optical element 11. The diffractive optical element 11 allows the viewer to see a uniform stripe pattern, geometric pattern, number, or text symbol at a distance from the light exit side 11b by the diffraction pattern on its surface.

燈殼12係用以接收由繞射光學元件11之所述出光側11b發出之光線。燈殼12可為一曲面燈殼或一平面燈殼。 The lamp housing 12 is for receiving light emitted by the light exiting side 11b of the diffractive optical element 11. The lamp housing 12 can be a curved lamp housing or a flat lamp housing.

於發光時，由於繞射光學元件11的繞射作用，觀看者在偏離正面一角度處將看到較正面所見圖案稍微彎曲的圖案。依此，本發明之照明裝置提供了立體的圖案顯示效果。 At the time of illumination, due to the diffraction effect of the diffractive optical element 11, the viewer will see a slightly curved pattern of the pattern seen from the front side at an angle deviating from the front side. Accordingly, the illumination device of the present invention provides a stereoscopic pattern display effect.

請參照圖2，其為圖1之照明裝置之組合示意圖。請參照圖3，其為圖2之照明裝置於發光時所產生之條紋圖案示意圖。如圖3所示，該照明裝置所產生之條紋圖案係一均勻的條紋圖案，且帶有立體感。 Please refer to FIG. 2 , which is a schematic diagram of the combination of the lighting device of FIG. 1 . Please refer to FIG. 3 , which is a schematic diagram of a stripe pattern generated by the illumination device of FIG. 2 when illuminated. As shown in FIG. 3, the stripe pattern produced by the illumination device is a uniform stripe pattern with a three-dimensional effect.

另外，光源模組10之複數個第一光源10a可位於同一平面或不位於同一平面。請參照圖4，其為光源模組10之複數個第一光源10a不位於同一平面之示意圖。當複數個第一光源10a不位於同一平面時，本發明之照明裝置可更增強其顯示圖案的立體感。 In addition, the plurality of first light sources 10a of the light source module 10 may be located in the same plane or not in the same plane. Please refer to FIG. 4 , which is a schematic diagram of a plurality of first light sources 10 a of the light source module 10 not in the same plane. When the plurality of first light sources 10a are not in the same plane, the illumination device of the present invention can further enhance the stereoscopic effect of the display pattern thereof.

另外，光源模組10之複數個第一光源10a亦可具有多個光軸方向。請參照圖5，其為光源模組10之複數個第一光源10a具有二個光軸方向之示意圖。依此，本發明之照明裝置即可提供二種不同的顯示圖案。 In addition, the plurality of first light sources 10a of the light source module 10 may have a plurality of optical axis directions. Please refer to FIG. 5 , which is a schematic diagram of a plurality of first light sources 10 a of the light source module 10 having two optical axis directions. Accordingly, the illumination device of the present invention can provide two different display patterns.

另外，光源模組10之複數個第一光源10a亦可藉由一光學轉換件間接產生。由請參照圖6，其為本發明照明裝置其另一實施例之爆炸示意圖。如圖6所示，該照明裝置之光源模組10具有一光學轉換件13、複數個第二光源14、以及一反射件15。 In addition, the plurality of first light sources 10a of the light source module 10 can also be indirectly generated by an optical conversion member. Please refer to FIG. 6, which is a schematic exploded view of another embodiment of the lighting device of the present invention. As shown in FIG. 6, the light source module 10 of the illumination device has an optical conversion member 13, a plurality of second light sources 14, and a reflection member 15.

光學轉換件13可由一導光板構成，其具有二側邊、一出光面、以及一背面。所述二側邊分別設置有二個第二光源14(亦可在單一側邊設置至少一第二光源14)，且所述出光面具有複數個出光區13a以提供所述的複數個第一光源10a。 The optical conversion member 13 can be composed of a light guide plate having two sides, a light exiting surface, and a back surface. The two sides are respectively provided with two second light sources 14 (at least one second light source 14 may be disposed on a single side), and the light exiting surface has a plurality of light exiting regions 13a to provide the plurality of first portions. Light source 10a.

複數個第二光源14可由LED或OLED或PLED構成。 The plurality of second light sources 14 may be comprised of LEDs or OLEDs or PLEDs.

反射件15可由例如但不限於金屬構成，用以提供光線反射功能。 The reflector 15 can be constructed of, for example, but not limited to, a metal to provide a light reflecting function.

