580591580591
五、發明說明（ 【一、發明所屬之技術領域】 平面係關於—種投㈣示裝置’尤指—種適用於微 卞面.·、、員不洛 < 投影顯示裝置。 【二、先前技術】 、人、近年來投影顯示裝I已廣泛應用於各種場♦，僅適用 t公眾場合播放簡報或影片，亦已深人家庭，成為新一代 &視，娛樂設備主流。現今投影顯示裝置之發展趨勢為發 展2輕、體積小，且可提供良好之亮度與影像放大品^ =投影機；尤其是可攜式投影機，由於攜帶方便，可隨時 Ik地使用’相當受到青睞。此外，由於微平面顯示器及其 光源之長足進步，使得微顯示器已可應用於投影顯示裝置 中，大幅節省投影機之重量與體積，因此，若能搭配一良 好之光學引擎，便可得到良好之放大影像品質。 另一方面，一般之投影機，其於投射之光行進過程 中’ Ί ¥因為光行進路徑中，通過複數個透境組合時，光 因為散射而導致光度之減少，使光利用率降低，損耗光源 之光度以及耗電度。有鑑於此種缺點以及市場需求，發明 人便積極研發一種新的「投影顯示裝置」，幾經研究實驗 終至完成此項嘉惠世人之發明。 【三、發明内容】 本發明之概述 本紙張尺度適用中國國家標準（CNS) A4規格（210X297公釐） 6 -------------4裝------- (請先閲讀背面之注意事項再填寫本頁各欄) 訂iV. Description of the invention ([I. Technical field to which the invention belongs] The plane system is about-a kind of projection display device ', especially-a kind suitable for microscopic surface ...., Yuanbuluo < projection display device. [II. Previous Technology] In recent years, the projection display device I has been widely used in various fields. It is only suitable for public presentations or videos in public places. It has also become popular in families and has become the new generation of mainstream video and entertainment equipment. Today's projection display devices The development trend is to develop 2 light, small size, and can provide good brightness and image magnification products ^ = projectors; especially portable projectors, because they are easy to carry, can be used at any time Ik 'is very popular. In addition, Due to the great progress of the micro-plane display and its light source, the micro-display has been applied to the projection display device, which greatly saves the weight and volume of the projector. Therefore, if it can be matched with a good optical engine, a good magnified image can be obtained On the other hand, the average projector, in the process of projected light travel, '' ¥ because in the light travel path, through a number of translucent combinations Due to the scattering of light, the luminosity is reduced, the light utilization rate is reduced, the luminosity and power consumption of the light source are lost. In view of this disadvantage and market demand, the inventor actively developed a new "projection display device", after several studies The experiment has finally completed this invention that benefited the world. [III. Summary of the invention] Summary of the invention The paper size is applicable to the Chinese National Standard (CNS) A4 specification (210X297 mm) 6 ---------- --- 4 Pack ------- (Please read the notes on the back before filling in the columns on this page) Order i
580591 五、發明説明（2 ) 本發明之主要目的係在提供一種投影顯示裝置，俾能 有效放大微顯示器所提供之影像，減少投影光行進路徑中 光散射之損失，同時大幅減少投影裝置之重量與體積，適 合各種場合使用。 為達成上述之目的，本發明係有關一種投影顯示裝 置：，、主要包拾：-光源，以提供光線；_聚焦鏡組，係位 於A光源之側，以匯聚由該光源發出之光線；一繞射鏡 組，係位於該聚焦鏡組之一側，使得該聚焦鏡組位於該光 源與孩繞射鏡組之間，以提高由該聚焦鏡祖傳來之光線之 2輝度角；一顯示單元，係位於該繞射鏡組之另一侧，使 得該繞射鏡組位於該聚焦鏡組與該顯示單元之間，且該顯 示單元不位於該聚焦鏡組與該繞射鏡組所形成之直線上，、 =接受由該光源所發出之光線並提供影像；一偏振光分離 裔（PBS)，保位於由該顯示單元與該繞射鏡組所包圍之空 間内，以將由該光源所發出之光線反射至該顯示單元，並 使藏顯π單几發出之光線穿透；以及一折射鏡組，以偏折 並放大藏顯π單几提供之影像；其中由該光源發出之光線 絰由藏聚焦鏡組集中穿透至該繞射鏡片組，再行進至該偏 振光分離器’經該偏振光分離器反射至該顯示單元，而由 琢顯不早7L所提供之光線再穿透該偏振光分離器，到達該 折射鏡、、且，經由泫折射鏡組轉換形成一放大實像。上述之 顯不單元係為一微平面顯示器。 本發明之詳細説明 *裝---------訂· — (請先閲讀背面之注意事項再填寫本頁各欄) 580591 A7 _______ B7 五、發明説明（3 ) 本發明之光源種類無限制，較佳*LED、汽車燈泡或 Xe燈泡。本發明之聚焦鏡組主要係將光源發出之光線集 中，其種類典限制，較佳為一聚焦透鏡◦本發明之繞射鏡 組功能主要係將該光線之半輝度角提高，使原本散射之光 線可轉換為平行光，較佳包含一水平繞射鏡片與_垂直繞 射鏡片。本發明之顯示單元種類無限制，較佳 微平面顯示器，更佳為HTPS微顯示器、乙（：〇3微顯示器 或DMD微顯示器。本發明之折射鏡組係用以放大該微顯 π器所提供之影像，較佳包含至少一凸透鏡，更佳包含至 少一凸透鏡與一放大鏡片；該凸透鏡之功能為放大影像， 於鏡後形成一放大實像，因此其個數無限制，若一個凸透 鏡的放大倍率為A，則η個凸透鏡則可達到a η之放大倍 率。為了達到反射光源之光線，且同時允許顯示器上之光 線穿透，本發明之該偏振光分離器係與顯示單元形成一夾 角X，該X値介於0度至90度之間，且該偏振光分離器亦 與該折射單元形成一夹角γ，該γ値介於〇度至9〇度之 間，该X値與該Υ値更佳共為4 5度。