另外，本發明之照明裝置亦可設置一繞射光學元件陣列以提 供較為複雜的顯示圖案。請參照圖7，其為本發明之照明裝置設置有由複數個繞射光學元件組成之一繞射光學元件陣列之一示意圖。如圖7所示，標號為A之繞射光學元件具有一第一繞射紋路以產生垂直之條紋顯示圖案，而標號為B之繞射光學元件則具有一第二繞射紋路以產生水平之條紋顯示圖案。亦即，藉由使所述複數個繞射光學元件形成一繞射紋路組合，本發明之照明裝置即可在發光時讓觀看者看到一文字或數碼符號。 In addition, the illumination device of the present invention may also be provided with an array of diffractive optical elements for For more complex display patterns. Please refer to FIG. 7, which is a schematic diagram of a lighting device of the present invention provided with an array of diffractive optical elements composed of a plurality of diffractive optical elements. As shown in FIG. 7, the diffractive optical element labeled A has a first diffractive pattern to create a vertical stripe display pattern, and the diffractive optical element labeled B has a second diffractive pattern to produce a horizontal Stripe display pattern. That is, by forming the plurality of diffractive optical elements into a diffraction pattern combination, the illumination device of the present invention allows the viewer to see a character or a digital symbol when illuminated.

由以上的說明可知，本發明因其新穎之設計而具有以下之優點： As can be seen from the above description, the present invention has the following advantages due to its novel design:

1.本發明之照明裝置可藉由至少一繞射光學元件提供一線條均勻的顯示圖案。 1. The illumination device of the present invention provides a uniform line of display pattern by at least one diffractive optical element.

2.本發明之照明裝置可藉由至少一繞射光學元件提供一具有立體感的顯示圖案。 2. The illumination device of the present invention can provide a three-dimensional display pattern by at least one diffractive optical element.

3.本發明之照明裝置可藉由至少一繞射光學元件節省燈源之數目。 3. The illumination device of the present invention can save the number of light sources by at least one diffractive optical element.

本案所揭示者，乃較佳實施例，舉凡局部之變更或修飾而源於本案之技術思想而為熟習該項技藝之人所易於推知者，俱不脫本案之專利權範疇。 The disclosure of the present invention is a preferred embodiment. Any change or modification of the present invention originating from the technical idea of the present invention and being easily inferred by those skilled in the art will not deviate from the scope of patent rights of the present invention.

綜上所陳，本案無論就目的、手段與功效，在在顯示其迥異於習知之技術特徵，且其首先發明合於實用，亦在在符合發明之專利要件，懇請 貴審查委員明察，並祈早日賜予專利，俾嘉惠社會，實感德便。 In summary, this case, regardless of its purpose, means and efficacy, is showing its technical characteristics that are different from the conventional ones, and its first invention is practical and practical, and it is also in compliance with the patent requirements of the invention. I will be granted a patent at an early date.

10‧‧‧光源模組 10‧‧‧Light source module

11‧‧‧繞射光學元件 11‧‧‧Diffractive optical components

12‧‧‧燈殼 12‧‧‧Light shell

10a‧‧‧第一光源 10a‧‧‧first light source

11a‧‧‧入光側 11a‧‧‧light side

11b‧‧‧出光側 11b‧‧‧light side

Claims (10)

一種照明裝置，其具有：一燈源組件，具有複數個第一光源及一繞射光學元件，其中，所述繞射光學元件形成一繞射紋路圖案，所述繞射光學元件具有一入光側及一出光側，且所述複數個第一光源提供入射光線至所述繞射光學元件之所述入光側；以及一燈殼，其接收由所述繞射光學元件之所述出光側發出之光線；其中，所述繞射光學元件係藉由其所述繞射紋路圖案使觀看者在距所述出光側一距離處觀看到一具有立體感的顯示圖案，所述顯示圖案是由條紋化圖案、幾何圖案、數字、和文字符號所組成的群組中所選擇的一種圖案，且所述顯示圖案係和所述複數個第一光源的一排列型態相對應。 A lighting device having: a light source assembly having a plurality of first light sources and a diffractive optical element, wherein the diffractive optical element forms a diffraction pattern, and the diffractive optical element has an incoming light a side and a light exiting side, and the plurality of first light sources provide incident light to the light incident side of the diffractive optical element; and a lamp housing received by the light exiting side of the diffractive optical element a light emitted by the diffractive optical element, wherein the diffraction pattern allows the viewer to view a three-dimensional display pattern at a distance from the light exiting side, the display pattern being a pattern selected from the group consisting of a striped pattern, a geometric pattern, a number, and a text symbol, and the display pattern corresponds to an aligned pattern of the plurality of first light sources. 如申請專利範圍第1項所述之照明裝置，其中所述複數個第一光源係由LED或OLED或PLED構成。 The lighting device of claim 1, wherein the plurality of first light sources are composed of LEDs or OLEDs or PLEDs. 如申請專利範圍第1項所述之照明裝置，其中所述複數個第一光源具有單一封裝體或複數個封裝體。 The illuminating device of claim 1, wherein the plurality of first light sources have a single package or a plurality of packages. 如申請專利範圍第1項所述之照明裝置，其中所述複數個第一光源具有相同的色光或不同的色光。 The illumination device of claim 1, wherein the plurality of first light sources have the same color light or different color lights. 如申請專利範圍第1項所述之照明裝置，其中所述複數個第一光源具有一光學轉換件以及至少一第二光源，所述至少一第二光源係位於該光學轉換件之至少一側邊，且該光學轉換件係一導光板。 The illuminating device of claim 1, wherein the plurality of first light sources have an optical conversion member and at least one second light source, and the at least one second light source is located on at least one side of the optical conversion member And the optical conversion member is a light guide plate. 如申請專利範圍第1項所述之照明裝置，其中所述複數個第一光源係位於同一平面或不同平面。 The illuminating device of claim 1, wherein the plurality of first light sources are in the same plane or different planes. 如申請專利範圍第1項所述之照明裝置，其中所述複數個第一光源具有多個光軸方向。 The illumination device of claim 1, wherein the plurality of first light sources have a plurality of optical axis directions. 如申請專利範圍第1項所述之照明裝置，其中所述繞射光學元件係一透明或半透明之光學元件。 The illuminating device of claim 1, wherein the diffractive optical element is a transparent or translucent optical element. 如申請專利範圍第1項所述之照明裝置，其中所述繞射光學元件係由玻璃、聚碳酸酯、聚酸甲酯、環烯烴聚合物、丙烯腈-丁二烯-苯乙烯、以及前述任意組合所組成之群組所選擇的一種材料製成。 The illuminating device of claim 1, wherein the diffractive optical element is glass, polycarbonate, polymethyl acrylate, cycloolefin polymer, acrylonitrile-butadiene-styrene, and the foregoing Made of a material selected by a group consisting of any combination. 一種照明裝置，其具有：一燈源組件，具有複數個第一光源及一繞射光學元件陣列，其中，所述繞射光學元件陣列具有複數個繞射光學元件以形成一繞射紋路組合，所述複數個繞射光學元件各具有一入光側及一出光側，且所述複數個第一光源提供入射光線至所述複數個繞射光學元件之所述入光側；以及一燈殼，其接收由所述複數個繞射光學元件之所述出光側發出之光線；其中，所述繞射光學元件陣列係藉由其所述繞射紋路組合使觀看者在距所述出光側一距離處觀看到一具有立體感的顯示圖案，所述顯示圖案是由條紋化圖案、幾何圖案、數字、和文字符號所組成的群組中所選擇的一種圖案，且所述顯示圖案係和所述複數個第一光源的一排列型態相對應。 A lighting device having: a light source assembly having a plurality of first light sources and an array of diffractive optical elements, wherein the array of diffractive optical elements has a plurality of diffractive optical elements to form a diffraction pattern combination, The plurality of diffractive optical elements each have a light incident side and a light exiting side, and the plurality of first light sources provide incident light to the light incident side of the plurality of diffractive optical elements; and a lamp housing Receiving light emitted by the light exiting side of the plurality of diffractive optical elements; wherein the array of diffractive optical elements is such that the diffraction pattern combination causes the viewer to be at a distance from the light exiting side A stereoscopic display pattern is viewed at a distance, the display pattern being a selected one of a group consisting of a striped pattern, a geometric pattern, a number, and a text symbol, and the display pattern is An arrangement pattern of a plurality of first light sources corresponds to each other.
TW103105141A 2014-02-17 2014-02-17 Lighting device TWI576540B (en)

Priority Applications (3)

Application Number Priority Date Filing Date Title
TW103105141A TWI576540B (en) 2014-02-17 2014-02-17 Lighting device
CN201420731269.2U CN204227138U (en) 2014-02-17 2014-11-27 Lighting device
CN201410704483.3A CN104848055B (en) 2014-02-17 2014-11-27 Lighting device

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
TW103105141A TWI576540B (en) 2014-02-17 2014-02-17 Lighting device

Publications (2)

Publication Number Publication Date
TW201533386A TW201533386A (en) 2015-09-01
TWI576540B true TWI576540B (en) 2017-04-01