本發明更可視需要包 含一彩色轉輪（c ο 1 or whe e 1)，位於該光源與該聚焦鏡組 之間，以提供影像所需之色彩。 【四、實施方式】 為能讓貴審查委員能更瞭解本發明之技術内容，特 舉一較佳具體實施例説明如下。 8 本紙張尺度適用中國國家標準（CNS) A4規格（210X297公楚） 580591 κι _____^Β7 五、發明説明（4 ) 請參照圖1，圖1係本發明投影顯示裝置較佳例示意 圖。本實施例包含一 L型殼體1〇〇、一光源（χ^燈 泡）1 1 0、一彩色轉輪1 2 0、一聚焦鏡組1 3 0、一繞射鏡片 組140，一 LCOS微顯示器150，一 PBS 160、數個凸透 鏡1 7 0 (折射鏡組）以及一放大鏡片丨8 〇 (凸透鏡）；上述之 繞射鏡片組包含一垂直繞射片與一水平繞射片。其中，該 彩色轉輪1 2 0介於該光源1 1 〇與該聚焦鏡組丨3 〇之間，該 聚焦鏡組1 3 0係介於該彩色轉輪1 20與該繞射鏡片組1 4〇 之間。該L C Ο S微顯示器1 5 0係位於該光源1 1 〇與該繞射 鏡片組140形成直線之垂直線上，且該繞射鏡組14〇與該 顯示器150所包圍之空間中置有一 pbs 160，以顯示器 150為基準，該PB S160呈45度角置放，以提供良好之分 光功能。該PBS 160上方適當距離處置有複數個凸透鏡 170，在殼體1〇〇開口處恰置有一凸透鏡18〇。 由光源1 1 0所發出之光線，經由聚焦透鏡丨3 〇集中穿 透至繞射鏡片組140，經由該繞射鏡片組140將所有光線 調整成水平光線後傳至PBS 160處，由PBS 160反射至該 微顯示器1 5 0上，而該微顯示器1 5 0所反射出之光線係穿 透該PBS 160，經由複數個凸透鏡170與180形成一放大 實像，投射至屏幕1 9 0上。 由上述可知，本發明利用一良好之光學引擎，有效放 大微顯示器所提供之影像。該光學引擎主要係利用凸透鏡 將影像放大，因此，可依據放大倍率之需求增設凸透鏡、 本紙張尺度適用中國國家標準（CNS ) A4規格（210X297公釐） -------------丨1裝 (請先閱讀背面之注意事項再填寫本頁各襴} ϋ ^^1 i^i ^^1 、 * 11 n HI I l ι_ϋ 、一一 Φ 丨#· 【六、圖號説明 1〇〇 L型殼體 130聚焦鏡組 五、發明説明（5 ) 個數，且利用取、 之光線，加^ 鏡與繞射鏡片組等，集中光源所發出 題。同時，’、可降低影像放大常有的亮度不夠之問 & —偏振光分離器（PBS)，將光源與顯示器 干柃·马泉有政分離，所放大之影像不會受到光源背景 猫一口口絲以像口口質相當良好。且本發明可依據所使用的微 抑 而要加裝一彩色轉輪，配合原本單色的微 ，使原本單色的微顯示器可產生色彩。此外，本發 明裝置僅使用微顯示器、LED或Xe燈泡，以及數個透鏡 .且光子原件所構成，不論重量、體積皆相當輕巧，相當符 合現今市場需求。 一综上所陳，本發明無論就目的、手段及功效，在在均 ^、丁八迥井於習知技術之特徵，為「投影顯示裝置」之一 大大破，懇凊貴審查委員明察，早曰賜准專利，俾嘉惠 社會，實感德便。惟應注意的是，上述諸多實施例僅係為 了便於説明而舉例而已，本發明所主張之權利範圍自應以 申請專利範圍所述為準，而非僅限於上述實施例。 【五、圖式簡單説明】 圖1係本發明投影顯示裝置較佳例示意圖。 110光源（Xe燈泡）120彩色轉輪 140繞射鏡片組 150 LCOS微顯示器 本紙張尺度適用中國國家標準（CNS) A4規格（210X297公釐） 10 (請先閲讀背面之注意事項再填寫本頁各櫚) 裝 -----訂-------- 丨#· 580591 A7 B7 五、發明説明（6 ) 160偏振光分離器170凸透鏡 180凸透鏡 (PBS) 參 (請先閲讀背面之注意事項再填寫本頁各欄) IJ1A^V · i I ί ^ ^ · 1^— —ϋ i^i ϋ n ϋ— n 0¾ 、τ 1% 本紙張尺度適用中國國家標準（CNS) A4規格（210X297公釐）580591 V. Description of the invention (2) The main purpose of the present invention is to provide a projection display device, which can effectively enlarge the image provided by the microdisplay, reduce the loss of light scattering in the path of the projection light, and greatly reduce the weight of the projection device. And volume, suitable for various occasions. In order to achieve the above-mentioned object, the present invention relates to a projection display device, mainly including:-a light source to provide light; a focusing lens group, which is located at the side of the A light source to condense the light emitted by the light source; The diffractive lens group is located on one side of the focusing lens group, so that the focusing lens group is located between the light source and the child diffractive lens group, so as to increase the 2 luminance angle of the light transmitted from the focusing lens ancestor; a display unit Is located on the other side of the diffractive lens group, so that the diffractive lens group is located between the focusing lens group and the display unit, and the display unit is not located between the focusing lens group and the diffractive lens group On a straight line,, = accepts the light emitted by the light source and provides an image; a polarized light separation (PBS) is kept in the space surrounded by the display unit and the diffractive mirror group to emit the light from the light source The light from the light source is reflected to the display unit and penetrates the light emitted by the Tibetan display π single table; and a refraction lens group is used to deflect and magnify the image provided by the Tibetan display π single table; Tibetan focusing lens group focus It passes through the diffractive lens group, and then travels to the polarized light splitter, and is reflected by the polarized light splitter