Family

ID=52925227

Family Applications (1)

Application Number Title Priority Date Filing Date
TW103105141A TWI576540B (en) 2014-02-17 2014-02-17 Lighting device

Country Status (2)

Country Link
CN (2) CN104848055B (en)
TW (1) TWI576540B (en)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TWI576540B (en) * 2014-02-17 2017-04-01 Lighting device
US10942429B2 (en) * 2018-10-01 2021-03-09 Himax Technologies Limited Projector, electronic device having projector and associated control method
CN111458895A (en) * 2020-04-28 2020-07-28 迪鹏光电科技股份有限公司 Array structured light pattern projection device
DE102021116099A1 (en) * 2020-11-02 2022-05-05 Olsa S.P.A. AUTOMOTIVE OPTICAL DEVICE, AUTOMOTIVE LAMP AND AMBIENT LIGHT

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW409282B (en) * 1995-12-14 2000-10-21 Mitsubishi Electric Corp Image difference evaluation photomask pattern and the evaluation method of quality of image difference
TW200632471A (en) * 2005-03-10 2006-09-16 Nanogate Advanced Materials Gmbh Flat screen
TWM350770U (en) * 2008-06-23 2009-02-11 Beyondpv Co Ltd A laser dynamic projection device with power-saving
TWM415250U (en) * 2011-06-08 2011-11-01 Wellypower Optronics Corp Multi-angle lighting structure and bubble lamp structure thereof

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7298533B2 (en) * 2003-03-24 2007-11-20 Wavefront Technology Optical films for creating unique optical effects
DE10351129B4 (en) * 2003-11-03 2008-12-24 Ovd Kinegram Ag Diffractive security element with a halftone image
JP4436752B2 (en) * 2004-12-22 2010-03-24 シャープ株式会社 Light source device and liquid crystal display device
JP4816216B2 (en) * 2006-04-14 2011-11-16 大日本印刷株式会社 Light diffraction structure
KR20100037108A (en) * 2007-06-29 2010-04-08 아벨 시스템즈 인코포레이션 Led illumination device using diffraction member
CN201269423Y (en) * 2008-09-27 2009-07-08 联嘉光电股份有限公司 Illuminating apparatus
TWI576540B (en) * 2014-02-17 2017-04-01 Lighting device

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
TW409282B (en) * 1995-12-14 2000-10-21 Mitsubishi Electric Corp Image difference evaluation photomask pattern and the evaluation method of quality of image difference
TW200632471A (en) * 2005-03-10 2006-09-16 Nanogate Advanced Materials Gmbh Flat screen
TWM350770U (en) * 2008-06-23 2009-02-11 Beyondpv Co Ltd A laser dynamic projection device with power-saving
TWM415250U (en) * 2011-06-08 2011-11-01 Wellypower Optronics Corp Multi-angle lighting structure and bubble lamp structure thereof

Also Published As

Publication number Publication date
CN104848055A (en) 2015-08-19
CN204227138U (en) 2015-03-25
CN104848055B (en) 2017-07-28
TW201533386A (en) 2015-09-01

Similar Documents

Publication Publication Date Title
US8641238B2 (en) Light source module
US7866837B2 (en) Skew light illumination lens device
JP2016046120A (en) Vehicular lighting fixture
TW201129761A (en) LED based lamp and light emitting signage
TWI576540B (en) Lighting device
US20130051050A1 (en) Vehicle lighting device
JP2015015077A (en) Lighting apparatus, lamp, and vehicle
US20120327652A1 (en) Light-guided led indirect lighting device
CN207034986U (en) Lens, lighting apparatus and luminaire
TWI570358B (en) A lighting device that emits light in a diffractive manner
EP2653777A1 (en) Lighting device and cove lighting module using the same
JP2015046357A (en) Lighting device
JP2014149986A (en) Vehicular lighting fixture
TWM481359U (en) Lighting device
TWM481360U (en) Lighting device emitting light by diffraction
US8596844B1 (en) Vehicle light
JP2020024867A (en) Vehicular lighting fixture
US20130272024A1 (en) Diffusion structure and lighting device with such diffusion structure
CN106164577B (en) Optical lens and LED lamp module for backlight
US8845164B2 (en) Illumination device
US20150293295A1 (en) Flat panel lamp
US20150109807A1 (en) Vehicle lighting device and method for manufacturing the same
KR20130100653A (en) Vehicle lamp having wide light region
KR101549028B1 (en) Lighting apparatus
TWM460215U (en) LED bulb with increased irradiation area

Legal Events

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