to the display unit, and the light provided by Zhuo Xian no earlier than 7L passes through the polarized light splitter to reach The refraction mirror is converted into a magnified real image through a chirped refraction lens group. The above display unit is a micro-flat display. Detailed description of the present invention * Installation --------- Order ·-(Please read the notes on the back before filling in the columns on this page) 580591 A7 _______ B7 V. Description of the invention (3) Type of light source of the present invention No limit, preferably * LED, car bulb or Xe bulb. The focusing lens group of the present invention mainly concentrates the light emitted from the light source, and its type is limited, preferably a focusing lens. The function of the diffractive lens group of the present invention is mainly to increase the half-brightness angle of the light, so that The light can be converted into parallel light, preferably including a horizontal diffractive lens and a vertical diffractive lens. The type of the display unit of the present invention is not limited, and a preferred micro-planar display is more preferably an HTPS micro-display, a B (0: 3 micro-display, or a DMD micro-display. The refractive lens unit of the present invention is used to enlarge the micro-display π device. The provided image preferably includes at least one convex lens, and more preferably includes at least one convex lens and a magnifying lens; the function of the convex lens is to enlarge the image and form an enlarged real image behind the lens, so its number is not limited. If the magnification is A, then the η convex lenses can reach a magnification of a η. In order to reflect the light from the light source and allow light from the display to pass through, the polarized light separator of the present invention forms an angle X with the display unit. The X 値 is between 0 degrees and 90 degrees, and the polarized light separator also forms an angle γ with the refractive unit, the γ 値 is between 0 degrees and 90 degrees, and the X 値 and the Υ 値 A better total is 45 degrees. The present invention may optionally include a color wheel (c ο 1 or whe e 1), located between the light source and the focusing lens group, to provide the colors required for the image. Fourth, implementation In order to allow your reviewers to better understand the technical content of the present invention, a preferred embodiment will be described below. 8 This paper size applies the Chinese National Standard (CNS) A4 specification (210X297). 580591 κ _____ ^ Β7 5 1. Description of the invention (4) Please refer to FIG. 1. FIG. 1 is a schematic diagram of a preferred embodiment of the projection display device of the present invention. This embodiment includes an L-shaped housing 100, a light source (χ ^ bulb) 1 10, and a color. Wheel 1 2 0, a focusing lens group 130, a diffractive lens group 140, an LCOS micro display 150, a PBS 160, a plurality of convex lenses 170 (refractive lens group), and a magnifying lens 8 8 ( Convex lens); the above-mentioned diffractive lens group includes a vertical diffractive film and a horizontal diffractive film. The color wheel 12 is between the light source 1 1 0 and the focusing lens group 3 0. The focusing lens group 130 is between the color wheel 120 and the diffractive lens group 140. The LC 0S micro-display 150 series is located between the light source 1 110 and the diffractive lens group 140. A straight vertical line is formed, and the space surrounded by the diffractive mirror group 14 and the display 150 is placed in the center A pbs 160, based on the display 150, the PB S160 is placed at a 45-degree angle to provide a good light splitting function. A plurality of convex lenses 170 are disposed at an appropriate distance above the PBS 160, and are positioned right at the opening of the housing 100 There is a convex lens 18. The light emitted by the light source 110 is transmitted through the focusing lens 314 to the diffractive lens group 140, and all the light is adjusted to a horizontal light by the diffractive lens group 140 and transmitted to the PBS 160. Reflected by the PBS 160 onto the micro display 150, and the light reflected by the micro display 150 penetrates the PBS 160, forms a magnified real image through a plurality of convex lenses 170 and 180, and projects to the screen 1 9 on. As can be seen from the above, the present invention utilizes a good optical engine to effectively enlarge the image provided by the microdisplay. The optical engine mainly uses a convex lens to magnify the image. Therefore, a convex lens can be added according to the demand of magnification. This paper size applies the Chinese National Standard (CNS) A4 specification (210X297 mm) ----------- -丨 1 pack (please read the notes on the back before filling in this page 本页) ϋ ^^ 1 i ^ i ^^ 1, * 11 n HI I l ι_ϋ, one one Φ 丨 # Describe 100L-type housing 130 focusing lens group V. Description of the invention (5), and use the light of the lens to add the lens and diffractive lens group, etc., to focus on the questions raised by the light source. At the same time, ', may Reduce the brightness often insufficient for image magnification & — Polarized light separator (PBS), separates the light source from the display and Ma Quanzheng, the enlarged image will not be affected by the background of the light source. The mouthfeel is quite good. And the invention can be equipped with a color wheel according to the used micro-suppression, with the original mono-micro, so that the original mono-micro display can produce color. In addition, the device of the invention only uses micro- Display, LED or Xe bulb, and several lenses. It is quite lightweight, regardless of weight and volume, and it is quite in line with the current market demand. In summary, the present invention, regardless of the purpose, means and effect, is well-known in the technical characteristics of Jun and Ding Ba, which is " One of the "projection display devices" has been greatly broken. Sincerely, your reviewing committee has clearly observed that early granting of patents, benefiting society, and real sense of virtue. However, it should be noted that many of the above embodiments are just examples for the sake of illustration. The scope of the rights claimed in the present invention shall be based on the scope of the patent application, not limited to the above embodiments. [V. Brief Description of the Drawings] FIG. 1 is a schematic diagram of a preferred example of the projection display device of the present invention. Xe bulb) 120 color wheel 140 diffractive lens group 150 LCOS micro-display This paper size is applicable to Chinese National Standard (CNS) A4 specification (210X297 mm) 10 (Please read the precautions on the back before filling in the palms on this page) ----- Order -------- 丨 # · 580591 A7 B7 V. Description of the invention (6) 160 polarized light separator 170 convex lens 180 convex lens (PBS) See (Please read the precautions on the back before filling Each page Column) IJ1A ^ V · i I ί ^ ^ · 1 ^ — —ϋ i ^ i ϋ n ϋ — n 0¾, τ 1% This paper size applies to China National Standard (CNS) A4 (210X297 mm)